summaryrefslogtreecommitdiffstats
path: root/drivers/clk/socfpga
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/clk/socfpga/Kconfig19
-rw-r--r--drivers/clk/socfpga/Makefile6
-rw-r--r--drivers/clk/socfpga/clk-agilex.c566
-rw-r--r--drivers/clk/socfpga/clk-gate-a10.c121
-rw-r--r--drivers/clk/socfpga/clk-gate-s10.c241
-rw-r--r--drivers/clk/socfpga/clk-gate.c223
-rw-r--r--drivers/clk/socfpga/clk-periph-a10.c133
-rw-r--r--drivers/clk/socfpga/clk-periph-s10.c216
-rw-r--r--drivers/clk/socfpga/clk-periph.c123
-rw-r--r--drivers/clk/socfpga/clk-pll-a10.c131
-rw-r--r--drivers/clk/socfpga/clk-pll-s10.c306
-rw-r--r--drivers/clk/socfpga/clk-pll.c135
-rw-r--r--drivers/clk/socfpga/clk-s10.c451
-rw-r--r--drivers/clk/socfpga/clk.c20
-rw-r--r--drivers/clk/socfpga/clk.h66
-rw-r--r--drivers/clk/socfpga/stratix10-clk.h92
16 files changed, 2849 insertions, 0 deletions
diff --git a/drivers/clk/socfpga/Kconfig b/drivers/clk/socfpga/Kconfig
new file mode 100644
index 0000000000..0cf16b894e
--- /dev/null
+++ b/drivers/clk/socfpga/Kconfig
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+config CLK_INTEL_SOCFPGA
+ bool "Intel SoCFPGA family clock support" if COMPILE_TEST && !ARCH_INTEL_SOCFPGA
+ default ARCH_INTEL_SOCFPGA
+ help
+ Support for the clock controllers present on Intel SoCFPGA and eASIC
+ devices like Aria, Cyclone, Stratix 10, Agilex and N5X eASIC.
+
+if CLK_INTEL_SOCFPGA
+
+config CLK_INTEL_SOCFPGA32
+ bool "Intel Aria / Cyclone clock controller support" if COMPILE_TEST && (!ARM || !ARCH_INTEL_SOCFPGA)
+ default ARM && ARCH_INTEL_SOCFPGA
+
+config CLK_INTEL_SOCFPGA64
+ bool "Intel Stratix / Agilex / N5X clock controller support" if COMPILE_TEST && (!ARM64 || !ARCH_INTEL_SOCFPGA)
+ default ARM64 && ARCH_INTEL_SOCFPGA
+
+endif # CLK_INTEL_SOCFPGA
diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile
new file mode 100644
index 0000000000..e8dfce339c
--- /dev/null
+++ b/drivers/clk/socfpga/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CLK_INTEL_SOCFPGA32) += clk.o clk-gate.o clk-pll.o clk-periph.o \
+ clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o
+obj-$(CONFIG_CLK_INTEL_SOCFPGA64) += clk-s10.o \
+ clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o \
+ clk-agilex.o
diff --git a/drivers/clk/socfpga/clk-agilex.c b/drivers/clk/socfpga/clk-agilex.c
new file mode 100644
index 0000000000..6b65a74aef
--- /dev/null
+++ b/drivers/clk/socfpga/clk-agilex.c
@@ -0,0 +1,566 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019, Intel Corporation
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+#include <dt-bindings/clock/agilex-clock.h>
+
+#include "stratix10-clk.h"
+
+static const struct clk_parent_data pll_mux[] = {
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data boot_mux[] = {
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+};
+
+static const struct clk_parent_data mpu_free_mux[] = {
+ { .fw_name = "main_pll_c0",
+ .name = "main_pll_c0", },
+ { .fw_name = "peri_pll_c0",
+ .name = "peri_pll_c0", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data noc_free_mux[] = {
+ { .fw_name = "main_pll_c1",
+ .name = "main_pll_c1", },
+ { .fw_name = "peri_pll_c1",
+ .name = "peri_pll_c1", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data emaca_free_mux[] = {
+ { .fw_name = "main_pll_c2",
+ .name = "main_pll_c2", },
+ { .fw_name = "peri_pll_c2",
+ .name = "peri_pll_c2", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data emacb_free_mux[] = {
+ { .fw_name = "main_pll_c3",
+ .name = "main_pll_c3", },
+ { .fw_name = "peri_pll_c3",
+ .name = "peri_pll_c3", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data emac_ptp_free_mux[] = {
+ { .fw_name = "main_pll_c3",
+ .name = "main_pll_c3", },
+ { .fw_name = "peri_pll_c3",
+ .name = "peri_pll_c3", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data gpio_db_free_mux[] = {
+ { .fw_name = "main_pll_c3",
+ .name = "main_pll_c3", },
+ { .fw_name = "peri_pll_c3",
+ .name = "peri_pll_c3", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data psi_ref_free_mux[] = {
+ { .fw_name = "main_pll_c2",
+ .name = "main_pll_c2", },
+ { .fw_name = "peri_pll_c2",
+ .name = "peri_pll_c2", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data sdmmc_free_mux[] = {
+ { .fw_name = "main_pll_c3",
+ .name = "main_pll_c3", },
+ { .fw_name = "peri_pll_c3",
+ .name = "peri_pll_c3", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data s2f_usr0_free_mux[] = {
+ { .fw_name = "main_pll_c2",
+ .name = "main_pll_c2", },
+ { .fw_name = "peri_pll_c2",
+ .name = "peri_pll_c2", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data s2f_usr1_free_mux[] = {
+ { .fw_name = "main_pll_c2",
+ .name = "main_pll_c2", },
+ { .fw_name = "peri_pll_c2",
+ .name = "peri_pll_c2", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data mpu_mux[] = {
+ { .fw_name = "mpu_free_clk",
+ .name = "mpu_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data emac_mux[] = {
+ { .fw_name = "emaca_free_clk",
+ .name = "emaca_free_clk", },
+ { .fw_name = "emacb_free_clk",
+ .name = "emacb_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data noc_mux[] = {
+ { .fw_name = "noc_free_clk",
+ .name = "noc_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data sdmmc_mux[] = {
+ { .fw_name = "sdmmc_free_clk",
+ .name = "sdmmc_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data s2f_user0_mux[] = {
+ { .fw_name = "s2f_user0_free_clk",
+ .name = "s2f_user0_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data s2f_user1_mux[] = {
+ { .fw_name = "s2f_user1_free_clk",
+ .name = "s2f_user1_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data psi_mux[] = {
+ { .fw_name = "psi_ref_free_clk",
+ .name = "psi_ref_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data gpio_db_mux[] = {
+ { .fw_name = "gpio_db_free_clk",
+ .name = "gpio_db_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data emac_ptp_mux[] = {
+ { .fw_name = "emac_ptp_free_clk",
+ .name = "emac_ptp_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+/* clocks in AO (always on) controller */
+static const struct stratix10_pll_clock agilex_pll_clks[] = {
+ { AGILEX_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0,
+ 0x0},
+ { AGILEX_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux),
+ 0, 0x48},
+ { AGILEX_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux),
+ 0, 0x9c},
+};
+
+static const struct n5x_perip_c_clock n5x_main_perip_c_clks[] = {
+ { AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x54, 0},
+ { AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x54, 8},
+ { AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x54, 16},
+ { AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x54, 24},
+ { AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xA8, 0},
+ { AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xA8, 8},
+ { AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xA8, 16},
+ { AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xA8, 24},
+};
+
+static const struct stratix10_perip_c_clock agilex_main_perip_c_clks[] = {
+ { AGILEX_MAIN_PLL_C0_CLK, "main_pll_c0", "main_pll", NULL, 1, 0, 0x58},
+ { AGILEX_MAIN_PLL_C1_CLK, "main_pll_c1", "main_pll", NULL, 1, 0, 0x5C},
+ { AGILEX_MAIN_PLL_C2_CLK, "main_pll_c2", "main_pll", NULL, 1, 0, 0x64},
+ { AGILEX_MAIN_PLL_C3_CLK, "main_pll_c3", "main_pll", NULL, 1, 0, 0x68},
+ { AGILEX_PERIPH_PLL_C0_CLK, "peri_pll_c0", "periph_pll", NULL, 1, 0, 0xAC},
+ { AGILEX_PERIPH_PLL_C1_CLK, "peri_pll_c1", "periph_pll", NULL, 1, 0, 0xB0},
+ { AGILEX_PERIPH_PLL_C2_CLK, "peri_pll_c2", "periph_pll", NULL, 1, 0, 0xB8},
+ { AGILEX_PERIPH_PLL_C3_CLK, "peri_pll_c3", "periph_pll", NULL, 1, 0, 0xBC},
+};
+
+static const struct stratix10_perip_cnt_clock agilex_main_perip_cnt_clks[] = {
+ { AGILEX_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux),
+ 0, 0x3C, 0, 0, 0},
+ { AGILEX_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux),
+ 0, 0x40, 0, 0, 0},
+ { AGILEX_L4_SYS_FREE_CLK, "l4_sys_free_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0,
+ 0, 4, 0x30, 1},
+ { AGILEX_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux),
+ 0, 0xD4, 0, 0x88, 0},
+ { AGILEX_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
+ 0, 0xD8, 0, 0x88, 1},
+ { AGILEX_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
+ ARRAY_SIZE(emac_ptp_free_mux), 0, 0xDC, 0, 0x88, 2},
+ { AGILEX_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
+ ARRAY_SIZE(gpio_db_free_mux), 0, 0xE0, 0, 0x88, 3},
+ { AGILEX_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux,
+ ARRAY_SIZE(sdmmc_free_mux), 0, 0xE4, 0, 0, 0},
+ { AGILEX_S2F_USER0_FREE_CLK, "s2f_user0_free_clk", NULL, s2f_usr0_free_mux,
+ ARRAY_SIZE(s2f_usr0_free_mux), 0, 0xE8, 0, 0x30, 2},
+ { AGILEX_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux,
+ ARRAY_SIZE(s2f_usr1_free_mux), 0, 0xEC, 0, 0x88, 5},
+ { AGILEX_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux,
+ ARRAY_SIZE(psi_ref_free_mux), 0, 0xF0, 0, 0x88, 6},
+};
+
+static const struct stratix10_gate_clock agilex_gate_clks[] = {
+ { AGILEX_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x24,
+ 0, 0, 0, 0, 0x30, 0, 0},
+ { AGILEX_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x24,
+ 0, 0, 0, 0, 0, 0, 4},
+ { AGILEX_MPU_CCU_CLK, "mpu_ccu_clk", "mpu_clk", NULL, 1, 0, 0x24,
+ 0, 0, 0, 0, 0, 0, 2},
+ { AGILEX_L4_MAIN_CLK, "l4_main_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
+ 1, 0x44, 0, 2, 0x30, 1, 0},
+ { AGILEX_L4_MP_CLK, "l4_mp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
+ 2, 0x44, 8, 2, 0x30, 1, 0},
+ /*
+ * The l4_sp_clk feeds a 100 MHz clock to various peripherals, one of them
+ * being the SP timers, thus cannot get gated.
+ */
+ { AGILEX_L4_SP_CLK, "l4_sp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), CLK_IS_CRITICAL, 0x24,
+ 3, 0x44, 16, 2, 0x30, 1, 0},
+ { AGILEX_CS_AT_CLK, "cs_at_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
+ 4, 0x44, 24, 2, 0x30, 1, 0},
+ { AGILEX_CS_TRACE_CLK, "cs_trace_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
+ 4, 0x44, 26, 2, 0x30, 1, 0},
+ { AGILEX_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x24,
+ 4, 0x44, 28, 1, 0, 0, 0},
+ { AGILEX_CS_TIMER_CLK, "cs_timer_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x24,
+ 5, 0, 0, 0, 0x30, 1, 0},
+ { AGILEX_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
+ 0, 0, 0, 0, 0x94, 26, 0},
+ { AGILEX_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
+ 1, 0, 0, 0, 0x94, 27, 0},
+ { AGILEX_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0x7C,
+ 2, 0, 0, 0, 0x94, 28, 0},
+ { AGILEX_EMAC_PTP_CLK, "emac_ptp_clk", NULL, emac_ptp_mux, ARRAY_SIZE(emac_ptp_mux), 0, 0x7C,
+ 3, 0, 0, 0, 0x88, 2, 0},
+ { AGILEX_GPIO_DB_CLK, "gpio_db_clk", NULL, gpio_db_mux, ARRAY_SIZE(gpio_db_mux), 0, 0x7C,
+ 4, 0x98, 0, 16, 0x88, 3, 0},
+ { AGILEX_SDMMC_CLK, "sdmmc_clk", NULL, sdmmc_mux, ARRAY_SIZE(sdmmc_mux), 0, 0x7C,
+ 5, 0, 0, 0, 0x88, 4, 4},
+ { AGILEX_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_user0_mux, ARRAY_SIZE(s2f_user0_mux), 0, 0x24,
+ 6, 0, 0, 0, 0x30, 2, 0},
+ { AGILEX_S2F_USER1_CLK, "s2f_user1_clk", NULL, s2f_user1_mux, ARRAY_SIZE(s2f_user1_mux), 0, 0x7C,
+ 6, 0, 0, 0, 0x88, 5, 0},
+ { AGILEX_PSI_REF_CLK, "psi_ref_clk", NULL, psi_mux, ARRAY_SIZE(psi_mux), 0, 0x7C,
+ 7, 0, 0, 0, 0x88, 6, 0},
+ { AGILEX_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
+ 8, 0, 0, 0, 0, 0, 0},
+ { AGILEX_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
+ 9, 0, 0, 0, 0, 0, 0},
+ { AGILEX_NAND_X_CLK, "nand_x_clk", "l4_mp_clk", NULL, 1, 0, 0x7C,
+ 10, 0, 0, 0, 0, 0, 0},
+ { AGILEX_NAND_CLK, "nand_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
+ 10, 0, 0, 0, 0, 0, 4},
+ { AGILEX_NAND_ECC_CLK, "nand_ecc_clk", "nand_x_clk", NULL, 1, 0, 0x7C,
+ 10, 0, 0, 0, 0, 0, 4},
+};
+
+static int n5x_clk_register_c_perip(const struct n5x_perip_c_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = n5x_register_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+ return 0;
+}
+
+static int agilex_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = s10_register_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+ return 0;
+}
+
+static int agilex_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = s10_register_cnt_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+
+ return 0;
+}
+
+static int agilex_clk_register_gate(const struct stratix10_gate_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = agilex_register_gate(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+
+ return 0;
+}
+
+static int agilex_clk_register_pll(const struct stratix10_pll_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = agilex_register_pll(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+
+ return 0;
+}
+
+static int n5x_clk_register_pll(const struct stratix10_pll_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = n5x_register_pll(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+
+ return 0;
+}
+
+static int agilex_clkmgr_init(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ struct stratix10_clock_data *clk_data;
+ void __iomem *base;
+ int i, num_clks;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ num_clks = AGILEX_NUM_CLKS;
+
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
+ num_clks), GFP_KERNEL);
+ if (!clk_data)
+ return -ENOMEM;
+
+ for (i = 0; i < num_clks; i++)
+ clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
+
+ clk_data->base = base;
+ clk_data->clk_data.num = num_clks;
+
+ agilex_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
+
+ agilex_clk_register_c_perip(agilex_main_perip_c_clks,
+ ARRAY_SIZE(agilex_main_perip_c_clks), clk_data);
+
+ agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
+ ARRAY_SIZE(agilex_main_perip_cnt_clks),
+ clk_data);
+
+ agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
+ clk_data);
+ of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
+ return 0;
+}
+
+static int n5x_clkmgr_init(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ struct stratix10_clock_data *clk_data;
+ void __iomem *base;
+ int i, num_clks;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ num_clks = AGILEX_NUM_CLKS;
+
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
+ num_clks), GFP_KERNEL);
+ if (!clk_data)
+ return -ENOMEM;
+
+ for (i = 0; i < num_clks; i++)
+ clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
+
+ clk_data->base = base;
+ clk_data->clk_data.num = num_clks;
+
+ n5x_clk_register_pll(agilex_pll_clks, ARRAY_SIZE(agilex_pll_clks), clk_data);
+
+ n5x_clk_register_c_perip(n5x_main_perip_c_clks,
+ ARRAY_SIZE(n5x_main_perip_c_clks), clk_data);
+
+ agilex_clk_register_cnt_perip(agilex_main_perip_cnt_clks,
+ ARRAY_SIZE(agilex_main_perip_cnt_clks),
+ clk_data);
+
+ agilex_clk_register_gate(agilex_gate_clks, ARRAY_SIZE(agilex_gate_clks),
+ clk_data);
+ of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
+ return 0;
+}
+
+static int agilex_clkmgr_probe(struct platform_device *pdev)
+{
+ int (*probe_func)(struct platform_device *init_func);
+
+ probe_func = of_device_get_match_data(&pdev->dev);
+ if (!probe_func)
+ return -ENODEV;
+ return probe_func(pdev);
+}
+
+static const struct of_device_id agilex_clkmgr_match_table[] = {
+ { .compatible = "intel,agilex-clkmgr",
+ .data = agilex_clkmgr_init },
+ { .compatible = "intel,easic-n5x-clkmgr",
+ .data = n5x_clkmgr_init },
+ { }
+};
+
+static struct platform_driver agilex_clkmgr_driver = {
+ .probe = agilex_clkmgr_probe,
+ .driver = {
+ .name = "agilex-clkmgr",
+ .suppress_bind_attrs = true,
+ .of_match_table = agilex_clkmgr_match_table,
+ },
+};
+
+static int __init agilex_clk_init(void)
+{
+ return platform_driver_register(&agilex_clkmgr_driver);
+}
+core_initcall(agilex_clk_init);
diff --git a/drivers/clk/socfpga/clk-gate-a10.c b/drivers/clk/socfpga/clk-gate-a10.c
new file mode 100644
index 0000000000..06f129c160
--- /dev/null
+++ b/drivers/clk/socfpga/clk-gate-a10.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 Altera Corporation. All rights reserved
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#include "clk.h"
+
+#define streq(a, b) (strcmp((a), (b)) == 0)
+
+#define to_socfpga_gate_clk(p) container_of(p, struct socfpga_gate_clk, hw.hw)
+
+/* SDMMC Group for System Manager defines */
+#define SYSMGR_SDMMCGRP_CTRL_OFFSET 0x28
+
+static unsigned long socfpga_gate_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
+ u32 div = 1, val;
+
+ if (socfpgaclk->fixed_div)
+ div = socfpgaclk->fixed_div;
+ else if (socfpgaclk->div_reg) {
+ val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
+ val &= GENMASK(socfpgaclk->width - 1, 0);
+ div = (1 << val);
+ }
+
+ return parent_rate / div;
+}
+
+static struct clk_ops gateclk_ops = {
+ .recalc_rate = socfpga_gate_clk_recalc_rate,
+};
+
+static void __init __socfpga_gate_init(struct device_node *node,
+ const struct clk_ops *ops)
+{
+ u32 clk_gate[2];
+ u32 div_reg[3];
+ u32 fixed_div;
+ struct clk_hw *hw_clk;
+ struct socfpga_gate_clk *socfpga_clk;
+ const char *clk_name = node->name;
+ const char *parent_name[SOCFPGA_MAX_PARENTS];
+ struct clk_init_data init;
+ int rc;
+
+ socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
+ if (WARN_ON(!socfpga_clk))
+ return;
+
+ rc = of_property_read_u32_array(node, "clk-gate", clk_gate, 2);
+ if (rc)
+ clk_gate[0] = 0;
+
+ if (clk_gate[0]) {
+ socfpga_clk->hw.reg = clk_mgr_a10_base_addr + clk_gate[0];
+ socfpga_clk->hw.bit_idx = clk_gate[1];
+
+ gateclk_ops.enable = clk_gate_ops.enable;
+ gateclk_ops.disable = clk_gate_ops.disable;
+ }
+
+ rc = of_property_read_u32(node, "fixed-divider", &fixed_div);
+ if (rc)
+ socfpga_clk->fixed_div = 0;
+ else
+ socfpga_clk->fixed_div = fixed_div;
+
+ rc = of_property_read_u32_array(node, "div-reg", div_reg, 3);
+ if (!rc) {
+ socfpga_clk->div_reg = clk_mgr_a10_base_addr + div_reg[0];
+ socfpga_clk->shift = div_reg[1];
+ socfpga_clk->width = div_reg[2];
+ } else {
+ socfpga_clk->div_reg = NULL;
+ }
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = 0;
+
+ init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
+ init.parent_names = parent_name;
+ socfpga_clk->hw.hw.init = &init;
+ hw_clk = &socfpga_clk->hw.hw;
+
+ rc = clk_hw_register(NULL, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock:%s\n", clk_name);
+ goto err_clk_hw_register;
+ }
+
+ rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock provider for node:%s\n",
+ clk_name);
+ goto err_of_clk_add_hw_provider;
+ }
+
+ return;
+
+err_of_clk_add_hw_provider:
+ clk_hw_unregister(hw_clk);
+err_clk_hw_register:
+ kfree(socfpga_clk);
+}
+
+void __init socfpga_a10_gate_init(struct device_node *node)
+{
+ __socfpga_gate_init(node, &gateclk_ops);
+}
diff --git a/drivers/clk/socfpga/clk-gate-s10.c b/drivers/clk/socfpga/clk-gate-s10.c
new file mode 100644
index 0000000000..3930d922ef
--- /dev/null
+++ b/drivers/clk/socfpga/clk-gate-s10.c
@@ -0,0 +1,241 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017, Intel Corporation
+ */
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/slab.h>
+#include "stratix10-clk.h"
+#include "clk.h"
+
+#define SOCFPGA_CS_PDBG_CLK "cs_pdbg_clk"
+#define to_socfpga_gate_clk(p) container_of(p, struct socfpga_gate_clk, hw.hw)
+
+#define SOCFPGA_EMAC0_CLK "emac0_clk"
+#define SOCFPGA_EMAC1_CLK "emac1_clk"
+#define SOCFPGA_EMAC2_CLK "emac2_clk"
+#define AGILEX_BYPASS_OFFSET 0xC
+#define STRATIX10_BYPASS_OFFSET 0x2C
+#define BOOTCLK_BYPASS 2
+
+static unsigned long socfpga_gate_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
+ u32 div = 1, val;
+
+ if (socfpgaclk->fixed_div) {
+ div = socfpgaclk->fixed_div;
+ } else if (socfpgaclk->div_reg) {
+ val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
+ val &= GENMASK(socfpgaclk->width - 1, 0);
+ div = (1 << val);
+ }
+ return parent_rate / div;
+}
+
+static unsigned long socfpga_dbg_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
+ u32 div, val;
+
+ val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
+ val &= GENMASK(socfpgaclk->width - 1, 0);
+ div = (1 << val);
+ div = div ? 4 : 1;
+
+ return parent_rate / div;
+}
+
+static u8 socfpga_gate_get_parent(struct clk_hw *hwclk)
+{
+ struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
+ u32 mask, second_bypass;
+ u8 parent = 0;
+ const char *name = clk_hw_get_name(hwclk);
+
+ if (socfpgaclk->bypass_reg) {
+ mask = (0x1 << socfpgaclk->bypass_shift);
+ parent = ((readl(socfpgaclk->bypass_reg) & mask) >>
+ socfpgaclk->bypass_shift);
+ }
+
+ if (streq(name, SOCFPGA_EMAC0_CLK) ||
+ streq(name, SOCFPGA_EMAC1_CLK) ||
+ streq(name, SOCFPGA_EMAC2_CLK)) {
+ second_bypass = readl(socfpgaclk->bypass_reg -
+ STRATIX10_BYPASS_OFFSET);
+ /* EMACA bypass to bootclk @0xB0 offset */
+ if (second_bypass & 0x1)
+ if (parent == 0) /* only applicable if parent is maca */
+ parent = BOOTCLK_BYPASS;
+
+ if (second_bypass & 0x2)
+ if (parent == 1) /* only applicable if parent is macb */
+ parent = BOOTCLK_BYPASS;
+ }
+ return parent;
+}
+
+static u8 socfpga_agilex_gate_get_parent(struct clk_hw *hwclk)
+{
+ struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
+ u32 mask, second_bypass;
+ u8 parent = 0;
+ const char *name = clk_hw_get_name(hwclk);
+
+ if (socfpgaclk->bypass_reg) {
+ mask = (0x1 << socfpgaclk->bypass_shift);
+ parent = ((readl(socfpgaclk->bypass_reg) & mask) >>
+ socfpgaclk->bypass_shift);
+ }
+
+ if (streq(name, SOCFPGA_EMAC0_CLK) ||
+ streq(name, SOCFPGA_EMAC1_CLK) ||
+ streq(name, SOCFPGA_EMAC2_CLK)) {
+ second_bypass = readl(socfpgaclk->bypass_reg -
+ AGILEX_BYPASS_OFFSET);
+ /* EMACA bypass to bootclk @0x88 offset */
+ if (second_bypass & 0x1)
+ if (parent == 0) /* only applicable if parent is maca */
+ parent = BOOTCLK_BYPASS;
+
+ if (second_bypass & 0x2)
+ if (parent == 1) /* only applicable if parent is macb */
+ parent = BOOTCLK_BYPASS;
+ }
+
+ return parent;
+}
+
+static struct clk_ops gateclk_ops = {
+ .recalc_rate = socfpga_gate_clk_recalc_rate,
+ .get_parent = socfpga_gate_get_parent,
+};
+
+static const struct clk_ops agilex_gateclk_ops = {
+ .recalc_rate = socfpga_gate_clk_recalc_rate,
+ .get_parent = socfpga_agilex_gate_get_parent,
+};
+
+static const struct clk_ops dbgclk_ops = {
+ .recalc_rate = socfpga_dbg_clk_recalc_rate,
+ .get_parent = socfpga_gate_get_parent,
+};
+
+struct clk_hw *s10_register_gate(const struct stratix10_gate_clock *clks, void __iomem *regbase)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_gate_clk *socfpga_clk;
+ struct clk_init_data init;
+ const char *parent_name = clks->parent_name;
+ int ret;
+
+ socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
+ if (!socfpga_clk)
+ return NULL;
+
+ socfpga_clk->hw.reg = regbase + clks->gate_reg;
+ socfpga_clk->hw.bit_idx = clks->gate_idx;
+
+ gateclk_ops.enable = clk_gate_ops.enable;
+ gateclk_ops.disable = clk_gate_ops.disable;
+
+ socfpga_clk->fixed_div = clks->fixed_div;
+
+ if (clks->div_reg)
+ socfpga_clk->div_reg = regbase + clks->div_reg;
+ else
+ socfpga_clk->div_reg = NULL;
+
+ socfpga_clk->width = clks->div_width;
+ socfpga_clk->shift = clks->div_offset;
+
+ if (clks->bypass_reg)
+ socfpga_clk->bypass_reg = regbase + clks->bypass_reg;
+ else
+ socfpga_clk->bypass_reg = NULL;
+ socfpga_clk->bypass_shift = clks->bypass_shift;
+
+ if (streq(clks->name, "cs_pdbg_clk"))
+ init.ops = &dbgclk_ops;
+ else
+ init.ops = &gateclk_ops;
+
+ init.name = clks->name;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ if (init.parent_names == NULL)
+ init.parent_data = clks->parent_data;
+ socfpga_clk->hw.hw.init = &init;
+
+ hw_clk = &socfpga_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, &socfpga_clk->hw.hw);
+ if (ret) {
+ kfree(socfpga_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
+
+struct clk_hw *agilex_register_gate(const struct stratix10_gate_clock *clks, void __iomem *regbase)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_gate_clk *socfpga_clk;
+ struct clk_init_data init;
+ const char *parent_name = clks->parent_name;
+ int ret;
+
+ socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
+ if (!socfpga_clk)
+ return NULL;
+
+ socfpga_clk->hw.reg = regbase + clks->gate_reg;
+ socfpga_clk->hw.bit_idx = clks->gate_idx;
+
+ gateclk_ops.enable = clk_gate_ops.enable;
+ gateclk_ops.disable = clk_gate_ops.disable;
+
+ socfpga_clk->fixed_div = clks->fixed_div;
+
+ if (clks->div_reg)
+ socfpga_clk->div_reg = regbase + clks->div_reg;
+ else
+ socfpga_clk->div_reg = NULL;
+
+ socfpga_clk->width = clks->div_width;
+ socfpga_clk->shift = clks->div_offset;
+
+ if (clks->bypass_reg)
+ socfpga_clk->bypass_reg = regbase + clks->bypass_reg;
+ else
+ socfpga_clk->bypass_reg = NULL;
+ socfpga_clk->bypass_shift = clks->bypass_shift;
+
+ if (streq(clks->name, "cs_pdbg_clk"))
+ init.ops = &dbgclk_ops;
+ else
+ init.ops = &agilex_gateclk_ops;
+
+ init.name = clks->name;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ if (init.parent_names == NULL)
+ init.parent_data = clks->parent_data;
+ socfpga_clk->hw.hw.init = &init;
+
+ hw_clk = &socfpga_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, &socfpga_clk->hw.hw);
+ if (ret) {
+ kfree(socfpga_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c
new file mode 100644
index 0000000000..0a5a95e026
--- /dev/null
+++ b/drivers/clk/socfpga/clk-gate.c
@@ -0,0 +1,223 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ * Copyright (C) 2012-2013 Altera Corporation <www.altera.com>
+ *
+ * Based from clk-highbank.c
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+
+#include "clk.h"
+
+#define SOCFPGA_L4_MP_CLK "l4_mp_clk"
+#define SOCFPGA_L4_SP_CLK "l4_sp_clk"
+#define SOCFPGA_NAND_CLK "nand_clk"
+#define SOCFPGA_NAND_X_CLK "nand_x_clk"
+#define SOCFPGA_MMC_CLK "sdmmc_clk"
+#define SOCFPGA_GPIO_DB_CLK_OFFSET 0xA8
+
+#define to_socfpga_gate_clk(p) container_of(p, struct socfpga_gate_clk, hw.hw)
+
+/* SDMMC Group for System Manager defines */
+#define SYSMGR_SDMMCGRP_CTRL_OFFSET 0x108
+
+static u8 socfpga_clk_get_parent(struct clk_hw *hwclk)
+{
+ u32 l4_src;
+ u32 perpll_src;
+ const char *name = clk_hw_get_name(hwclk);
+
+ if (streq(name, SOCFPGA_L4_MP_CLK)) {
+ l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ return l4_src & 0x1;
+ }
+ if (streq(name, SOCFPGA_L4_SP_CLK)) {
+ l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ return !!(l4_src & 2);
+ }
+
+ perpll_src = readl(clk_mgr_base_addr + CLKMGR_PERPLL_SRC);
+ if (streq(name, SOCFPGA_MMC_CLK))
+ return perpll_src & 0x3;
+ if (streq(name, SOCFPGA_NAND_CLK) ||
+ streq(name, SOCFPGA_NAND_X_CLK))
+ return (perpll_src >> 2) & 3;
+
+ /* QSPI clock */
+ return (perpll_src >> 4) & 3;
+
+}
+
+static int socfpga_clk_set_parent(struct clk_hw *hwclk, u8 parent)
+{
+ u32 src_reg;
+ const char *name = clk_hw_get_name(hwclk);
+
+ if (streq(name, SOCFPGA_L4_MP_CLK)) {
+ src_reg = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ src_reg &= ~0x1;
+ src_reg |= parent;
+ writel(src_reg, clk_mgr_base_addr + CLKMGR_L4SRC);
+ } else if (streq(name, SOCFPGA_L4_SP_CLK)) {
+ src_reg = readl(clk_mgr_base_addr + CLKMGR_L4SRC);
+ src_reg &= ~0x2;
+ src_reg |= (parent << 1);
+ writel(src_reg, clk_mgr_base_addr + CLKMGR_L4SRC);
+ } else {
+ src_reg = readl(clk_mgr_base_addr + CLKMGR_PERPLL_SRC);
+ if (streq(name, SOCFPGA_MMC_CLK)) {
+ src_reg &= ~0x3;
+ src_reg |= parent;
+ } else if (streq(name, SOCFPGA_NAND_CLK) ||
+ streq(name, SOCFPGA_NAND_X_CLK)) {
+ src_reg &= ~0xC;
+ src_reg |= (parent << 2);
+ } else {/* QSPI clock */
+ src_reg &= ~0x30;
+ src_reg |= (parent << 4);
+ }
+ writel(src_reg, clk_mgr_base_addr + CLKMGR_PERPLL_SRC);
+ }
+
+ return 0;
+}
+
+static u32 socfpga_clk_get_div(struct socfpga_gate_clk *socfpgaclk)
+{
+ u32 div = 1, val;
+
+ if (socfpgaclk->fixed_div)
+ div = socfpgaclk->fixed_div;
+ else if (socfpgaclk->div_reg) {
+ val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
+ val &= GENMASK(socfpgaclk->width - 1, 0);
+ /* Check for GPIO_DB_CLK by its offset */
+ if ((uintptr_t) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET)
+ div = val + 1;
+ else
+ div = (1 << val);
+ }
+
+ return div;
+}
+
+static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
+ u32 div = socfpga_clk_get_div(socfpgaclk);
+
+ return parent_rate / div;
+}
+
+
+static int socfpga_clk_determine_rate(struct clk_hw *hwclk,
+ struct clk_rate_request *req)
+{
+ struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk);
+ u32 div = socfpga_clk_get_div(socfpgaclk);
+
+ req->rate = req->best_parent_rate / div;
+
+ return 0;
+}
+
+static struct clk_ops gateclk_ops = {
+ .recalc_rate = socfpga_clk_recalc_rate,
+ .determine_rate = socfpga_clk_determine_rate,
+ .get_parent = socfpga_clk_get_parent,
+ .set_parent = socfpga_clk_set_parent,
+};
+
+void __init socfpga_gate_init(struct device_node *node)
+{
+ u32 clk_gate[2];
+ u32 div_reg[3];
+ u32 fixed_div;
+ struct clk_hw *hw_clk;
+ struct socfpga_gate_clk *socfpga_clk;
+ const char *clk_name = node->name;
+ const char *parent_name[SOCFPGA_MAX_PARENTS];
+ struct clk_init_data init;
+ struct clk_ops *ops;
+ int rc;
+
+ socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
+ if (WARN_ON(!socfpga_clk))
+ return;
+
+ ops = kmemdup(&gateclk_ops, sizeof(gateclk_ops), GFP_KERNEL);
+ if (WARN_ON(!ops))
+ goto err_kmemdup;
+
+ rc = of_property_read_u32_array(node, "clk-gate", clk_gate, 2);
+ if (rc)
+ clk_gate[0] = 0;
+
+ if (clk_gate[0]) {
+ socfpga_clk->hw.reg = clk_mgr_base_addr + clk_gate[0];
+ socfpga_clk->hw.bit_idx = clk_gate[1];
+
+ ops->enable = clk_gate_ops.enable;
+ ops->disable = clk_gate_ops.disable;
+ }
+
+ rc = of_property_read_u32(node, "fixed-divider", &fixed_div);
+ if (rc)
+ socfpga_clk->fixed_div = 0;
+ else
+ socfpga_clk->fixed_div = fixed_div;
+
+ rc = of_property_read_u32_array(node, "div-reg", div_reg, 3);
+ if (!rc) {
+ socfpga_clk->div_reg = clk_mgr_base_addr + div_reg[0];
+ socfpga_clk->shift = div_reg[1];
+ socfpga_clk->width = div_reg[2];
+ } else {
+ socfpga_clk->div_reg = NULL;
+ }
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = 0;
+
+ init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
+ if (init.num_parents < 2) {
+ ops->get_parent = NULL;
+ ops->set_parent = NULL;
+ }
+
+ init.parent_names = parent_name;
+ socfpga_clk->hw.hw.init = &init;
+
+ hw_clk = &socfpga_clk->hw.hw;
+
+ rc = clk_hw_register(NULL, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock:%s\n", clk_name);
+ goto err_clk_hw_register;
+ }
+
+ rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock provider for node:%s\n",
+ clk_name);
+ goto err_of_clk_add_hw_provider;
+ }
+
+ return;
+
+err_of_clk_add_hw_provider:
+ clk_hw_unregister(hw_clk);
+err_clk_hw_register:
+ kfree(ops);
+err_kmemdup:
+ kfree(socfpga_clk);
+}
diff --git a/drivers/clk/socfpga/clk-periph-a10.c b/drivers/clk/socfpga/clk-periph-a10.c
new file mode 100644
index 0000000000..64cc70b970
--- /dev/null
+++ b/drivers/clk/socfpga/clk-periph-a10.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 Altera Corporation. All rights reserved
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+
+#include "clk.h"
+
+#define CLK_MGR_FREE_SHIFT 16
+#define CLK_MGR_FREE_MASK 0x7
+
+#define SOCFPGA_MPU_FREE_CLK "mpu_free_clk"
+#define SOCFPGA_NOC_FREE_CLK "noc_free_clk"
+#define SOCFPGA_SDMMC_FREE_CLK "sdmmc_free_clk"
+#define to_socfpga_periph_clk(p) container_of(p, struct socfpga_periph_clk, hw.hw)
+
+static unsigned long clk_periclk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_periph_clk *socfpgaclk = to_socfpga_periph_clk(hwclk);
+ u32 div;
+
+ if (socfpgaclk->fixed_div) {
+ div = socfpgaclk->fixed_div;
+ } else if (socfpgaclk->div_reg) {
+ div = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
+ div &= GENMASK(socfpgaclk->width - 1, 0);
+ div += 1;
+ } else {
+ div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1);
+ }
+
+ return parent_rate / div;
+}
+
+static u8 clk_periclk_get_parent(struct clk_hw *hwclk)
+{
+ struct socfpga_periph_clk *socfpgaclk = to_socfpga_periph_clk(hwclk);
+ u32 clk_src;
+ const char *name = clk_hw_get_name(hwclk);
+
+ clk_src = readl(socfpgaclk->hw.reg);
+ if (streq(name, SOCFPGA_MPU_FREE_CLK) ||
+ streq(name, SOCFPGA_NOC_FREE_CLK) ||
+ streq(name, SOCFPGA_SDMMC_FREE_CLK))
+ return (clk_src >> CLK_MGR_FREE_SHIFT) &
+ CLK_MGR_FREE_MASK;
+ else
+ return 0;
+}
+
+static const struct clk_ops periclk_ops = {
+ .recalc_rate = clk_periclk_recalc_rate,
+ .get_parent = clk_periclk_get_parent,
+};
+
+static void __init __socfpga_periph_init(struct device_node *node,
+ const struct clk_ops *ops)
+{
+ u32 reg;
+ struct clk_hw *hw_clk;
+ struct socfpga_periph_clk *periph_clk;
+ const char *clk_name = node->name;
+ const char *parent_name[SOCFPGA_MAX_PARENTS];
+ struct clk_init_data init;
+ int rc;
+ u32 fixed_div;
+ u32 div_reg[3];
+
+ of_property_read_u32(node, "reg", &reg);
+
+ periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
+ if (WARN_ON(!periph_clk))
+ return;
+
+ periph_clk->hw.reg = clk_mgr_a10_base_addr + reg;
+
+ rc = of_property_read_u32_array(node, "div-reg", div_reg, 3);
+ if (!rc) {
+ periph_clk->div_reg = clk_mgr_a10_base_addr + div_reg[0];
+ periph_clk->shift = div_reg[1];
+ periph_clk->width = div_reg[2];
+ } else {
+ periph_clk->div_reg = NULL;
+ }
+
+ rc = of_property_read_u32(node, "fixed-divider", &fixed_div);
+ if (rc)
+ periph_clk->fixed_div = 0;
+ else
+ periph_clk->fixed_div = fixed_div;
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = 0;
+
+ init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
+ init.parent_names = parent_name;
+
+ periph_clk->hw.hw.init = &init;
+
+ hw_clk = &periph_clk->hw.hw;
+
+ rc = clk_hw_register(NULL, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock:%s\n", clk_name);
+ goto err_clk_hw_register;
+ }
+
+ rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock provider for node:%s\n",
+ clk_name);
+ goto err_of_clk_add_hw_provider;
+ }
+
+ return;
+
+err_of_clk_add_hw_provider:
+ clk_hw_unregister(hw_clk);
+err_clk_hw_register:
+ kfree(periph_clk);
+}
+
+void __init socfpga_a10_periph_init(struct device_node *node)
+{
+ __socfpga_periph_init(node, &periclk_ops);
+}
diff --git a/drivers/clk/socfpga/clk-periph-s10.c b/drivers/clk/socfpga/clk-periph-s10.c
new file mode 100644
index 0000000000..f5c1ca42b6
--- /dev/null
+++ b/drivers/clk/socfpga/clk-periph-s10.c
@@ -0,0 +1,216 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017, Intel Corporation
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+
+#include "stratix10-clk.h"
+#include "clk.h"
+
+#define CLK_MGR_FREE_SHIFT 16
+#define CLK_MGR_FREE_MASK 0x7
+#define SWCTRLBTCLKSEN_SHIFT 8
+
+#define to_periph_clk(p) container_of(p, struct socfpga_periph_clk, hw.hw)
+
+static unsigned long n5x_clk_peri_c_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_periph_clk *socfpgaclk = to_periph_clk(hwclk);
+ unsigned long div;
+ unsigned long shift = socfpgaclk->shift;
+ u32 val;
+
+ val = readl(socfpgaclk->hw.reg);
+ val &= (0x1f << shift);
+ div = (val >> shift) + 1;
+
+ return parent_rate / div;
+}
+
+static unsigned long clk_peri_c_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_periph_clk *socfpgaclk = to_periph_clk(hwclk);
+ unsigned long div = 1;
+ u32 val;
+
+ val = readl(socfpgaclk->hw.reg);
+ val &= GENMASK(SWCTRLBTCLKSEN_SHIFT - 1, 0);
+ parent_rate /= val;
+
+ return parent_rate / div;
+}
+
+static unsigned long clk_peri_cnt_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_periph_clk *socfpgaclk = to_periph_clk(hwclk);
+ unsigned long div = 1;
+
+ if (socfpgaclk->fixed_div) {
+ div = socfpgaclk->fixed_div;
+ } else {
+ if (socfpgaclk->hw.reg)
+ div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1);
+ }
+
+ return parent_rate / div;
+}
+
+static u8 clk_periclk_get_parent(struct clk_hw *hwclk)
+{
+ struct socfpga_periph_clk *socfpgaclk = to_periph_clk(hwclk);
+ u32 clk_src, mask;
+ u8 parent = 0;
+
+ /* handle the bypass first */
+ if (socfpgaclk->bypass_reg) {
+ mask = (0x1 << socfpgaclk->bypass_shift);
+ parent = ((readl(socfpgaclk->bypass_reg) & mask) >>
+ socfpgaclk->bypass_shift);
+ if (parent)
+ return parent;
+ }
+
+ if (socfpgaclk->hw.reg) {
+ clk_src = readl(socfpgaclk->hw.reg);
+ parent = (clk_src >> CLK_MGR_FREE_SHIFT) &
+ CLK_MGR_FREE_MASK;
+ }
+ return parent;
+}
+
+static const struct clk_ops n5x_peri_c_clk_ops = {
+ .recalc_rate = n5x_clk_peri_c_clk_recalc_rate,
+ .get_parent = clk_periclk_get_parent,
+};
+
+static const struct clk_ops peri_c_clk_ops = {
+ .recalc_rate = clk_peri_c_clk_recalc_rate,
+ .get_parent = clk_periclk_get_parent,
+};
+
+static const struct clk_ops peri_cnt_clk_ops = {
+ .recalc_rate = clk_peri_cnt_clk_recalc_rate,
+ .get_parent = clk_periclk_get_parent,
+};
+
+struct clk_hw *s10_register_periph(const struct stratix10_perip_c_clock *clks,
+ void __iomem *reg)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_periph_clk *periph_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ const char *parent_name = clks->parent_name;
+ int ret;
+
+ periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
+ if (WARN_ON(!periph_clk))
+ return NULL;
+
+ periph_clk->hw.reg = reg + clks->offset;
+
+ init.name = name;
+ init.ops = &peri_c_clk_ops;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ if (init.parent_names == NULL)
+ init.parent_data = clks->parent_data;
+
+ periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(periph_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
+
+struct clk_hw *n5x_register_periph(const struct n5x_perip_c_clock *clks,
+ void __iomem *regbase)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_periph_clk *periph_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ const char *parent_name = clks->parent_name;
+ int ret;
+
+ periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
+ if (WARN_ON(!periph_clk))
+ return NULL;
+
+ periph_clk->hw.reg = regbase + clks->offset;
+ periph_clk->shift = clks->shift;
+
+ init.name = name;
+ init.ops = &n5x_peri_c_clk_ops;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = parent_name ? &parent_name : NULL;
+
+ periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(periph_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
+
+struct clk_hw *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks,
+ void __iomem *regbase)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_periph_clk *periph_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ const char *parent_name = clks->parent_name;
+ int ret;
+
+ periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
+ if (WARN_ON(!periph_clk))
+ return NULL;
+
+ if (clks->offset)
+ periph_clk->hw.reg = regbase + clks->offset;
+ else
+ periph_clk->hw.reg = NULL;
+
+ if (clks->bypass_reg)
+ periph_clk->bypass_reg = regbase + clks->bypass_reg;
+ else
+ periph_clk->bypass_reg = NULL;
+ periph_clk->bypass_shift = clks->bypass_shift;
+ periph_clk->fixed_div = clks->fixed_divider;
+
+ init.name = name;
+ init.ops = &peri_cnt_clk_ops;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ if (init.parent_names == NULL)
+ init.parent_data = clks->parent_data;
+
+ periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(periph_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
diff --git a/drivers/clk/socfpga/clk-periph.c b/drivers/clk/socfpga/clk-periph.c
new file mode 100644
index 0000000000..6a4075147b
--- /dev/null
+++ b/drivers/clk/socfpga/clk-periph.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ * Copyright (C) 2012-2013 Altera Corporation <www.altera.com>
+ *
+ * Based from clk-highbank.c
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+
+#include "clk.h"
+
+#define to_socfpga_periph_clk(p) container_of(p, struct socfpga_periph_clk, hw.hw)
+
+static unsigned long clk_periclk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_periph_clk *socfpgaclk = to_socfpga_periph_clk(hwclk);
+ u32 div, val;
+
+ if (socfpgaclk->fixed_div) {
+ div = socfpgaclk->fixed_div;
+ } else {
+ if (socfpgaclk->div_reg) {
+ val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
+ val &= GENMASK(socfpgaclk->width - 1, 0);
+ parent_rate /= (val + 1);
+ }
+ div = ((readl(socfpgaclk->hw.reg) & 0x1ff) + 1);
+ }
+
+ return parent_rate / div;
+}
+
+static u8 clk_periclk_get_parent(struct clk_hw *hwclk)
+{
+ u32 clk_src;
+
+ clk_src = readl(clk_mgr_base_addr + CLKMGR_DBCTRL);
+ return clk_src & 0x1;
+}
+
+static const struct clk_ops periclk_ops = {
+ .recalc_rate = clk_periclk_recalc_rate,
+ .get_parent = clk_periclk_get_parent,
+};
+
+static void __init __socfpga_periph_init(struct device_node *node,
+ const struct clk_ops *ops)
+{
+ u32 reg;
+ struct clk_hw *hw_clk;
+ struct socfpga_periph_clk *periph_clk;
+ const char *clk_name = node->name;
+ const char *parent_name[SOCFPGA_MAX_PARENTS];
+ struct clk_init_data init;
+ int rc;
+ u32 fixed_div;
+ u32 div_reg[3];
+
+ of_property_read_u32(node, "reg", &reg);
+
+ periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL);
+ if (WARN_ON(!periph_clk))
+ return;
+
+ periph_clk->hw.reg = clk_mgr_base_addr + reg;
+
+ rc = of_property_read_u32_array(node, "div-reg", div_reg, 3);
+ if (!rc) {
+ periph_clk->div_reg = clk_mgr_base_addr + div_reg[0];
+ periph_clk->shift = div_reg[1];
+ periph_clk->width = div_reg[2];
+ } else {
+ periph_clk->div_reg = NULL;
+ }
+
+ rc = of_property_read_u32(node, "fixed-divider", &fixed_div);
+ if (rc)
+ periph_clk->fixed_div = 0;
+ else
+ periph_clk->fixed_div = fixed_div;
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = 0;
+
+ init.num_parents = of_clk_parent_fill(node, parent_name,
+ SOCFPGA_MAX_PARENTS);
+ init.parent_names = parent_name;
+
+ periph_clk->hw.hw.init = &init;
+ hw_clk = &periph_clk->hw.hw;
+
+ rc = clk_hw_register(NULL, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock:%s\n", clk_name);
+ goto err_clk_hw_register;
+ }
+
+ rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock provider for node:%s\n",
+ clk_name);
+ goto err_of_clk_add_hw_provider;
+ }
+
+ return;
+
+err_of_clk_add_hw_provider:
+ clk_hw_unregister(hw_clk);
+err_clk_hw_register:
+ kfree(periph_clk);
+}
+
+void __init socfpga_periph_init(struct device_node *node)
+{
+ __socfpga_periph_init(node, &periclk_ops);
+}
diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c
new file mode 100644
index 0000000000..b028f25c65
--- /dev/null
+++ b/drivers/clk/socfpga/clk-pll-a10.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2015 Altera Corporation. All rights reserved
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "clk.h"
+
+/* Clock Manager offsets */
+#define CLK_MGR_PLL_CLK_SRC_SHIFT 8
+#define CLK_MGR_PLL_CLK_SRC_MASK 0x3
+
+/* Clock bypass bits */
+#define SOCFPGA_PLL_BG_PWRDWN 0
+#define SOCFPGA_PLL_PWR_DOWN 1
+#define SOCFPGA_PLL_EXT_ENA 2
+#define SOCFPGA_PLL_DIVF_MASK 0x00001FFF
+#define SOCFPGA_PLL_DIVF_SHIFT 0
+#define SOCFPGA_PLL_DIVQ_MASK 0x003F0000
+#define SOCFPGA_PLL_DIVQ_SHIFT 16
+#define SOCFGPA_MAX_PARENTS 5
+
+#define SOCFPGA_MAIN_PLL_CLK "main_pll"
+#define SOCFPGA_PERIP_PLL_CLK "periph_pll"
+
+#define to_socfpga_clk(p) container_of(p, struct socfpga_pll, hw.hw)
+
+void __iomem *clk_mgr_a10_base_addr;
+
+static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ unsigned long divf, divq, reg;
+ unsigned long long vco_freq;
+
+ /* read VCO1 reg for numerator and denominator */
+ reg = readl(socfpgaclk->hw.reg + 0x4);
+ divf = (reg & SOCFPGA_PLL_DIVF_MASK) >> SOCFPGA_PLL_DIVF_SHIFT;
+ divq = (reg & SOCFPGA_PLL_DIVQ_MASK) >> SOCFPGA_PLL_DIVQ_SHIFT;
+ vco_freq = (unsigned long long)parent_rate * (divf + 1);
+ do_div(vco_freq, (1 + divq));
+ return (unsigned long)vco_freq;
+}
+
+static u8 clk_pll_get_parent(struct clk_hw *hwclk)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ u32 pll_src;
+
+ pll_src = readl(socfpgaclk->hw.reg);
+
+ return (pll_src >> CLK_MGR_PLL_CLK_SRC_SHIFT) &
+ CLK_MGR_PLL_CLK_SRC_MASK;
+}
+
+static const struct clk_ops clk_pll_ops = {
+ .recalc_rate = clk_pll_recalc_rate,
+ .get_parent = clk_pll_get_parent,
+};
+
+static void __init __socfpga_pll_init(struct device_node *node,
+ const struct clk_ops *ops)
+{
+ u32 reg;
+ struct clk_hw *hw_clk;
+ struct socfpga_pll *pll_clk;
+ const char *clk_name = node->name;
+ const char *parent_name[SOCFGPA_MAX_PARENTS];
+ struct clk_init_data init;
+ struct device_node *clkmgr_np;
+ int rc;
+ int i = 0;
+
+ of_property_read_u32(node, "reg", &reg);
+
+ pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
+ if (WARN_ON(!pll_clk))
+ return;
+
+ clkmgr_np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr");
+ clk_mgr_a10_base_addr = of_iomap(clkmgr_np, 0);
+ of_node_put(clkmgr_np);
+ BUG_ON(!clk_mgr_a10_base_addr);
+ pll_clk->hw.reg = clk_mgr_a10_base_addr + reg;
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = 0;
+
+ while (i < SOCFGPA_MAX_PARENTS && (parent_name[i] =
+ of_clk_get_parent_name(node, i)) != NULL)
+ i++;
+ init.num_parents = i;
+ init.parent_names = parent_name;
+ pll_clk->hw.hw.init = &init;
+
+ pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA;
+ hw_clk = &pll_clk->hw.hw;
+
+ rc = clk_hw_register(NULL, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock:%s\n", clk_name);
+ goto err_clk_hw_register;
+ }
+
+ rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock provider for node:%s\n",
+ clk_name);
+ goto err_of_clk_add_hw_provider;
+ }
+
+ return;
+
+err_of_clk_add_hw_provider:
+ clk_hw_unregister(hw_clk);
+err_clk_hw_register:
+ kfree(pll_clk);
+}
+
+void __init socfpga_a10_pll_init(struct device_node *node)
+{
+ __socfpga_pll_init(node, &clk_pll_ops);
+}
diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c
new file mode 100644
index 0000000000..1d82737bef
--- /dev/null
+++ b/drivers/clk/socfpga/clk-pll-s10.c
@@ -0,0 +1,306 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017, Intel Corporation
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+
+#include "stratix10-clk.h"
+#include "clk.h"
+
+/* Clock Manager offsets */
+#define CLK_MGR_PLL_CLK_SRC_SHIFT 16
+#define CLK_MGR_PLL_CLK_SRC_MASK 0x3
+
+/* PLL Clock enable bits */
+#define SOCFPGA_PLL_POWER 0
+#define SOCFPGA_PLL_RESET_MASK 0x2
+#define SOCFPGA_PLL_REFDIV_MASK 0x00003F00
+#define SOCFPGA_PLL_REFDIV_SHIFT 8
+#define SOCFPGA_PLL_AREFDIV_MASK 0x00000F00
+#define SOCFPGA_PLL_DREFDIV_MASK 0x00003000
+#define SOCFPGA_PLL_DREFDIV_SHIFT 12
+#define SOCFPGA_PLL_MDIV_MASK 0xFF000000
+#define SOCFPGA_PLL_MDIV_SHIFT 24
+#define SOCFPGA_AGILEX_PLL_MDIV_MASK 0x000003FF
+#define SWCTRLBTCLKSEL_MASK 0x200
+#define SWCTRLBTCLKSEL_SHIFT 9
+
+#define SOCFPGA_N5X_PLLDIV_FDIV_MASK GENMASK(16, 8)
+#define SOCFPGA_N5X_PLLDIV_FDIV_SHIFT 8
+#define SOCFPGA_N5X_PLLDIV_RDIV_MASK GENMASK(5, 0)
+#define SOCFPGA_N5X_PLLDIV_QDIV_MASK GENMASK(26, 24)
+#define SOCFPGA_N5X_PLLDIV_QDIV_SHIFT 24
+
+#define SOCFPGA_BOOT_CLK "boot_clk"
+
+#define to_socfpga_clk(p) container_of(p, struct socfpga_pll, hw.hw)
+
+static unsigned long n5x_clk_pll_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ unsigned long fdiv, reg, rdiv, qdiv;
+ u32 power = 1;
+
+ /* read VCO1 reg for numerator and denominator */
+ reg = readl(socfpgaclk->hw.reg + 0x8);
+ fdiv = (reg & SOCFPGA_N5X_PLLDIV_FDIV_MASK) >> SOCFPGA_N5X_PLLDIV_FDIV_SHIFT;
+ rdiv = (reg & SOCFPGA_N5X_PLLDIV_RDIV_MASK);
+ qdiv = (reg & SOCFPGA_N5X_PLLDIV_QDIV_MASK) >> SOCFPGA_N5X_PLLDIV_QDIV_SHIFT;
+
+ while (qdiv) {
+ power *= 2;
+ qdiv--;
+ }
+
+ return ((parent_rate * 2 * (fdiv + 1)) / ((rdiv + 1) * power));
+}
+
+static unsigned long agilex_clk_pll_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ unsigned long arefdiv, reg, mdiv;
+ unsigned long long vco_freq;
+
+ /* read VCO1 reg for numerator and denominator */
+ reg = readl(socfpgaclk->hw.reg);
+ arefdiv = (reg & SOCFPGA_PLL_AREFDIV_MASK) >> SOCFPGA_PLL_REFDIV_SHIFT;
+
+ vco_freq = (unsigned long long)parent_rate / arefdiv;
+
+ /* Read mdiv and fdiv from the fdbck register */
+ reg = readl(socfpgaclk->hw.reg + 0x24);
+ mdiv = reg & SOCFPGA_AGILEX_PLL_MDIV_MASK;
+
+ vco_freq = (unsigned long long)vco_freq * mdiv;
+ return (unsigned long)vco_freq;
+}
+
+static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ unsigned long mdiv;
+ unsigned long refdiv;
+ unsigned long reg;
+ unsigned long long vco_freq;
+
+ /* read VCO1 reg for numerator and denominator */
+ reg = readl(socfpgaclk->hw.reg);
+ refdiv = (reg & SOCFPGA_PLL_REFDIV_MASK) >> SOCFPGA_PLL_REFDIV_SHIFT;
+
+ vco_freq = parent_rate;
+ do_div(vco_freq, refdiv);
+
+ /* Read mdiv and fdiv from the fdbck register */
+ reg = readl(socfpgaclk->hw.reg + 0x4);
+ mdiv = (reg & SOCFPGA_PLL_MDIV_MASK) >> SOCFPGA_PLL_MDIV_SHIFT;
+ vco_freq = (unsigned long long)vco_freq * (mdiv + 6);
+
+ return (unsigned long)vco_freq;
+}
+
+static unsigned long clk_boot_clk_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ u32 div;
+
+ div = ((readl(socfpgaclk->hw.reg) &
+ SWCTRLBTCLKSEL_MASK) >>
+ SWCTRLBTCLKSEL_SHIFT);
+ div += 1;
+ return parent_rate / div;
+}
+
+
+static u8 clk_pll_get_parent(struct clk_hw *hwclk)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ u32 pll_src;
+
+ pll_src = readl(socfpgaclk->hw.reg);
+ return (pll_src >> CLK_MGR_PLL_CLK_SRC_SHIFT) &
+ CLK_MGR_PLL_CLK_SRC_MASK;
+}
+
+static u8 clk_boot_get_parent(struct clk_hw *hwclk)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ u32 pll_src;
+
+ pll_src = readl(socfpgaclk->hw.reg);
+ return (pll_src >> SWCTRLBTCLKSEL_SHIFT) &
+ SWCTRLBTCLKSEL_MASK;
+}
+
+static int clk_pll_prepare(struct clk_hw *hwclk)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ u32 reg;
+
+ /* Bring PLL out of reset */
+ reg = readl(socfpgaclk->hw.reg);
+ reg |= SOCFPGA_PLL_RESET_MASK;
+ writel(reg, socfpgaclk->hw.reg);
+
+ return 0;
+}
+
+static int n5x_clk_pll_prepare(struct clk_hw *hwclk)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ u32 reg;
+
+ /* Bring PLL out of reset */
+ reg = readl(socfpgaclk->hw.reg + 0x4);
+ reg |= SOCFPGA_PLL_RESET_MASK;
+ writel(reg, socfpgaclk->hw.reg + 0x4);
+
+ return 0;
+}
+
+static const struct clk_ops n5x_clk_pll_ops = {
+ .recalc_rate = n5x_clk_pll_recalc_rate,
+ .get_parent = clk_pll_get_parent,
+ .prepare = n5x_clk_pll_prepare,
+};
+
+static const struct clk_ops agilex_clk_pll_ops = {
+ .recalc_rate = agilex_clk_pll_recalc_rate,
+ .get_parent = clk_pll_get_parent,
+ .prepare = clk_pll_prepare,
+};
+
+static const struct clk_ops clk_pll_ops = {
+ .recalc_rate = clk_pll_recalc_rate,
+ .get_parent = clk_pll_get_parent,
+ .prepare = clk_pll_prepare,
+};
+
+static const struct clk_ops clk_boot_ops = {
+ .recalc_rate = clk_boot_clk_recalc_rate,
+ .get_parent = clk_boot_get_parent,
+ .prepare = clk_pll_prepare,
+};
+
+struct clk_hw *s10_register_pll(const struct stratix10_pll_clock *clks,
+ void __iomem *reg)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_pll *pll_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ int ret;
+
+ pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
+ if (WARN_ON(!pll_clk))
+ return NULL;
+
+ pll_clk->hw.reg = reg + clks->offset;
+
+ if (streq(name, SOCFPGA_BOOT_CLK))
+ init.ops = &clk_boot_ops;
+ else
+ init.ops = &clk_pll_ops;
+
+ init.name = name;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = NULL;
+ init.parent_data = clks->parent_data;
+ pll_clk->hw.hw.init = &init;
+
+ pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
+
+ hw_clk = &pll_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(pll_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
+
+struct clk_hw *agilex_register_pll(const struct stratix10_pll_clock *clks,
+ void __iomem *reg)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_pll *pll_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ int ret;
+
+ pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
+ if (WARN_ON(!pll_clk))
+ return NULL;
+
+ pll_clk->hw.reg = reg + clks->offset;
+
+ if (streq(name, SOCFPGA_BOOT_CLK))
+ init.ops = &clk_boot_ops;
+ else
+ init.ops = &agilex_clk_pll_ops;
+
+ init.name = name;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = NULL;
+ init.parent_data = clks->parent_data;
+ pll_clk->hw.hw.init = &init;
+
+ pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
+ hw_clk = &pll_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(pll_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
+
+struct clk_hw *n5x_register_pll(const struct stratix10_pll_clock *clks,
+ void __iomem *reg)
+{
+ struct clk_hw *hw_clk;
+ struct socfpga_pll *pll_clk;
+ struct clk_init_data init;
+ const char *name = clks->name;
+ int ret;
+
+ pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
+ if (WARN_ON(!pll_clk))
+ return NULL;
+
+ pll_clk->hw.reg = reg + clks->offset;
+
+ if (streq(name, SOCFPGA_BOOT_CLK))
+ init.ops = &clk_boot_ops;
+ else
+ init.ops = &n5x_clk_pll_ops;
+
+ init.name = name;
+ init.flags = clks->flags;
+
+ init.num_parents = clks->num_parents;
+ init.parent_names = NULL;
+ init.parent_data = clks->parent_data;
+ pll_clk->hw.hw.init = &init;
+
+ pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER;
+ hw_clk = &pll_clk->hw.hw;
+
+ ret = clk_hw_register(NULL, hw_clk);
+ if (ret) {
+ kfree(pll_clk);
+ return ERR_PTR(ret);
+ }
+ return hw_clk;
+}
diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c
new file mode 100644
index 0000000000..9dcc1b2d2c
--- /dev/null
+++ b/drivers/clk/socfpga/clk-pll.c
@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ * Copyright (C) 2012-2013 Altera Corporation <www.altera.com>
+ *
+ * Based from clk-highbank.c
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "clk.h"
+
+/* Clock bypass bits */
+#define MAINPLL_BYPASS (1<<0)
+#define SDRAMPLL_BYPASS (1<<1)
+#define SDRAMPLL_SRC_BYPASS (1<<2)
+#define PERPLL_BYPASS (1<<3)
+#define PERPLL_SRC_BYPASS (1<<4)
+
+#define SOCFPGA_PLL_BG_PWRDWN 0
+#define SOCFPGA_PLL_EXT_ENA 1
+#define SOCFPGA_PLL_PWR_DOWN 2
+#define SOCFPGA_PLL_DIVF_MASK 0x0000FFF8
+#define SOCFPGA_PLL_DIVF_SHIFT 3
+#define SOCFPGA_PLL_DIVQ_MASK 0x003F0000
+#define SOCFPGA_PLL_DIVQ_SHIFT 16
+
+#define CLK_MGR_PLL_CLK_SRC_SHIFT 22
+#define CLK_MGR_PLL_CLK_SRC_MASK 0x3
+
+#define to_socfpga_clk(p) container_of(p, struct socfpga_pll, hw.hw)
+
+void __iomem *clk_mgr_base_addr;
+
+static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
+ unsigned long parent_rate)
+{
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+ unsigned long divf, divq, reg;
+ unsigned long long vco_freq;
+ unsigned long bypass;
+
+ reg = readl(socfpgaclk->hw.reg);
+ bypass = readl(clk_mgr_base_addr + CLKMGR_BYPASS);
+ if (bypass & MAINPLL_BYPASS)
+ return parent_rate;
+
+ divf = (reg & SOCFPGA_PLL_DIVF_MASK) >> SOCFPGA_PLL_DIVF_SHIFT;
+ divq = (reg & SOCFPGA_PLL_DIVQ_MASK) >> SOCFPGA_PLL_DIVQ_SHIFT;
+ vco_freq = (unsigned long long)parent_rate * (divf + 1);
+ do_div(vco_freq, (1 + divq));
+ return (unsigned long)vco_freq;
+}
+
+static u8 clk_pll_get_parent(struct clk_hw *hwclk)
+{
+ u32 pll_src;
+ struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
+
+ pll_src = readl(socfpgaclk->hw.reg);
+ return (pll_src >> CLK_MGR_PLL_CLK_SRC_SHIFT) &
+ CLK_MGR_PLL_CLK_SRC_MASK;
+}
+
+static const struct clk_ops clk_pll_ops = {
+ .recalc_rate = clk_pll_recalc_rate,
+ .get_parent = clk_pll_get_parent,
+};
+
+static void __init __socfpga_pll_init(struct device_node *node,
+ const struct clk_ops *ops)
+{
+ u32 reg;
+ struct clk_hw *hw_clk;
+ struct socfpga_pll *pll_clk;
+ const char *clk_name = node->name;
+ const char *parent_name[SOCFPGA_MAX_PARENTS];
+ struct clk_init_data init;
+ struct device_node *clkmgr_np;
+ int rc;
+
+ of_property_read_u32(node, "reg", &reg);
+
+ pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL);
+ if (WARN_ON(!pll_clk))
+ return;
+
+ clkmgr_np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr");
+ clk_mgr_base_addr = of_iomap(clkmgr_np, 0);
+ of_node_put(clkmgr_np);
+ BUG_ON(!clk_mgr_base_addr);
+ pll_clk->hw.reg = clk_mgr_base_addr + reg;
+
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = 0;
+
+ init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
+ init.parent_names = parent_name;
+ pll_clk->hw.hw.init = &init;
+
+ pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA;
+
+ hw_clk = &pll_clk->hw.hw;
+
+ rc = clk_hw_register(NULL, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock:%s\n", clk_name);
+ goto err_clk_hw_register;
+ }
+
+ rc = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw_clk);
+ if (rc) {
+ pr_err("Could not register clock provider for node:%s\n",
+ clk_name);
+ goto err_of_clk_add_hw_provider;
+ }
+
+ return;
+
+err_of_clk_add_hw_provider:
+ clk_hw_unregister(hw_clk);
+err_clk_hw_register:
+ kfree(pll_clk);
+}
+
+void __init socfpga_pll_init(struct device_node *node)
+{
+ __socfpga_pll_init(node, &clk_pll_ops);
+}
diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c
new file mode 100644
index 0000000000..3752bd9c10
--- /dev/null
+++ b/drivers/clk/socfpga/clk-s10.c
@@ -0,0 +1,451 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017, Intel Corporation
+ */
+#include <linux/slab.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+#include <dt-bindings/clock/stratix10-clock.h>
+
+#include "stratix10-clk.h"
+
+static const struct clk_parent_data pll_mux[] = {
+ { .fw_name = "osc1",
+ .name = "osc1" },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk" },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk" },
+};
+
+static const struct clk_parent_data cntr_mux[] = {
+ { .fw_name = "main_pll",
+ .name = "main_pll", },
+ { .fw_name = "periph_pll",
+ .name = "periph_pll", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data boot_mux[] = {
+ { .fw_name = "osc1",
+ .name = "osc1" },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk" },
+};
+
+static const struct clk_parent_data noc_free_mux[] = {
+ { .fw_name = "main_noc_base_clk",
+ .name = "main_noc_base_clk", },
+ { .fw_name = "peri_noc_base_clk",
+ .name = "peri_noc_base_clk", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data emaca_free_mux[] = {
+ { .fw_name = "peri_emaca_clk",
+ .name = "peri_emaca_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data emacb_free_mux[] = {
+ { .fw_name = "peri_emacb_clk",
+ .name = "peri_emacb_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data emac_ptp_free_mux[] = {
+ { .fw_name = "peri_emac_ptp_clk",
+ .name = "peri_emac_ptp_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data gpio_db_free_mux[] = {
+ { .fw_name = "peri_gpio_db_clk",
+ .name = "peri_gpio_db_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data sdmmc_free_mux[] = {
+ { .fw_name = "main_sdmmc_clk",
+ .name = "main_sdmmc_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data s2f_usr1_free_mux[] = {
+ { .fw_name = "peri_s2f_usr1_clk",
+ .name = "peri_s2f_usr1_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data psi_ref_free_mux[] = {
+ { .fw_name = "peri_psi_ref_clk",
+ .name = "peri_psi_ref_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data mpu_mux[] = {
+ { .fw_name = "mpu_free_clk",
+ .name = "mpu_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data s2f_usr0_mux[] = {
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data emac_mux[] = {
+ { .fw_name = "emaca_free_clk",
+ .name = "emaca_free_clk", },
+ { .fw_name = "emacb_free_clk",
+ .name = "emacb_free_clk", },
+};
+
+static const struct clk_parent_data noc_mux[] = {
+ { .fw_name = "noc_free_clk",
+ .name = "noc_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data mpu_free_mux[] = {
+ { .fw_name = "main_mpu_base_clk",
+ .name = "main_mpu_base_clk", },
+ { .fw_name = "peri_mpu_base_clk",
+ .name = "peri_mpu_base_clk", },
+ { .fw_name = "osc1",
+ .name = "osc1", },
+ { .fw_name = "cb-intosc-hs-div2-clk",
+ .name = "cb-intosc-hs-div2-clk", },
+ { .fw_name = "f2s-free-clk",
+ .name = "f2s-free-clk", },
+};
+
+static const struct clk_parent_data sdmmc_mux[] = {
+ { .fw_name = "sdmmc_free_clk",
+ .name = "sdmmc_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data s2f_user1_mux[] = {
+ { .fw_name = "s2f_user1_free_clk",
+ .name = "s2f_user1_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data psi_mux[] = {
+ { .fw_name = "psi_ref_free_clk",
+ .name = "psi_ref_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data gpio_db_mux[] = {
+ { .fw_name = "gpio_db_free_clk",
+ .name = "gpio_db_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+static const struct clk_parent_data emac_ptp_mux[] = {
+ { .fw_name = "emac_ptp_free_clk",
+ .name = "emac_ptp_free_clk", },
+ { .fw_name = "boot_clk",
+ .name = "boot_clk", },
+};
+
+/* clocks in AO (always on) controller */
+static const struct stratix10_pll_clock s10_pll_clks[] = {
+ { STRATIX10_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0,
+ 0x0},
+ { STRATIX10_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux),
+ 0, 0x74},
+ { STRATIX10_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux),
+ 0, 0xe4},
+};
+
+static const struct stratix10_perip_c_clock s10_main_perip_c_clks[] = {
+ { STRATIX10_MAIN_MPU_BASE_CLK, "main_mpu_base_clk", "main_pll", NULL, 1, 0, 0x84},
+ { STRATIX10_MAIN_NOC_BASE_CLK, "main_noc_base_clk", "main_pll", NULL, 1, 0, 0x88},
+ { STRATIX10_PERI_MPU_BASE_CLK, "peri_mpu_base_clk", "periph_pll", NULL, 1, 0,
+ 0xF4},
+ { STRATIX10_PERI_NOC_BASE_CLK, "peri_noc_base_clk", "periph_pll", NULL, 1, 0,
+ 0xF8},
+};
+
+static const struct stratix10_perip_cnt_clock s10_main_perip_cnt_clks[] = {
+ { STRATIX10_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux),
+ 0, 0x48, 0, 0, 0},
+ { STRATIX10_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux),
+ 0, 0x4C, 0, 0x3C, 1},
+ { STRATIX10_MAIN_EMACA_CLK, "main_emaca_clk", "main_noc_base_clk", NULL, 1, 0,
+ 0x50, 0, 0, 0},
+ { STRATIX10_MAIN_EMACB_CLK, "main_emacb_clk", "main_noc_base_clk", NULL, 1, 0,
+ 0x54, 0, 0, 0},
+ { STRATIX10_MAIN_EMAC_PTP_CLK, "main_emac_ptp_clk", "main_noc_base_clk", NULL, 1, 0,
+ 0x58, 0, 0, 0},
+ { STRATIX10_MAIN_GPIO_DB_CLK, "main_gpio_db_clk", "main_noc_base_clk", NULL, 1, 0,
+ 0x5C, 0, 0, 0},
+ { STRATIX10_MAIN_SDMMC_CLK, "main_sdmmc_clk", "main_noc_base_clk", NULL, 1, 0,
+ 0x60, 0, 0, 0},
+ { STRATIX10_MAIN_S2F_USR0_CLK, "main_s2f_usr0_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),
+ 0, 0x64, 0, 0, 0},
+ { STRATIX10_MAIN_S2F_USR1_CLK, "main_s2f_usr1_clk", "main_noc_base_clk", NULL, 1, 0,
+ 0x68, 0, 0, 0},
+ { STRATIX10_MAIN_PSI_REF_CLK, "main_psi_ref_clk", "main_noc_base_clk", NULL, 1, 0,
+ 0x6C, 0, 0, 0},
+ { STRATIX10_PERI_EMACA_CLK, "peri_emaca_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),
+ 0, 0xBC, 0, 0, 0},
+ { STRATIX10_PERI_EMACB_CLK, "peri_emacb_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),
+ 0, 0xC0, 0, 0, 0},
+ { STRATIX10_PERI_EMAC_PTP_CLK, "peri_emac_ptp_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),
+ 0, 0xC4, 0, 0, 0},
+ { STRATIX10_PERI_GPIO_DB_CLK, "peri_gpio_db_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),
+ 0, 0xC8, 0, 0, 0},
+ { STRATIX10_PERI_SDMMC_CLK, "peri_sdmmc_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),
+ 0, 0xCC, 0, 0, 0},
+ { STRATIX10_PERI_S2F_USR0_CLK, "peri_s2f_usr0_clk", "peri_noc_base_clk", NULL, 1, 0,
+ 0xD0, 0, 0, 0},
+ { STRATIX10_PERI_S2F_USR1_CLK, "peri_s2f_usr1_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),
+ 0, 0xD4, 0, 0, 0},
+ { STRATIX10_PERI_PSI_REF_CLK, "peri_psi_ref_clk", "peri_noc_base_clk", NULL, 1, 0,
+ 0xD8, 0, 0, 0},
+ { STRATIX10_L4_SYS_FREE_CLK, "l4_sys_free_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0,
+ 0, 4, 0x3C, 1},
+ { STRATIX10_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux),
+ 0, 0, 2, 0xB0, 0},
+ { STRATIX10_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux),
+ 0, 0, 2, 0xB0, 1},
+ { STRATIX10_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux,
+ ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 2, 0xB0, 2},
+ { STRATIX10_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux,
+ ARRAY_SIZE(gpio_db_free_mux), 0, 0, 0, 0xB0, 3},
+ { STRATIX10_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux,
+ ARRAY_SIZE(sdmmc_free_mux), 0, 0, 0, 0xB0, 4},
+ { STRATIX10_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux,
+ ARRAY_SIZE(s2f_usr1_free_mux), 0, 0, 0, 0xB0, 5},
+ { STRATIX10_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux,
+ ARRAY_SIZE(psi_ref_free_mux), 0, 0, 0, 0xB0, 6},
+};
+
+static const struct stratix10_gate_clock s10_gate_clks[] = {
+ { STRATIX10_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x30,
+ 0, 0, 0, 0, 0x3C, 0, 0},
+ { STRATIX10_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x30,
+ 0, 0, 0, 0, 0, 0, 4},
+ { STRATIX10_MPU_L2RAM_CLK, "mpu_l2ram_clk", "mpu_clk", NULL, 1, 0, 0x30,
+ 0, 0, 0, 0, 0, 0, 2},
+ { STRATIX10_L4_MAIN_CLK, "l4_main_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x30,
+ 1, 0x70, 0, 2, 0x3C, 1, 0},
+ { STRATIX10_L4_MP_CLK, "l4_mp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x30,
+ 2, 0x70, 8, 2, 0x3C, 1, 0},
+ { STRATIX10_L4_SP_CLK, "l4_sp_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), CLK_IS_CRITICAL, 0x30,
+ 3, 0x70, 16, 2, 0x3C, 1, 0},
+ { STRATIX10_CS_AT_CLK, "cs_at_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x30,
+ 4, 0x70, 24, 2, 0x3C, 1, 0},
+ { STRATIX10_CS_TRACE_CLK, "cs_trace_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x30,
+ 4, 0x70, 26, 2, 0x3C, 1, 0},
+ { STRATIX10_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x30,
+ 4, 0x70, 28, 1, 0, 0, 0},
+ { STRATIX10_CS_TIMER_CLK, "cs_timer_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), 0, 0x30,
+ 5, 0, 0, 0, 0x3C, 1, 0},
+ { STRATIX10_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_usr0_mux, ARRAY_SIZE(s2f_usr0_mux), 0, 0x30,
+ 6, 0, 0, 0, 0, 0, 0},
+ { STRATIX10_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0xA4,
+ 0, 0, 0, 0, 0xDC, 26, 0},
+ { STRATIX10_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0xA4,
+ 1, 0, 0, 0, 0xDC, 27, 0},
+ { STRATIX10_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0xA4,
+ 2, 0, 0, 0, 0xDC, 28, 0},
+ { STRATIX10_EMAC_PTP_CLK, "emac_ptp_clk", NULL, emac_ptp_mux, ARRAY_SIZE(emac_ptp_mux), 0, 0xA4,
+ 3, 0, 0, 0, 0xB0, 2, 0},
+ { STRATIX10_GPIO_DB_CLK, "gpio_db_clk", NULL, gpio_db_mux, ARRAY_SIZE(gpio_db_mux), 0, 0xA4,
+ 4, 0xE0, 0, 16, 0xB0, 3, 0},
+ { STRATIX10_SDMMC_CLK, "sdmmc_clk", NULL, sdmmc_mux, ARRAY_SIZE(sdmmc_mux), 0, 0xA4,
+ 5, 0, 0, 0, 0xB0, 4, 4},
+ { STRATIX10_S2F_USER1_CLK, "s2f_user1_clk", NULL, s2f_user1_mux, ARRAY_SIZE(s2f_user1_mux), 0, 0xA4,
+ 6, 0, 0, 0, 0xB0, 5, 0},
+ { STRATIX10_PSI_REF_CLK, "psi_ref_clk", NULL, psi_mux, ARRAY_SIZE(psi_mux), 0, 0xA4,
+ 7, 0, 0, 0, 0xB0, 6, 0},
+ { STRATIX10_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0xA4,
+ 8, 0, 0, 0, 0, 0, 0},
+ { STRATIX10_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0xA4,
+ 9, 0, 0, 0, 0, 0, 0},
+ { STRATIX10_NAND_X_CLK, "nand_x_clk", "l4_mp_clk", NULL, 1, 0, 0xA4,
+ 10, 0, 0, 0, 0, 0, 0},
+ { STRATIX10_NAND_CLK, "nand_clk", "nand_x_clk", NULL, 1, 0, 0xA4,
+ 10, 0, 0, 0, 0, 0, 4},
+ { STRATIX10_NAND_ECC_CLK, "nand_ecc_clk", "nand_x_clk", NULL, 1, 0, 0xA4,
+ 10, 0, 0, 0, 0, 0, 4},
+};
+
+static int s10_clk_register_c_perip(const struct stratix10_perip_c_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = s10_register_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+ return 0;
+}
+
+static int s10_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = s10_register_cnt_periph(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+
+ return 0;
+}
+
+static int s10_clk_register_gate(const struct stratix10_gate_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = s10_register_gate(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+
+ return 0;
+}
+
+static int s10_clk_register_pll(const struct stratix10_pll_clock *clks,
+ int nums, struct stratix10_clock_data *data)
+{
+ struct clk_hw *hw_clk;
+ void __iomem *base = data->base;
+ int i;
+
+ for (i = 0; i < nums; i++) {
+ hw_clk = s10_register_pll(&clks[i], base);
+ if (IS_ERR(hw_clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ data->clk_data.hws[clks[i].id] = hw_clk;
+ }
+
+ return 0;
+}
+
+static int s10_clkmgr_init(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ struct stratix10_clock_data *clk_data;
+ void __iomem *base;
+ int i, num_clks;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base)) {
+ pr_err("%s: failed to map clock registers\n", __func__);
+ return PTR_ERR(base);
+ }
+
+ num_clks = STRATIX10_NUM_CLKS;
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, clk_data.hws,
+ num_clks), GFP_KERNEL);
+ if (!clk_data)
+ return -ENOMEM;
+
+ for (i = 0; i < num_clks; i++)
+ clk_data->clk_data.hws[i] = ERR_PTR(-ENOENT);
+
+ clk_data->base = base;
+ clk_data->clk_data.num = num_clks;
+
+ s10_clk_register_pll(s10_pll_clks, ARRAY_SIZE(s10_pll_clks), clk_data);
+
+ s10_clk_register_c_perip(s10_main_perip_c_clks,
+ ARRAY_SIZE(s10_main_perip_c_clks), clk_data);
+
+ s10_clk_register_cnt_perip(s10_main_perip_cnt_clks,
+ ARRAY_SIZE(s10_main_perip_cnt_clks),
+ clk_data);
+
+ s10_clk_register_gate(s10_gate_clks, ARRAY_SIZE(s10_gate_clks),
+ clk_data);
+
+ of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &clk_data->clk_data);
+ return 0;
+}
+
+static int s10_clkmgr_probe(struct platform_device *pdev)
+{
+ return s10_clkmgr_init(pdev);
+}
+
+static const struct of_device_id stratix10_clkmgr_match_table[] = {
+ { .compatible = "intel,stratix10-clkmgr",
+ .data = s10_clkmgr_init },
+ { }
+};
+
+static struct platform_driver stratix10_clkmgr_driver = {
+ .probe = s10_clkmgr_probe,
+ .driver = {
+ .name = "stratix10-clkmgr",
+ .suppress_bind_attrs = true,
+ .of_match_table = stratix10_clkmgr_match_table,
+ },
+};
+
+static int __init s10_clk_init(void)
+{
+ return platform_driver_register(&stratix10_clkmgr_driver);
+}
+core_initcall(s10_clk_init);
diff --git a/drivers/clk/socfpga/clk.c b/drivers/clk/socfpga/clk.c
new file mode 100644
index 0000000000..0bd7d0ebf4
--- /dev/null
+++ b/drivers/clk/socfpga/clk.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2011-2012 Calxeda, Inc.
+ * Copyright (C) 2012-2013 Altera Corporation <www.altera.com>
+ *
+ * Based from clk-highbank.c
+ */
+#include <linux/of.h>
+
+#include "clk.h"
+
+CLK_OF_DECLARE(socfpga_pll_clk, "altr,socfpga-pll-clock", socfpga_pll_init);
+CLK_OF_DECLARE(socfpga_perip_clk, "altr,socfpga-perip-clk", socfpga_periph_init);
+CLK_OF_DECLARE(socfpga_gate_clk, "altr,socfpga-gate-clk", socfpga_gate_init);
+CLK_OF_DECLARE(socfpga_a10_pll_clk, "altr,socfpga-a10-pll-clock",
+ socfpga_a10_pll_init);
+CLK_OF_DECLARE(socfpga_a10_perip_clk, "altr,socfpga-a10-perip-clk",
+ socfpga_a10_periph_init);
+CLK_OF_DECLARE(socfpga_a10_gate_clk, "altr,socfpga-a10-gate-clk",
+ socfpga_a10_gate_init);
diff --git a/drivers/clk/socfpga/clk.h b/drivers/clk/socfpga/clk.h
new file mode 100644
index 0000000000..9a2fb2dde5
--- /dev/null
+++ b/drivers/clk/socfpga/clk.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2013, Steffen Trumtrar <s.trumtrar@pengutronix.de>
+ *
+ * based on drivers/clk/tegra/clk.h
+ */
+
+#ifndef __SOCFPGA_CLK_H
+#define __SOCFPGA_CLK_H
+
+#include <linux/clk-provider.h>
+
+/* Clock Manager offsets */
+#define CLKMGR_CTRL 0x0
+#define CLKMGR_BYPASS 0x4
+#define CLKMGR_DBCTRL 0x10
+#define CLKMGR_L4SRC 0x70
+#define CLKMGR_PERPLL_SRC 0xAC
+
+#define SOCFPGA_MAX_PARENTS 5
+
+#define streq(a, b) (strcmp((a), (b)) == 0)
+#define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel) \
+ ((((smplsel) & 0x7) << 3) | (((drvsel) & 0x7) << 0))
+
+#define SYSMGR_SDMMC_CTRL_SET_AS10(smplsel, drvsel) \
+ ((((smplsel) & 0x7) << 4) | (((drvsel) & 0x7) << 0))
+
+extern void __iomem *clk_mgr_base_addr;
+extern void __iomem *clk_mgr_a10_base_addr;
+
+void __init socfpga_pll_init(struct device_node *node);
+void __init socfpga_periph_init(struct device_node *node);
+void __init socfpga_gate_init(struct device_node *node);
+void socfpga_a10_pll_init(struct device_node *node);
+void socfpga_a10_periph_init(struct device_node *node);
+void socfpga_a10_gate_init(struct device_node *node);
+
+struct socfpga_pll {
+ struct clk_gate hw;
+};
+
+struct socfpga_gate_clk {
+ struct clk_gate hw;
+ char *parent_name;
+ u32 fixed_div;
+ void __iomem *div_reg;
+ void __iomem *bypass_reg;
+ struct regmap *sys_mgr_base_addr;
+ u32 width; /* only valid if div_reg != 0 */
+ u32 shift; /* only valid if div_reg != 0 */
+ u32 bypass_shift; /* only valid if bypass_reg != 0 */
+};
+
+struct socfpga_periph_clk {
+ struct clk_gate hw;
+ char *parent_name;
+ u32 fixed_div;
+ void __iomem *div_reg;
+ void __iomem *bypass_reg;
+ u32 width; /* only valid if div_reg != 0 */
+ u32 shift; /* only valid if div_reg != 0 */
+ u32 bypass_shift; /* only valid if bypass_reg != 0 */
+};
+
+#endif /* SOCFPGA_CLK_H */
diff --git a/drivers/clk/socfpga/stratix10-clk.h b/drivers/clk/socfpga/stratix10-clk.h
new file mode 100644
index 0000000000..83fe4eb313
--- /dev/null
+++ b/drivers/clk/socfpga/stratix10-clk.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2017, Intel Corporation
+ */
+
+#ifndef __STRATIX10_CLK_H
+#define __STRATIX10_CLK_H
+
+struct stratix10_clock_data {
+ void __iomem *base;
+
+ /* Must be last */
+ struct clk_hw_onecell_data clk_data;
+};
+
+struct stratix10_pll_clock {
+ unsigned int id;
+ const char *name;
+ const struct clk_parent_data *parent_data;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long offset;
+};
+
+struct stratix10_perip_c_clock {
+ unsigned int id;
+ const char *name;
+ const char *parent_name;
+ const struct clk_parent_data *parent_data;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long offset;
+};
+
+struct n5x_perip_c_clock {
+ unsigned int id;
+ const char *name;
+ const char *parent_name;
+ const char *const *parent_names;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long offset;
+ unsigned long shift;
+};
+
+struct stratix10_perip_cnt_clock {
+ unsigned int id;
+ const char *name;
+ const char *parent_name;
+ const struct clk_parent_data *parent_data;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long offset;
+ u8 fixed_divider;
+ unsigned long bypass_reg;
+ unsigned long bypass_shift;
+};
+
+struct stratix10_gate_clock {
+ unsigned int id;
+ const char *name;
+ const char *parent_name;
+ const struct clk_parent_data *parent_data;
+ u8 num_parents;
+ unsigned long flags;
+ unsigned long gate_reg;
+ u8 gate_idx;
+ unsigned long div_reg;
+ u8 div_offset;
+ u8 div_width;
+ unsigned long bypass_reg;
+ u8 bypass_shift;
+ u8 fixed_div;
+};
+
+struct clk_hw *s10_register_pll(const struct stratix10_pll_clock *clks,
+ void __iomem *reg);
+struct clk_hw *agilex_register_pll(const struct stratix10_pll_clock *clks,
+ void __iomem *reg);
+struct clk_hw *n5x_register_pll(const struct stratix10_pll_clock *clks,
+ void __iomem *reg);
+struct clk_hw *s10_register_periph(const struct stratix10_perip_c_clock *clks,
+ void __iomem *reg);
+struct clk_hw *n5x_register_periph(const struct n5x_perip_c_clock *clks,
+ void __iomem *reg);
+struct clk_hw *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks,
+ void __iomem *reg);
+struct clk_hw *s10_register_gate(const struct stratix10_gate_clock *clks,
+ void __iomem *reg);
+struct clk_hw *agilex_register_gate(const struct stratix10_gate_clock *clks,
+ void __iomem *reg);
+#endif /* __STRATIX10_CLK_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 16:50:46 +0000