summaryrefslogtreecommitdiffstats
path: root/drivers/clk/sunxi-ng/ccu-sun8i-r.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu-sun8i-r.c')
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-r.c290
1 files changed, 290 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r.c b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
new file mode 100644
index 000000000..4c8c491b8
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-r.c
@@ -0,0 +1,290 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2016 Icenowy Zheng <icenowy@aosc.xyz>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+
+#include "ccu_common.h"
+#include "ccu_reset.h"
+
+#include "ccu_div.h"
+#include "ccu_gate.h"
+#include "ccu_mp.h"
+#include "ccu_nm.h"
+
+#include "ccu-sun8i-r.h"
+
+static const struct clk_parent_data ar100_parents[] = {
+ { .fw_name = "losc" },
+ { .fw_name = "hosc" },
+ { .fw_name = "pll-periph" },
+ { .fw_name = "iosc" },
+};
+
+static const struct ccu_mux_var_prediv ar100_predivs[] = {
+ { .index = 2, .shift = 8, .width = 5 },
+};
+
+static struct ccu_div ar100_clk = {
+ .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
+
+ .mux = {
+ .shift = 16,
+ .width = 2,
+
+ .var_predivs = ar100_predivs,
+ .n_var_predivs = ARRAY_SIZE(ar100_predivs),
+ },
+
+ .common = {
+ .reg = 0x00,
+ .features = CCU_FEATURE_VARIABLE_PREDIV,
+ .hw.init = CLK_HW_INIT_PARENTS_DATA("ar100",
+ ar100_parents,
+ &ccu_div_ops,
+ 0),
+ },
+};
+
+static CLK_FIXED_FACTOR_HW(ahb0_clk, "ahb0", &ar100_clk.common.hw, 1, 1, 0);
+
+static SUNXI_CCU_M(apb0_clk, "apb0", "ahb0", 0x0c, 0, 2, 0);
+
+/*
+ * Define the parent as an array that can be reused to save space
+ * instead of having compound literals for each gate. Also have it
+ * non-const so we can change it on the A83T.
+ */
+static const struct clk_hw *apb0_gate_parent[] = { &apb0_clk.common.hw };
+static SUNXI_CCU_GATE_HWS(apb0_pio_clk, "apb0-pio",
+ apb0_gate_parent, 0x28, BIT(0), 0);
+static SUNXI_CCU_GATE_HWS(apb0_ir_clk, "apb0-ir",
+ apb0_gate_parent, 0x28, BIT(1), 0);
+static SUNXI_CCU_GATE_HWS(apb0_timer_clk, "apb0-timer",
+ apb0_gate_parent, 0x28, BIT(2), 0);
+static SUNXI_CCU_GATE_HWS(apb0_rsb_clk, "apb0-rsb",
+ apb0_gate_parent, 0x28, BIT(3), 0);
+static SUNXI_CCU_GATE_HWS(apb0_uart_clk, "apb0-uart",
+ apb0_gate_parent, 0x28, BIT(4), 0);
+static SUNXI_CCU_GATE_HWS(apb0_i2c_clk, "apb0-i2c",
+ apb0_gate_parent, 0x28, BIT(6), 0);
+static SUNXI_CCU_GATE_HWS(apb0_twd_clk, "apb0-twd",
+ apb0_gate_parent, 0x28, BIT(7), 0);
+
+static const char * const r_mod0_default_parents[] = { "osc32k", "osc24M" };
+static SUNXI_CCU_MP_WITH_MUX_GATE(ir_clk, "ir",
+ r_mod0_default_parents, 0x54,
+ 0, 4, /* M */
+ 16, 2, /* P */
+ 24, 2, /* mux */
+ BIT(31), /* gate */
+ 0);
+
+static const struct clk_parent_data a83t_r_mod0_parents[] = {
+ { .fw_name = "iosc" },
+ { .fw_name = "hosc" },
+};
+static const struct ccu_mux_fixed_prediv a83t_ir_predivs[] = {
+ { .index = 0, .div = 16 },
+};
+static struct ccu_mp a83t_ir_clk = {
+ .enable = BIT(31),
+
+ .m = _SUNXI_CCU_DIV(0, 4),
+ .p = _SUNXI_CCU_DIV(16, 2),
+
+ .mux = {
+ .shift = 24,
+ .width = 2,
+ .fixed_predivs = a83t_ir_predivs,
+ .n_predivs = ARRAY_SIZE(a83t_ir_predivs),
+ },
+
+ .common = {
+ .reg = 0x54,
+ .features = CCU_FEATURE_VARIABLE_PREDIV,
+ .hw.init = CLK_HW_INIT_PARENTS_DATA("ir",
+ a83t_r_mod0_parents,
+ &ccu_mp_ops,
+ 0),
+ },
+};
+
+static struct ccu_common *sun8i_a83t_r_ccu_clks[] = {
+ &ar100_clk.common,
+ &apb0_clk.common,
+ &apb0_pio_clk.common,
+ &apb0_ir_clk.common,
+ &apb0_timer_clk.common,
+ &apb0_rsb_clk.common,
+ &apb0_uart_clk.common,
+ &apb0_i2c_clk.common,
+ &apb0_twd_clk.common,
+ &a83t_ir_clk.common,
+};
+
+static struct ccu_common *sun8i_h3_r_ccu_clks[] = {
+ &ar100_clk.common,
+ &apb0_clk.common,
+ &apb0_pio_clk.common,
+ &apb0_ir_clk.common,
+ &apb0_timer_clk.common,
+ &apb0_uart_clk.common,
+ &apb0_i2c_clk.common,
+ &apb0_twd_clk.common,
+ &ir_clk.common,
+};
+
+static struct ccu_common *sun50i_a64_r_ccu_clks[] = {
+ &ar100_clk.common,
+ &apb0_clk.common,
+ &apb0_pio_clk.common,
+ &apb0_ir_clk.common,
+ &apb0_timer_clk.common,
+ &apb0_rsb_clk.common,
+ &apb0_uart_clk.common,
+ &apb0_i2c_clk.common,
+ &apb0_twd_clk.common,
+ &ir_clk.common,
+};
+
+static struct clk_hw_onecell_data sun8i_a83t_r_hw_clks = {
+ .hws = {
+ [CLK_AR100] = &ar100_clk.common.hw,
+ [CLK_AHB0] = &ahb0_clk.hw,
+ [CLK_APB0] = &apb0_clk.common.hw,
+ [CLK_APB0_PIO] = &apb0_pio_clk.common.hw,
+ [CLK_APB0_IR] = &apb0_ir_clk.common.hw,
+ [CLK_APB0_TIMER] = &apb0_timer_clk.common.hw,
+ [CLK_APB0_RSB] = &apb0_rsb_clk.common.hw,
+ [CLK_APB0_UART] = &apb0_uart_clk.common.hw,
+ [CLK_APB0_I2C] = &apb0_i2c_clk.common.hw,
+ [CLK_APB0_TWD] = &apb0_twd_clk.common.hw,
+ [CLK_IR] = &a83t_ir_clk.common.hw,
+ },
+ .num = CLK_NUMBER,
+};
+
+static struct clk_hw_onecell_data sun8i_h3_r_hw_clks = {
+ .hws = {
+ [CLK_AR100] = &ar100_clk.common.hw,
+ [CLK_AHB0] = &ahb0_clk.hw,
+ [CLK_APB0] = &apb0_clk.common.hw,
+ [CLK_APB0_PIO] = &apb0_pio_clk.common.hw,
+ [CLK_APB0_IR] = &apb0_ir_clk.common.hw,
+ [CLK_APB0_TIMER] = &apb0_timer_clk.common.hw,
+ [CLK_APB0_UART] = &apb0_uart_clk.common.hw,
+ [CLK_APB0_I2C] = &apb0_i2c_clk.common.hw,
+ [CLK_APB0_TWD] = &apb0_twd_clk.common.hw,
+ [CLK_IR] = &ir_clk.common.hw,
+ },
+ .num = CLK_NUMBER,
+};
+
+static struct clk_hw_onecell_data sun50i_a64_r_hw_clks = {
+ .hws = {
+ [CLK_AR100] = &ar100_clk.common.hw,
+ [CLK_AHB0] = &ahb0_clk.hw,
+ [CLK_APB0] = &apb0_clk.common.hw,
+ [CLK_APB0_PIO] = &apb0_pio_clk.common.hw,
+ [CLK_APB0_IR] = &apb0_ir_clk.common.hw,
+ [CLK_APB0_TIMER] = &apb0_timer_clk.common.hw,
+ [CLK_APB0_RSB] = &apb0_rsb_clk.common.hw,
+ [CLK_APB0_UART] = &apb0_uart_clk.common.hw,
+ [CLK_APB0_I2C] = &apb0_i2c_clk.common.hw,
+ [CLK_APB0_TWD] = &apb0_twd_clk.common.hw,
+ [CLK_IR] = &ir_clk.common.hw,
+ },
+ .num = CLK_NUMBER,
+};
+
+static struct ccu_reset_map sun8i_a83t_r_ccu_resets[] = {
+ [RST_APB0_IR] = { 0xb0, BIT(1) },
+ [RST_APB0_TIMER] = { 0xb0, BIT(2) },
+ [RST_APB0_RSB] = { 0xb0, BIT(3) },
+ [RST_APB0_UART] = { 0xb0, BIT(4) },
+ [RST_APB0_I2C] = { 0xb0, BIT(6) },
+};
+
+static struct ccu_reset_map sun8i_h3_r_ccu_resets[] = {
+ [RST_APB0_IR] = { 0xb0, BIT(1) },
+ [RST_APB0_TIMER] = { 0xb0, BIT(2) },
+ [RST_APB0_UART] = { 0xb0, BIT(4) },
+ [RST_APB0_I2C] = { 0xb0, BIT(6) },
+};
+
+static struct ccu_reset_map sun50i_a64_r_ccu_resets[] = {
+ [RST_APB0_IR] = { 0xb0, BIT(1) },
+ [RST_APB0_TIMER] = { 0xb0, BIT(2) },
+ [RST_APB0_RSB] = { 0xb0, BIT(3) },
+ [RST_APB0_UART] = { 0xb0, BIT(4) },
+ [RST_APB0_I2C] = { 0xb0, BIT(6) },
+};
+
+static const struct sunxi_ccu_desc sun8i_a83t_r_ccu_desc = {
+ .ccu_clks = sun8i_a83t_r_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun8i_a83t_r_ccu_clks),
+
+ .hw_clks = &sun8i_a83t_r_hw_clks,
+
+ .resets = sun8i_a83t_r_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun8i_a83t_r_ccu_resets),
+};
+
+static const struct sunxi_ccu_desc sun8i_h3_r_ccu_desc = {
+ .ccu_clks = sun8i_h3_r_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun8i_h3_r_ccu_clks),
+
+ .hw_clks = &sun8i_h3_r_hw_clks,
+
+ .resets = sun8i_h3_r_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun8i_h3_r_ccu_resets),
+};
+
+static const struct sunxi_ccu_desc sun50i_a64_r_ccu_desc = {
+ .ccu_clks = sun50i_a64_r_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun50i_a64_r_ccu_clks),
+
+ .hw_clks = &sun50i_a64_r_hw_clks,
+
+ .resets = sun50i_a64_r_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun50i_a64_r_ccu_resets),
+};
+
+static void __init sunxi_r_ccu_init(struct device_node *node,
+ const struct sunxi_ccu_desc *desc)
+{
+ void __iomem *reg;
+
+ reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+ if (IS_ERR(reg)) {
+ pr_err("%pOF: Could not map the clock registers\n", node);
+ return;
+ }
+
+ sunxi_ccu_probe(node, reg, desc);
+}
+
+static void __init sun8i_a83t_r_ccu_setup(struct device_node *node)
+{
+ sunxi_r_ccu_init(node, &sun8i_a83t_r_ccu_desc);
+}
+CLK_OF_DECLARE(sun8i_a83t_r_ccu, "allwinner,sun8i-a83t-r-ccu",
+ sun8i_a83t_r_ccu_setup);
+
+static void __init sun8i_h3_r_ccu_setup(struct device_node *node)
+{
+ sunxi_r_ccu_init(node, &sun8i_h3_r_ccu_desc);
+}
+CLK_OF_DECLARE(sun8i_h3_r_ccu, "allwinner,sun8i-h3-r-ccu",
+ sun8i_h3_r_ccu_setup);
+
+static void __init sun50i_a64_r_ccu_setup(struct device_node *node)
+{
+ sunxi_r_ccu_init(node, &sun50i_a64_r_ccu_desc);
+}
+CLK_OF_DECLARE(sun50i_a64_r_ccu, "allwinner,sun50i-a64-r-ccu",
+ sun50i_a64_r_ccu_setup);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 12:39:43 +0000