diff options
Diffstat (limited to 'drivers/clk/zte')
| -rw-r--r-- | drivers/clk/zte/Makefile | 3 | ||||
| -rw-r--r-- | drivers/clk/zte/clk-zx296702.c | 744 | ||||
| -rw-r--r-- | drivers/clk/zte/clk-zx296718.c | 1077 | ||||
| -rw-r--r-- | drivers/clk/zte/clk.c | 449 | ||||
| -rw-r--r-- | drivers/clk/zte/clk.h | 177 |
5 files changed, 2450 insertions, 0 deletions
diff --git a/drivers/clk/zte/Makefile b/drivers/clk/zte/Makefile new file mode 100644 index 000000000..83374bfc4 --- /dev/null +++ b/drivers/clk/zte/Makefile @@ -0,0 +1,3 @@ +obj-y := clk.o +obj-$(CONFIG_SOC_ZX296702) += clk-zx296702.o +obj-$(CONFIG_ARCH_ZX) += clk-zx296718.o diff --git a/drivers/clk/zte/clk-zx296702.c b/drivers/clk/zte/clk-zx296702.c new file mode 100644 index 000000000..76e967c19 --- /dev/null +++ b/drivers/clk/zte/clk-zx296702.c @@ -0,0 +1,744 @@ +/* + * Copyright 2014 Linaro Ltd. + * Copyright (C) 2014 ZTE Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/clk-provider.h> +#include <linux/of_address.h> +#include <dt-bindings/clock/zx296702-clock.h> +#include "clk.h" + +static DEFINE_SPINLOCK(reg_lock); + +static void __iomem *topcrm_base; +static void __iomem *lsp0crpm_base; +static void __iomem *lsp1crpm_base; + +static struct clk *topclk[ZX296702_TOPCLK_END]; +static struct clk *lsp0clk[ZX296702_LSP0CLK_END]; +static struct clk *lsp1clk[ZX296702_LSP1CLK_END]; + +static struct clk_onecell_data topclk_data; +static struct clk_onecell_data lsp0clk_data; +static struct clk_onecell_data lsp1clk_data; + +#define CLK_MUX (topcrm_base + 0x04) +#define CLK_DIV (topcrm_base + 0x08) +#define CLK_EN0 (topcrm_base + 0x0c) +#define CLK_EN1 (topcrm_base + 0x10) +#define VOU_LOCAL_CLKEN (topcrm_base + 0x68) +#define VOU_LOCAL_CLKSEL (topcrm_base + 0x70) +#define VOU_LOCAL_DIV2_SET (topcrm_base + 0x74) +#define CLK_MUX1 (topcrm_base + 0x8c) + +#define CLK_SDMMC1 (lsp0crpm_base + 0x0c) +#define CLK_GPIO (lsp0crpm_base + 0x2c) +#define CLK_SPDIF0 (lsp0crpm_base + 0x10) +#define SPDIF0_DIV (lsp0crpm_base + 0x14) +#define CLK_I2S0 (lsp0crpm_base + 0x18) +#define I2S0_DIV (lsp0crpm_base + 0x1c) +#define CLK_I2S1 (lsp0crpm_base + 0x20) +#define I2S1_DIV (lsp0crpm_base + 0x24) +#define CLK_I2S2 (lsp0crpm_base + 0x34) +#define I2S2_DIV (lsp0crpm_base + 0x38) + +#define CLK_UART0 (lsp1crpm_base + 0x20) +#define CLK_UART1 (lsp1crpm_base + 0x24) +#define CLK_SDMMC0 (lsp1crpm_base + 0x2c) +#define CLK_SPDIF1 (lsp1crpm_base + 0x30) +#define SPDIF1_DIV (lsp1crpm_base + 0x34) + +static const struct zx_pll_config pll_a9_config[] = { + { .rate = 700000000, .cfg0 = 0x800405d1, .cfg1 = 0x04555555 }, + { .rate = 800000000, .cfg0 = 0x80040691, .cfg1 = 0x04aaaaaa }, + { .rate = 900000000, .cfg0 = 0x80040791, .cfg1 = 0x04000000 }, + { .rate = 1000000000, .cfg0 = 0x80040851, .cfg1 = 0x04555555 }, + { .rate = 1100000000, .cfg0 = 0x80040911, .cfg1 = 0x04aaaaaa }, + { .rate = 1200000000, .cfg0 = 0x80040a11, .cfg1 = 0x04000000 }, +}; + +static const struct clk_div_table main_hlk_div[] = { + { .val = 1, .div = 2, }, + { .val = 3, .div = 4, }, + { /* sentinel */ } +}; + +static const struct clk_div_table a9_as1_aclk_divider[] = { + { .val = 0, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 3, .div = 4, }, + { /* sentinel */ } +}; + +static const struct clk_div_table sec_wclk_divider[] = { + { .val = 0, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 3, .div = 4, }, + { .val = 5, .div = 6, }, + { .val = 7, .div = 8, }, + { /* sentinel */ } +}; + +static const char * const matrix_aclk_sel[] = { + "pll_mm0_198M", + "osc", + "clk_148M5", + "pll_lsp_104M", +}; + +static const char * const a9_wclk_sel[] = { + "pll_a9", + "osc", + "clk_500", + "clk_250", +}; + +static const char * const a9_as1_aclk_sel[] = { + "clk_250", + "osc", + "pll_mm0_396M", + "pll_mac_333M", +}; + +static const char * const a9_trace_clkin_sel[] = { + "clk_74M25", + "pll_mm1_108M", + "clk_125", + "clk_148M5", +}; + +static const char * const decppu_aclk_sel[] = { + "clk_250", + "pll_mm0_198M", + "pll_lsp_104M", + "pll_audio_294M912", +}; + +static const char * const vou_main_wclk_sel[] = { + "clk_148M5", + "clk_74M25", + "clk_27", + "pll_mm1_54M", +}; + +static const char * const vou_scaler_wclk_sel[] = { + "clk_250", + "pll_mac_333M", + "pll_audio_294M912", + "pll_mm0_198M", +}; + +static const char * const r2d_wclk_sel[] = { + "pll_audio_294M912", + "pll_mac_333M", + "pll_a9_350M", + "pll_mm0_396M", +}; + +static const char * const ddr_wclk_sel[] = { + "pll_mac_333M", + "pll_ddr_266M", + "pll_audio_294M912", + "pll_mm0_198M", +}; + +static const char * const nand_wclk_sel[] = { + "pll_lsp_104M", + "osc", +}; + +static const char * const lsp_26_wclk_sel[] = { + "pll_lsp_26M", + "osc", +}; + +static const char * const vl0_sel[] = { + "vou_main_channel_div", + "vou_aux_channel_div", +}; + +static const char * const hdmi_sel[] = { + "vou_main_channel_wclk", + "vou_aux_channel_wclk", +}; + +static const char * const sdmmc0_wclk_sel[] = { + "lsp1_104M_wclk", + "lsp1_26M_wclk", +}; + +static const char * const sdmmc1_wclk_sel[] = { + "lsp0_104M_wclk", + "lsp0_26M_wclk", +}; + +static const char * const uart_wclk_sel[] = { + "lsp1_104M_wclk", + "lsp1_26M_wclk", +}; + +static const char * const spdif0_wclk_sel[] = { + "lsp0_104M_wclk", + "lsp0_26M_wclk", +}; + +static const char * const spdif1_wclk_sel[] = { + "lsp1_104M_wclk", + "lsp1_26M_wclk", +}; + +static const char * const i2s_wclk_sel[] = { + "lsp0_104M_wclk", + "lsp0_26M_wclk", +}; + +static inline struct clk *zx_divtbl(const char *name, const char *parent, + void __iomem *reg, u8 shift, u8 width, + const struct clk_div_table *table) +{ + return clk_register_divider_table(NULL, name, parent, 0, reg, shift, + width, 0, table, ®_lock); +} + +static inline struct clk *zx_div(const char *name, const char *parent, + void __iomem *reg, u8 shift, u8 width) +{ + return clk_register_divider(NULL, name, parent, 0, + reg, shift, width, 0, ®_lock); +} + +static inline struct clk *zx_mux(const char *name, const char * const *parents, + int num_parents, void __iomem *reg, u8 shift, u8 width) +{ + return clk_register_mux(NULL, name, parents, num_parents, + 0, reg, shift, width, 0, ®_lock); +} + +static inline struct clk *zx_gate(const char *name, const char *parent, + void __iomem *reg, u8 shift) +{ + return clk_register_gate(NULL, name, parent, CLK_IGNORE_UNUSED, + reg, shift, CLK_SET_RATE_PARENT, ®_lock); +} + +static void __init zx296702_top_clocks_init(struct device_node *np) +{ + struct clk **clk = topclk; + int i; + + topcrm_base = of_iomap(np, 0); + WARN_ON(!topcrm_base); + + clk[ZX296702_OSC] = + clk_register_fixed_rate(NULL, "osc", NULL, 0, 30000000); + clk[ZX296702_PLL_A9] = + clk_register_zx_pll("pll_a9", "osc", 0, topcrm_base + + 0x01c, pll_a9_config, + ARRAY_SIZE(pll_a9_config), ®_lock); + + /* TODO: pll_a9_350M look like changeble follow a9 pll */ + clk[ZX296702_PLL_A9_350M] = + clk_register_fixed_rate(NULL, "pll_a9_350M", "osc", 0, + 350000000); + clk[ZX296702_PLL_MAC_1000M] = + clk_register_fixed_rate(NULL, "pll_mac_1000M", "osc", 0, + 1000000000); + clk[ZX296702_PLL_MAC_333M] = + clk_register_fixed_rate(NULL, "pll_mac_333M", "osc", 0, + 333000000); + clk[ZX296702_PLL_MM0_1188M] = + clk_register_fixed_rate(NULL, "pll_mm0_1188M", "osc", 0, + 1188000000); + clk[ZX296702_PLL_MM0_396M] = + clk_register_fixed_rate(NULL, "pll_mm0_396M", "osc", 0, + 396000000); + clk[ZX296702_PLL_MM0_198M] = + clk_register_fixed_rate(NULL, "pll_mm0_198M", "osc", 0, + 198000000); + clk[ZX296702_PLL_MM1_108M] = + clk_register_fixed_rate(NULL, "pll_mm1_108M", "osc", 0, + 108000000); + clk[ZX296702_PLL_MM1_72M] = + clk_register_fixed_rate(NULL, "pll_mm1_72M", "osc", 0, + 72000000); + clk[ZX296702_PLL_MM1_54M] = + clk_register_fixed_rate(NULL, "pll_mm1_54M", "osc", 0, + 54000000); + clk[ZX296702_PLL_LSP_104M] = + clk_register_fixed_rate(NULL, "pll_lsp_104M", "osc", 0, + 104000000); + clk[ZX296702_PLL_LSP_26M] = + clk_register_fixed_rate(NULL, "pll_lsp_26M", "osc", 0, + 26000000); + clk[ZX296702_PLL_DDR_266M] = + clk_register_fixed_rate(NULL, "pll_ddr_266M", "osc", 0, + 266000000); + clk[ZX296702_PLL_AUDIO_294M912] = + clk_register_fixed_rate(NULL, "pll_audio_294M912", "osc", 0, + 294912000); + + /* bus clock */ + clk[ZX296702_MATRIX_ACLK] = + zx_mux("matrix_aclk", matrix_aclk_sel, + ARRAY_SIZE(matrix_aclk_sel), CLK_MUX, 2, 2); + clk[ZX296702_MAIN_HCLK] = + zx_divtbl("main_hclk", "matrix_aclk", CLK_DIV, 0, 2, + main_hlk_div); + clk[ZX296702_MAIN_PCLK] = + zx_divtbl("main_pclk", "matrix_aclk", CLK_DIV, 2, 2, + main_hlk_div); + + /* cpu clock */ + clk[ZX296702_CLK_500] = + clk_register_fixed_factor(NULL, "clk_500", "pll_mac_1000M", 0, + 1, 2); + clk[ZX296702_CLK_250] = + clk_register_fixed_factor(NULL, "clk_250", "pll_mac_1000M", 0, + 1, 4); + clk[ZX296702_CLK_125] = + clk_register_fixed_factor(NULL, "clk_125", "clk_250", 0, 1, 2); + clk[ZX296702_CLK_148M5] = + clk_register_fixed_factor(NULL, "clk_148M5", "pll_mm0_1188M", 0, + 1, 8); + clk[ZX296702_CLK_74M25] = + clk_register_fixed_factor(NULL, "clk_74M25", "pll_mm0_1188M", 0, + 1, 16); + clk[ZX296702_A9_WCLK] = + zx_mux("a9_wclk", a9_wclk_sel, ARRAY_SIZE(a9_wclk_sel), CLK_MUX, + 0, 2); + clk[ZX296702_A9_AS1_ACLK_MUX] = + zx_mux("a9_as1_aclk_mux", a9_as1_aclk_sel, + ARRAY_SIZE(a9_as1_aclk_sel), CLK_MUX, 4, 2); + clk[ZX296702_A9_TRACE_CLKIN_MUX] = + zx_mux("a9_trace_clkin_mux", a9_trace_clkin_sel, + ARRAY_SIZE(a9_trace_clkin_sel), CLK_MUX1, 0, 2); + clk[ZX296702_A9_AS1_ACLK_DIV] = + zx_divtbl("a9_as1_aclk_div", "a9_as1_aclk_mux", CLK_DIV, 4, 2, + a9_as1_aclk_divider); + + /* multi-media clock */ + clk[ZX296702_CLK_2] = + clk_register_fixed_factor(NULL, "clk_2", "pll_mm1_72M", 0, + 1, 36); + clk[ZX296702_CLK_27] = + clk_register_fixed_factor(NULL, "clk_27", "pll_mm1_54M", 0, + 1, 2); + clk[ZX296702_DECPPU_ACLK_MUX] = + zx_mux("decppu_aclk_mux", decppu_aclk_sel, + ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 6, 2); + clk[ZX296702_PPU_ACLK_MUX] = + zx_mux("ppu_aclk_mux", decppu_aclk_sel, + ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 8, 2); + clk[ZX296702_MALI400_ACLK_MUX] = + zx_mux("mali400_aclk_mux", decppu_aclk_sel, + ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 12, 2); + clk[ZX296702_VOU_ACLK_MUX] = + zx_mux("vou_aclk_mux", decppu_aclk_sel, + ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 10, 2); + clk[ZX296702_VOU_MAIN_WCLK_MUX] = + zx_mux("vou_main_wclk_mux", vou_main_wclk_sel, + ARRAY_SIZE(vou_main_wclk_sel), CLK_MUX, 14, 2); + clk[ZX296702_VOU_AUX_WCLK_MUX] = + zx_mux("vou_aux_wclk_mux", vou_main_wclk_sel, + ARRAY_SIZE(vou_main_wclk_sel), CLK_MUX, 16, 2); + clk[ZX296702_VOU_SCALER_WCLK_MUX] = + zx_mux("vou_scaler_wclk_mux", vou_scaler_wclk_sel, + ARRAY_SIZE(vou_scaler_wclk_sel), CLK_MUX, + 18, 2); + clk[ZX296702_R2D_ACLK_MUX] = + zx_mux("r2d_aclk_mux", decppu_aclk_sel, + ARRAY_SIZE(decppu_aclk_sel), CLK_MUX, 20, 2); + clk[ZX296702_R2D_WCLK_MUX] = + zx_mux("r2d_wclk_mux", r2d_wclk_sel, + ARRAY_SIZE(r2d_wclk_sel), CLK_MUX, 22, 2); + + /* other clock */ + clk[ZX296702_CLK_50] = + clk_register_fixed_factor(NULL, "clk_50", "pll_mac_1000M", + 0, 1, 20); + clk[ZX296702_CLK_25] = + clk_register_fixed_factor(NULL, "clk_25", "pll_mac_1000M", + 0, 1, 40); + clk[ZX296702_CLK_12] = + clk_register_fixed_factor(NULL, "clk_12", "pll_mm1_72M", + 0, 1, 6); + clk[ZX296702_CLK_16M384] = + clk_register_fixed_factor(NULL, "clk_16M384", + "pll_audio_294M912", 0, 1, 18); + clk[ZX296702_CLK_32K768] = + clk_register_fixed_factor(NULL, "clk_32K768", "clk_16M384", + 0, 1, 500); + clk[ZX296702_SEC_WCLK_DIV] = + zx_divtbl("sec_wclk_div", "pll_lsp_104M", CLK_DIV, 6, 3, + sec_wclk_divider); + clk[ZX296702_DDR_WCLK_MUX] = + zx_mux("ddr_wclk_mux", ddr_wclk_sel, + ARRAY_SIZE(ddr_wclk_sel), CLK_MUX, 24, 2); + clk[ZX296702_NAND_WCLK_MUX] = + zx_mux("nand_wclk_mux", nand_wclk_sel, + ARRAY_SIZE(nand_wclk_sel), CLK_MUX, 24, 2); + clk[ZX296702_LSP_26_WCLK_MUX] = + zx_mux("lsp_26_wclk_mux", lsp_26_wclk_sel, + ARRAY_SIZE(lsp_26_wclk_sel), CLK_MUX, 27, 1); + + /* gates */ + clk[ZX296702_A9_AS0_ACLK] = + zx_gate("a9_as0_aclk", "matrix_aclk", CLK_EN0, 0); + clk[ZX296702_A9_AS1_ACLK] = + zx_gate("a9_as1_aclk", "a9_as1_aclk_div", CLK_EN0, 1); + clk[ZX296702_A9_TRACE_CLKIN] = + zx_gate("a9_trace_clkin", "a9_trace_clkin_mux", CLK_EN0, 2); + clk[ZX296702_DECPPU_AXI_M_ACLK] = + zx_gate("decppu_axi_m_aclk", "decppu_aclk_mux", CLK_EN0, 3); + clk[ZX296702_DECPPU_AHB_S_HCLK] = + zx_gate("decppu_ahb_s_hclk", "main_hclk", CLK_EN0, 4); + clk[ZX296702_PPU_AXI_M_ACLK] = + zx_gate("ppu_axi_m_aclk", "ppu_aclk_mux", CLK_EN0, 5); + clk[ZX296702_PPU_AHB_S_HCLK] = + zx_gate("ppu_ahb_s_hclk", "main_hclk", CLK_EN0, 6); + clk[ZX296702_VOU_AXI_M_ACLK] = + zx_gate("vou_axi_m_aclk", "vou_aclk_mux", CLK_EN0, 7); + clk[ZX296702_VOU_APB_PCLK] = + zx_gate("vou_apb_pclk", "main_pclk", CLK_EN0, 8); + clk[ZX296702_VOU_MAIN_CHANNEL_WCLK] = + zx_gate("vou_main_channel_wclk", "vou_main_wclk_mux", + CLK_EN0, 9); + clk[ZX296702_VOU_AUX_CHANNEL_WCLK] = + zx_gate("vou_aux_channel_wclk", "vou_aux_wclk_mux", + CLK_EN0, 10); + clk[ZX296702_VOU_HDMI_OSCLK_CEC] = + zx_gate("vou_hdmi_osclk_cec", "clk_2", CLK_EN0, 11); + clk[ZX296702_VOU_SCALER_WCLK] = + zx_gate("vou_scaler_wclk", "vou_scaler_wclk_mux", CLK_EN0, 12); + clk[ZX296702_MALI400_AXI_M_ACLK] = + zx_gate("mali400_axi_m_aclk", "mali400_aclk_mux", CLK_EN0, 13); + clk[ZX296702_MALI400_APB_PCLK] = + zx_gate("mali400_apb_pclk", "main_pclk", CLK_EN0, 14); + clk[ZX296702_R2D_WCLK] = + zx_gate("r2d_wclk", "r2d_wclk_mux", CLK_EN0, 15); + clk[ZX296702_R2D_AXI_M_ACLK] = + zx_gate("r2d_axi_m_aclk", "r2d_aclk_mux", CLK_EN0, 16); + clk[ZX296702_R2D_AHB_HCLK] = + zx_gate("r2d_ahb_hclk", "main_hclk", CLK_EN0, 17); + clk[ZX296702_DDR3_AXI_S0_ACLK] = + zx_gate("ddr3_axi_s0_aclk", "matrix_aclk", CLK_EN0, 18); + clk[ZX296702_DDR3_APB_PCLK] = + zx_gate("ddr3_apb_pclk", "main_pclk", CLK_EN0, 19); + clk[ZX296702_DDR3_WCLK] = + zx_gate("ddr3_wclk", "ddr_wclk_mux", CLK_EN0, 20); + clk[ZX296702_USB20_0_AHB_HCLK] = + zx_gate("usb20_0_ahb_hclk", "main_hclk", CLK_EN0, 21); + clk[ZX296702_USB20_0_EXTREFCLK] = + zx_gate("usb20_0_extrefclk", "clk_12", CLK_EN0, 22); + clk[ZX296702_USB20_1_AHB_HCLK] = + zx_gate("usb20_1_ahb_hclk", "main_hclk", CLK_EN0, 23); + clk[ZX296702_USB20_1_EXTREFCLK] = + zx_gate("usb20_1_extrefclk", "clk_12", CLK_EN0, 24); + clk[ZX296702_USB20_2_AHB_HCLK] = + zx_gate("usb20_2_ahb_hclk", "main_hclk", CLK_EN0, 25); + clk[ZX296702_USB20_2_EXTREFCLK] = + zx_gate("usb20_2_extrefclk", "clk_12", CLK_EN0, 26); + clk[ZX296702_GMAC_AXI_M_ACLK] = + zx_gate("gmac_axi_m_aclk", "matrix_aclk", CLK_EN0, 27); + clk[ZX296702_GMAC_APB_PCLK] = + zx_gate("gmac_apb_pclk", "main_pclk", CLK_EN0, 28); + clk[ZX296702_GMAC_125_CLKIN] = + zx_gate("gmac_125_clkin", "clk_125", CLK_EN0, 29); + clk[ZX296702_GMAC_RMII_CLKIN] = + zx_gate("gmac_rmii_clkin", "clk_50", CLK_EN0, 30); + clk[ZX296702_GMAC_25M_CLK] = + zx_gate("gmac_25M_clk", "clk_25", CLK_EN0, 31); + clk[ZX296702_NANDFLASH_AHB_HCLK] = + zx_gate("nandflash_ahb_hclk", "main_hclk", CLK_EN1, 0); + clk[ZX296702_NANDFLASH_WCLK] = + zx_gate("nandflash_wclk", "nand_wclk_mux", CLK_EN1, 1); + clk[ZX296702_LSP0_APB_PCLK] = + zx_gate("lsp0_apb_pclk", "main_pclk", CLK_EN1, 2); + clk[ZX296702_LSP0_AHB_HCLK] = + zx_gate("lsp0_ahb_hclk", "main_hclk", CLK_EN1, 3); + clk[ZX296702_LSP0_26M_WCLK] = + zx_gate("lsp0_26M_wclk", "lsp_26_wclk_mux", CLK_EN1, 4); + clk[ZX296702_LSP0_104M_WCLK] = + zx_gate("lsp0_104M_wclk", "pll_lsp_104M", CLK_EN1, 5); + clk[ZX296702_LSP0_16M384_WCLK] = + zx_gate("lsp0_16M384_wclk", "clk_16M384", CLK_EN1, 6); + clk[ZX296702_LSP1_APB_PCLK] = + zx_gate("lsp1_apb_pclk", "main_pclk", CLK_EN1, 7); + /* FIXME: wclk enable bit is bit8. We hack it as reserved 31 for + * UART does not work after parent clk is disabled/enabled */ + clk[ZX296702_LSP1_26M_WCLK] = + zx_gate("lsp1_26M_wclk", "lsp_26_wclk_mux", CLK_EN1, 31); + clk[ZX296702_LSP1_104M_WCLK] = + zx_gate("lsp1_104M_wclk", "pll_lsp_104M", CLK_EN1, 9); + clk[ZX296702_LSP1_32K_CLK] = + zx_gate("lsp1_32K_clk", "clk_32K768", CLK_EN1, 10); + clk[ZX296702_AON_HCLK] = + zx_gate("aon_hclk", "main_hclk", CLK_EN1, 11); + clk[ZX296702_SYS_CTRL_PCLK] = + zx_gate("sys_ctrl_pclk", "main_pclk", CLK_EN1, 12); + clk[ZX296702_DMA_PCLK] = + zx_gate("dma_pclk", "main_pclk", CLK_EN1, 13); + clk[ZX296702_DMA_ACLK] = + zx_gate("dma_aclk", "matrix_aclk", CLK_EN1, 14); + clk[ZX296702_SEC_HCLK] = + zx_gate("sec_hclk", "main_hclk", CLK_EN1, 15); + clk[ZX296702_AES_WCLK] = + zx_gate("aes_wclk", "sec_wclk_div", CLK_EN1, 16); + clk[ZX296702_DES_WCLK] = + zx_gate("des_wclk", "sec_wclk_div", CLK_EN1, 17); + clk[ZX296702_IRAM_ACLK] = + zx_gate("iram_aclk", "matrix_aclk", CLK_EN1, 18); + clk[ZX296702_IROM_ACLK] = + zx_gate("irom_aclk", "matrix_aclk", CLK_EN1, 19); + clk[ZX296702_BOOT_CTRL_HCLK] = + zx_gate("boot_ctrl_hclk", "main_hclk", CLK_EN1, 20); + clk[ZX296702_EFUSE_CLK_30] = + zx_gate("efuse_clk_30", "osc", CLK_EN1, 21); + + /* TODO: add VOU Local clocks */ + clk[ZX296702_VOU_MAIN_CHANNEL_DIV] = + zx_div("vou_main_channel_div", "vou_main_channel_wclk", + VOU_LOCAL_DIV2_SET, 1, 1); + clk[ZX296702_VOU_AUX_CHANNEL_DIV] = + zx_div("vou_aux_channel_div", "vou_aux_channel_wclk", + VOU_LOCAL_DIV2_SET, 0, 1); + clk[ZX296702_VOU_TV_ENC_HD_DIV] = + zx_div("vou_tv_enc_hd_div", "vou_tv_enc_hd_mux", + VOU_LOCAL_DIV2_SET, 3, 1); + clk[ZX296702_VOU_TV_ENC_SD_DIV] = + zx_div("vou_tv_enc_sd_div", "vou_tv_enc_sd_mux", + VOU_LOCAL_DIV2_SET, 2, 1); + clk[ZX296702_VL0_MUX] = + zx_mux("vl0_mux", vl0_sel, ARRAY_SIZE(vl0_sel), + VOU_LOCAL_CLKSEL, 8, 1); + clk[ZX296702_VL1_MUX] = + zx_mux("vl1_mux", vl0_sel, ARRAY_SIZE(vl0_sel), + VOU_LOCAL_CLKSEL, 9, 1); + clk[ZX296702_VL2_MUX] = + zx_mux("vl2_mux", vl0_sel, ARRAY_SIZE(vl0_sel), + VOU_LOCAL_CLKSEL, 10, 1); + clk[ZX296702_GL0_MUX] = + zx_mux("gl0_mux", vl0_sel, ARRAY_SIZE(vl0_sel), + VOU_LOCAL_CLKSEL, 5, 1); + clk[ZX296702_GL1_MUX] = + zx_mux("gl1_mux", vl0_sel, ARRAY_SIZE(vl0_sel), + VOU_LOCAL_CLKSEL, 6, 1); + clk[ZX296702_GL2_MUX] = + zx_mux("gl2_mux", vl0_sel, ARRAY_SIZE(vl0_sel), + VOU_LOCAL_CLKSEL, 7, 1); + clk[ZX296702_WB_MUX] = + zx_mux("wb_mux", vl0_sel, ARRAY_SIZE(vl0_sel), + VOU_LOCAL_CLKSEL, 11, 1); + clk[ZX296702_HDMI_MUX] = + zx_mux("hdmi_mux", hdmi_sel, ARRAY_SIZE(hdmi_sel), + VOU_LOCAL_CLKSEL, 4, 1); + clk[ZX296702_VOU_TV_ENC_HD_MUX] = + zx_mux("vou_tv_enc_hd_mux", hdmi_sel, ARRAY_SIZE(hdmi_sel), + VOU_LOCAL_CLKSEL, 3, 1); + clk[ZX296702_VOU_TV_ENC_SD_MUX] = + zx_mux("vou_tv_enc_sd_mux", hdmi_sel, ARRAY_SIZE(hdmi_sel), + VOU_LOCAL_CLKSEL, 2, 1); + clk[ZX296702_VL0_CLK] = + zx_gate("vl0_clk", "vl0_mux", VOU_LOCAL_CLKEN, 8); + clk[ZX296702_VL1_CLK] = + zx_gate("vl1_clk", "vl1_mux", VOU_LOCAL_CLKEN, 9); + clk[ZX296702_VL2_CLK] = + zx_gate("vl2_clk", "vl2_mux", VOU_LOCAL_CLKEN, 10); + clk[ZX296702_GL0_CLK] = + zx_gate("gl0_clk", "gl0_mux", VOU_LOCAL_CLKEN, 5); + clk[ZX296702_GL1_CLK] = + zx_gate("gl1_clk", "gl1_mux", VOU_LOCAL_CLKEN, 6); + clk[ZX296702_GL2_CLK] = + zx_gate("gl2_clk", "gl2_mux", VOU_LOCAL_CLKEN, 7); + clk[ZX296702_WB_CLK] = + zx_gate("wb_clk", "wb_mux", VOU_LOCAL_CLKEN, 11); + clk[ZX296702_CL_CLK] = + zx_gate("cl_clk", "vou_main_channel_div", VOU_LOCAL_CLKEN, 12); + clk[ZX296702_MAIN_MIX_CLK] = + zx_gate("main_mix_clk", "vou_main_channel_div", + VOU_LOCAL_CLKEN, 4); + clk[ZX296702_AUX_MIX_CLK] = + zx_gate("aux_mix_clk", "vou_aux_channel_div", + VOU_LOCAL_CLKEN, 3); + clk[ZX296702_HDMI_CLK] = + zx_gate("hdmi_clk", "hdmi_mux", VOU_LOCAL_CLKEN, 2); + clk[ZX296702_VOU_TV_ENC_HD_DAC_CLK] = + zx_gate("vou_tv_enc_hd_dac_clk", "vou_tv_enc_hd_div", + VOU_LOCAL_CLKEN, 1); + clk[ZX296702_VOU_TV_ENC_SD_DAC_CLK] = + zx_gate("vou_tv_enc_sd_dac_clk", "vou_tv_enc_sd_div", + VOU_LOCAL_CLKEN, 0); + + /* CA9 PERIPHCLK = a9_wclk / 2 */ + clk[ZX296702_A9_PERIPHCLK] = + clk_register_fixed_factor(NULL, "a9_periphclk", "a9_wclk", + 0, 1, 2); + + for (i = 0; i < ARRAY_SIZE(topclk); i++) { + if (IS_ERR(clk[i])) { + pr_err("zx296702 clk %d: register failed with %ld\n", + i, PTR_ERR(clk[i])); + return; + } + } + + topclk_data.clks = topclk; + topclk_data.clk_num = ARRAY_SIZE(topclk); + of_clk_add_provider(np, of_clk_src_onecell_get, &topclk_data); +} +CLK_OF_DECLARE(zx296702_top_clk, "zte,zx296702-topcrm-clk", + zx296702_top_clocks_init); + +static void __init zx296702_lsp0_clocks_init(struct device_node *np) +{ + struct clk **clk = lsp0clk; + int i; + + lsp0crpm_base = of_iomap(np, 0); + WARN_ON(!lsp0crpm_base); + + /* SDMMC1 */ + clk[ZX296702_SDMMC1_WCLK_MUX] = + zx_mux("sdmmc1_wclk_mux", sdmmc1_wclk_sel, + ARRAY_SIZE(sdmmc1_wclk_sel), CLK_SDMMC1, 4, 1); + clk[ZX296702_SDMMC1_WCLK_DIV] = + zx_div("sdmmc1_wclk_div", "sdmmc1_wclk_mux", CLK_SDMMC1, 12, 4); + clk[ZX296702_SDMMC1_WCLK] = + zx_gate("sdmmc1_wclk", "sdmmc1_wclk_div", CLK_SDMMC1, 1); + clk[ZX296702_SDMMC1_PCLK] = + zx_gate("sdmmc1_pclk", "lsp0_apb_pclk", CLK_SDMMC1, 0); + + clk[ZX296702_GPIO_CLK] = + zx_gate("gpio_clk", "lsp0_apb_pclk", CLK_GPIO, 0); + + /* SPDIF */ + clk[ZX296702_SPDIF0_WCLK_MUX] = + zx_mux("spdif0_wclk_mux", spdif0_wclk_sel, + ARRAY_SIZE(spdif0_wclk_sel), CLK_SPDIF0, 4, 1); + clk[ZX296702_SPDIF0_WCLK] = + zx_gate("spdif0_wclk", "spdif0_wclk_mux", CLK_SPDIF0, 1); + clk[ZX296702_SPDIF0_PCLK] = + zx_gate("spdif0_pclk", "lsp0_apb_pclk", CLK_SPDIF0, 0); + + clk[ZX296702_SPDIF0_DIV] = + clk_register_zx_audio("spdif0_div", "spdif0_wclk", 0, + SPDIF0_DIV); + + /* I2S */ + clk[ZX296702_I2S0_WCLK_MUX] = + zx_mux("i2s0_wclk_mux", i2s_wclk_sel, + ARRAY_SIZE(i2s_wclk_sel), CLK_I2S0, 4, 1); + clk[ZX296702_I2S0_WCLK] = + zx_gate("i2s0_wclk", "i2s0_wclk_mux", CLK_I2S0, 1); + clk[ZX296702_I2S0_PCLK] = + zx_gate("i2s0_pclk", "lsp0_apb_pclk", CLK_I2S0, 0); + + clk[ZX296702_I2S0_DIV] = + clk_register_zx_audio("i2s0_div", "i2s0_wclk", 0, I2S0_DIV); + + clk[ZX296702_I2S1_WCLK_MUX] = + zx_mux("i2s1_wclk_mux", i2s_wclk_sel, + ARRAY_SIZE(i2s_wclk_sel), CLK_I2S1, 4, 1); + clk[ZX296702_I2S1_WCLK] = + zx_gate("i2s1_wclk", "i2s1_wclk_mux", CLK_I2S1, 1); + clk[ZX296702_I2S1_PCLK] = + zx_gate("i2s1_pclk", "lsp0_apb_pclk", CLK_I2S1, 0); + + clk[ZX296702_I2S1_DIV] = + clk_register_zx_audio("i2s1_div", "i2s1_wclk", 0, I2S1_DIV); + + clk[ZX296702_I2S2_WCLK_MUX] = + zx_mux("i2s2_wclk_mux", i2s_wclk_sel, + ARRAY_SIZE(i2s_wclk_sel), CLK_I2S2, 4, 1); + clk[ZX296702_I2S2_WCLK] = + zx_gate("i2s2_wclk", "i2s2_wclk_mux", CLK_I2S2, 1); + clk[ZX296702_I2S2_PCLK] = + zx_gate("i2s2_pclk", "lsp0_apb_pclk", CLK_I2S2, 0); + + clk[ZX296702_I2S2_DIV] = + clk_register_zx_audio("i2s2_div", "i2s2_wclk", 0, I2S2_DIV); + + for (i = 0; i < ARRAY_SIZE(lsp0clk); i++) { + if (IS_ERR(clk[i])) { + pr_err("zx296702 clk %d: register failed with %ld\n", + i, PTR_ERR(clk[i])); + return; + } + } + + lsp0clk_data.clks = lsp0clk; + lsp0clk_data.clk_num = ARRAY_SIZE(lsp0clk); + of_clk_add_provider(np, of_clk_src_onecell_get, &lsp0clk_data); +} +CLK_OF_DECLARE(zx296702_lsp0_clk, "zte,zx296702-lsp0crpm-clk", + zx296702_lsp0_clocks_init); + +static void __init zx296702_lsp1_clocks_init(struct device_node *np) +{ + struct clk **clk = lsp1clk; + int i; + + lsp1crpm_base = of_iomap(np, 0); + WARN_ON(!lsp1crpm_base); + + /* UART0 */ + clk[ZX296702_UART0_WCLK_MUX] = + zx_mux("uart0_wclk_mux", uart_wclk_sel, + ARRAY_SIZE(uart_wclk_sel), CLK_UART0, 4, 1); + /* FIXME: uart wclk enable bit is bit1 in. We hack it as reserved 31 for + * UART does not work after parent clk is disabled/enabled */ + clk[ZX296702_UART0_WCLK] = + zx_gate("uart0_wclk", "uart0_wclk_mux", CLK_UART0, 31); + clk[ZX296702_UART0_PCLK] = + zx_gate("uart0_pclk", "lsp1_apb_pclk", CLK_UART0, 0); + + /* UART1 */ + clk[ZX296702_UART1_WCLK_MUX] = + zx_mux("uart1_wclk_mux", uart_wclk_sel, + ARRAY_SIZE(uart_wclk_sel), CLK_UART1, 4, 1); + clk[ZX296702_UART1_WCLK] = + zx_gate("uart1_wclk", "uart1_wclk_mux", CLK_UART1, 1); + clk[ZX296702_UART1_PCLK] = + zx_gate("uart1_pclk", "lsp1_apb_pclk", CLK_UART1, 0); + + /* SDMMC0 */ + clk[ZX296702_SDMMC0_WCLK_MUX] = + zx_mux("sdmmc0_wclk_mux", sdmmc0_wclk_sel, + ARRAY_SIZE(sdmmc0_wclk_sel), CLK_SDMMC0, 4, 1); + clk[ZX296702_SDMMC0_WCLK_DIV] = + zx_div("sdmmc0_wclk_div", "sdmmc0_wclk_mux", CLK_SDMMC0, 12, 4); + clk[ZX296702_SDMMC0_WCLK] = + zx_gate("sdmmc0_wclk", "sdmmc0_wclk_div", CLK_SDMMC0, 1); + clk[ZX296702_SDMMC0_PCLK] = + zx_gate("sdmmc0_pclk", "lsp1_apb_pclk", CLK_SDMMC0, 0); + + clk[ZX296702_SPDIF1_WCLK_MUX] = + zx_mux("spdif1_wclk_mux", spdif1_wclk_sel, + ARRAY_SIZE(spdif1_wclk_sel), CLK_SPDIF1, 4, 1); + clk[ZX296702_SPDIF1_WCLK] = + zx_gate("spdif1_wclk", "spdif1_wclk_mux", CLK_SPDIF1, 1); + clk[ZX296702_SPDIF1_PCLK] = + zx_gate("spdif1_pclk", "lsp1_apb_pclk", CLK_SPDIF1, 0); + + clk[ZX296702_SPDIF1_DIV] = + clk_register_zx_audio("spdif1_div", "spdif1_wclk", 0, + SPDIF1_DIV); + + for (i = 0; i < ARRAY_SIZE(lsp1clk); i++) { + if (IS_ERR(clk[i])) { + pr_err("zx296702 clk %d: register failed with %ld\n", + i, PTR_ERR(clk[i])); + return; + } + } + + lsp1clk_data.clks = lsp1clk; + lsp1clk_data.clk_num = ARRAY_SIZE(lsp1clk); + of_clk_add_provider(np, of_clk_src_onecell_get, &lsp1clk_data); +} +CLK_OF_DECLARE(zx296702_lsp1_clk, "zte,zx296702-lsp1crpm-clk", + zx296702_lsp1_clocks_init); diff --git a/drivers/clk/zte/clk-zx296718.c b/drivers/clk/zte/clk-zx296718.c new file mode 100644 index 000000000..8dfb8523b --- /dev/null +++ b/drivers/clk/zte/clk-zx296718.c @@ -0,0 +1,1077 @@ +/* + * Copyright (C) 2015 - 2016 ZTE Corporation. + * Copyright (C) 2016 Linaro Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include <dt-bindings/clock/zx296718-clock.h> +#include "clk.h" + +/* TOP CRM */ +#define TOP_CLK_MUX0 0x04 +#define TOP_CLK_MUX1 0x08 +#define TOP_CLK_MUX2 0x0c +#define TOP_CLK_MUX3 0x10 +#define TOP_CLK_MUX4 0x14 +#define TOP_CLK_MUX5 0x18 +#define TOP_CLK_MUX6 0x1c +#define TOP_CLK_MUX7 0x20 +#define TOP_CLK_MUX9 0x28 + + +#define TOP_CLK_GATE0 0x34 +#define TOP_CLK_GATE1 0x38 +#define TOP_CLK_GATE2 0x3c +#define TOP_CLK_GATE3 0x40 +#define TOP_CLK_GATE4 0x44 +#define TOP_CLK_GATE5 0x48 +#define TOP_CLK_GATE6 0x4c + +#define TOP_CLK_DIV0 0x58 + +#define PLL_CPU_REG 0x80 +#define PLL_VGA_REG 0xb0 +#define PLL_DDR_REG 0xa0 + +/* LSP0 CRM */ +#define LSP0_TIMER3_CLK 0x4 +#define LSP0_TIMER4_CLK 0x8 +#define LSP0_TIMER5_CLK 0xc +#define LSP0_UART3_CLK 0x10 +#define LSP0_UART1_CLK 0x14 +#define LSP0_UART2_CLK 0x18 +#define LSP0_SPIFC0_CLK 0x1c +#define LSP0_I2C4_CLK 0x20 +#define LSP0_I2C5_CLK 0x24 +#define LSP0_SSP0_CLK 0x28 +#define LSP0_SSP1_CLK 0x2c +#define LSP0_USIM0_CLK 0x30 +#define LSP0_GPIO_CLK 0x34 +#define LSP0_I2C3_CLK 0x38 + +/* LSP1 CRM */ +#define LSP1_UART4_CLK 0x08 +#define LSP1_UART5_CLK 0x0c +#define LSP1_PWM_CLK 0x10 +#define LSP1_I2C2_CLK 0x14 +#define LSP1_SSP2_CLK 0x1c +#define LSP1_SSP3_CLK 0x20 +#define LSP1_SSP4_CLK 0x24 +#define LSP1_USIM1_CLK 0x28 + +/* audio lsp */ +#define AUDIO_I2S0_DIV_CFG1 0x10 +#define AUDIO_I2S0_DIV_CFG2 0x14 +#define AUDIO_I2S0_CLK 0x18 +#define AUDIO_I2S1_DIV_CFG1 0x20 +#define AUDIO_I2S1_DIV_CFG2 0x24 +#define AUDIO_I2S1_CLK 0x28 +#define AUDIO_I2S2_DIV_CFG1 0x30 +#define AUDIO_I2S2_DIV_CFG2 0x34 +#define AUDIO_I2S2_CLK 0x38 +#define AUDIO_I2S3_DIV_CFG1 0x40 +#define AUDIO_I2S3_DIV_CFG2 0x44 +#define AUDIO_I2S3_CLK 0x48 +#define AUDIO_I2C0_CLK 0x50 +#define AUDIO_SPDIF0_DIV_CFG1 0x60 +#define AUDIO_SPDIF0_DIV_CFG2 0x64 +#define AUDIO_SPDIF0_CLK 0x68 +#define AUDIO_SPDIF1_DIV_CFG1 0x70 +#define AUDIO_SPDIF1_DIV_CFG2 0x74 +#define AUDIO_SPDIF1_CLK 0x78 +#define AUDIO_TIMER_CLK 0x80 +#define AUDIO_TDM_CLK 0x90 +#define AUDIO_TS_CLK 0xa0 + +static DEFINE_SPINLOCK(clk_lock); + +static const struct zx_pll_config pll_cpu_table[] = { + PLL_RATE(1312000000, 0x00103621, 0x04aaaaaa), + PLL_RATE(1407000000, 0x00103a21, 0x04aaaaaa), + PLL_RATE(1503000000, 0x00103e21, 0x04aaaaaa), + PLL_RATE(1600000000, 0x00104221, 0x04aaaaaa), +}; + +static const struct zx_pll_config pll_vga_table[] = { + PLL_RATE(36000000, 0x00102464, 0x04000000), /* 800x600@56 */ + PLL_RATE(40000000, 0x00102864, 0x04000000), /* 800x600@60 */ + PLL_RATE(49500000, 0x00103164, 0x04800000), /* 800x600@75 */ + PLL_RATE(50000000, 0x00103264, 0x04000000), /* 800x600@72 */ + PLL_RATE(56250000, 0x00103864, 0x04400000), /* 800x600@85 */ + PLL_RATE(65000000, 0x00104164, 0x04000000), /* 1024x768@60 */ + PLL_RATE(74375000, 0x00104a64, 0x04600000), /* 1280x720@60 */ + PLL_RATE(75000000, 0x00104b64, 0x04800000), /* 1024x768@70 */ + PLL_RATE(78750000, 0x00104e64, 0x04c00000), /* 1024x768@75 */ + PLL_RATE(85500000, 0x00105564, 0x04800000), /* 1360x768@60 */ + PLL_RATE(106500000, 0x00106a64, 0x04800000), /* 1440x900@60 */ + PLL_RATE(108000000, 0x00106c64, 0x04000000), /* 1280x1024@60 */ + PLL_RATE(110000000, 0x00106e64, 0x04000000), /* 1024x768@85 */ + PLL_RATE(135000000, 0x00105a44, 0x04000000), /* 1280x1024@75 */ + PLL_RATE(136750000, 0x00104462, 0x04600000), /* 1440x900@75 */ + PLL_RATE(148500000, 0x00104a62, 0x04400000), /* 1920x1080@60 */ + PLL_RATE(157000000, 0x00104e62, 0x04800000), /* 1440x900@85 */ + PLL_RATE(157500000, 0x00104e62, 0x04c00000), /* 1280x1024@85 */ + PLL_RATE(162000000, 0x00105162, 0x04000000), /* 1600x1200@60 */ + PLL_RATE(193250000, 0x00106062, 0x04a00000), /* 1920x1200@60 */ +}; + +PNAME(osc) = { + "osc24m", + "osc32k", +}; + +PNAME(dbg_wclk_p) = { + "clk334m", + "clk466m", + "clk396m", + "clk250m", +}; + +PNAME(a72_coreclk_p) = { + "osc24m", + "pll_mm0_1188m", + "pll_mm1_1296m", + "clk1000m", + "clk648m", + "clk1600m", + "pll_audio_1800m", + "pll_vga_1800m", +}; + +PNAME(cpu_periclk_p) = { + "osc24m", + "clk500m", + "clk594m", + "clk466m", + "clk294m", + "clk334m", + "clk250m", + "clk125m", +}; + +PNAME(a53_coreclk_p) = { + "osc24m", + "clk1000m", + "pll_mm0_1188m", + "clk648m", + "clk500m", + "clk800m", + "clk1600m", + "pll_audio_1800m", +}; + +PNAME(sec_wclk_p) = { + "osc24m", + "clk396m", + "clk334m", + "clk297m", + "clk250m", + "clk198m", + "clk148m5", + "clk99m", +}; + +PNAME(sd_nand_wclk_p) = { + "osc24m", + "clk49m5", + "clk99m", + "clk198m", + "clk167m", + "clk148m5", + "clk125m", + "clk216m", +}; + +PNAME(emmc_wclk_p) = { + "osc24m", + "clk198m", + "clk99m", + "clk396m", + "clk334m", + "clk297m", + "clk250m", + "clk148m5", +}; + +PNAME(clk32_p) = { + "osc32k", + "clk32k768", +}; + +PNAME(usb_ref24m_p) = { + "osc32k", + "clk32k768", +}; + +PNAME(sys_noc_alck_p) = { + "osc24m", + "clk250m", + "clk198m", + "clk148m5", + "clk108m", + "clk54m", + "clk216m", + "clk240m", +}; + +PNAME(vde_aclk_p) = { + "clk334m", + "clk594m", + "clk500m", + "clk432m", + "clk480m", + "clk297m", + "clk_vga", /*600MHz*/ + "clk294m", +}; + +PNAME(vce_aclk_p) = { + "clk334m", + "clk594m", + "clk500m", + "clk432m", + "clk396m", + "clk297m", + "clk_vga", /*600MHz*/ + "clk294m", +}; + +PNAME(hde_aclk_p) = { + "clk334m", + "clk594m", + "clk500m", + "clk432m", + "clk396m", + "clk297m", + "clk_vga", /*600MHz*/ + "clk294m", +}; + +PNAME(gpu_aclk_p) = { + "clk334m", + "clk648m", + "clk594m", + "clk500m", + "clk396m", + "clk297m", + "clk_vga", /*600MHz*/ + "clk294m", +}; + +PNAME(sappu_aclk_p) = { + "clk396m", + "clk500m", + "clk250m", + "clk148m5", +}; + +PNAME(sappu_wclk_p) = { + "clk198m", + "clk396m", + "clk334m", + "clk297m", + "clk250m", + "clk148m5", + "clk125m", + "clk99m", +}; + +PNAME(vou_aclk_p) = { + "clk334m", + "clk594m", + "clk500m", + "clk432m", + "clk396m", + "clk297m", + "clk_vga", /*600MHz*/ + "clk294m", +}; + +PNAME(vou_main_wclk_p) = { + "clk108m", + "clk594m", + "clk297m", + "clk148m5", + "clk74m25", + "clk54m", + "clk27m", + "clk_vga", +}; + +PNAME(vou_aux_wclk_p) = { + "clk108m", + "clk148m5", + "clk74m25", + "clk54m", + "clk27m", + "clk_vga", + "clk54m_mm0", + "clk" +}; + +PNAME(vou_ppu_wclk_p) = { + "clk334m", + "clk432m", + "clk396m", + "clk297m", + "clk250m", + "clk125m", + "clk198m", + "clk99m", +}; + +PNAME(vga_i2c_wclk_p) = { + "osc24m", + "clk99m", +}; + +PNAME(viu_m0_aclk_p) = { + "clk334m", + "clk432m", + "clk396m", + "clk297m", + "clk250m", + "clk125m", + "clk198m", + "osc24m", +}; + +PNAME(viu_m1_aclk_p) = { + "clk198m", + "clk250m", + "clk297m", + "clk125m", + "clk396m", + "clk334m", + "clk148m5", + "osc24m", +}; + +PNAME(viu_clk_p) = { + "clk198m", + "clk334m", + "clk297m", + "clk250m", + "clk396m", + "clk125m", + "clk99m", + "clk148m5", +}; + +PNAME(viu_jpeg_clk_p) = { + "clk334m", + "clk480m", + "clk432m", + "clk396m", + "clk297m", + "clk250m", + "clk125m", + "clk198m", +}; + +PNAME(ts_sys_clk_p) = { + "clk192m", + "clk167m", + "clk125m", + "clk99m", +}; + +PNAME(wdt_ares_p) = { + "osc24m", + "clk32k" +}; + +static struct clk_zx_pll zx296718_pll_clk[] = { + ZX296718_PLL("pll_cpu", "osc24m", PLL_CPU_REG, pll_cpu_table), + ZX296718_PLL("pll_vga", "osc24m", PLL_VGA_REG, pll_vga_table), +}; + +static struct zx_clk_fixed_factor top_ffactor_clk[] = { + FFACTOR(0, "clk4m", "osc24m", 1, 6, 0), + FFACTOR(0, "clk2m", "osc24m", 1, 12, 0), + /* pll cpu */ + FFACTOR(0, "clk1600m", "pll_cpu", 1, 1, CLK_SET_RATE_PARENT), + FFACTOR(0, "clk800m", "pll_cpu", 1, 2, CLK_SET_RATE_PARENT), + /* pll mac */ + FFACTOR(0, "clk25m", "pll_mac", 1, 40, 0), + FFACTOR(0, "clk125m", "pll_mac", 1, 8, 0), + FFACTOR(0, "clk250m", "pll_mac", 1, 4, 0), + FFACTOR(0, "clk50m", "pll_mac", 1, 20, 0), + FFACTOR(0, "clk500m", "pll_mac", 1, 2, 0), + FFACTOR(0, "clk1000m", "pll_mac", 1, 1, 0), + FFACTOR(0, "clk334m", "pll_mac", 1, 3, 0), + FFACTOR(0, "clk167m", "pll_mac", 1, 6, 0), + /* pll mm */ + FFACTOR(0, "clk54m_mm0", "pll_mm0", 1, 22, 0), + FFACTOR(0, "clk74m25", "pll_mm0", 1, 16, 0), + FFACTOR(0, "clk148m5", "pll_mm0", 1, 8, 0), + FFACTOR(0, "clk297m", "pll_mm0", 1, 4, 0), + FFACTOR(0, "clk594m", "pll_mm0", 1, 2, 0), + FFACTOR(0, "pll_mm0_1188m", "pll_mm0", 1, 1, 0), + FFACTOR(0, "clk396m", "pll_mm0", 1, 3, 0), + FFACTOR(0, "clk198m", "pll_mm0", 1, 6, 0), + FFACTOR(0, "clk99m", "pll_mm0", 1, 12, 0), + FFACTOR(0, "clk49m5", "pll_mm0", 1, 24, 0), + /* pll mm */ + FFACTOR(0, "clk324m", "pll_mm1", 1, 4, 0), + FFACTOR(0, "clk648m", "pll_mm1", 1, 2, 0), + FFACTOR(0, "pll_mm1_1296m", "pll_mm1", 1, 1, 0), + FFACTOR(0, "clk216m", "pll_mm1", 1, 6, 0), + FFACTOR(0, "clk432m", "pll_mm1", 1, 3, 0), + FFACTOR(0, "clk108m", "pll_mm1", 1, 12, 0), + FFACTOR(0, "clk72m", "pll_mm1", 1, 18, 0), + FFACTOR(0, "clk27m", "pll_mm1", 1, 48, 0), + FFACTOR(0, "clk54m", "pll_mm1", 1, 24, 0), + /* vga */ + FFACTOR(0, "pll_vga_1800m", "pll_vga", 1, 1, 0), + FFACTOR(0, "clk_vga", "pll_vga", 1, 1, CLK_SET_RATE_PARENT), + /* pll ddr */ + FFACTOR(0, "clk466m", "pll_ddr", 1, 2, 0), + + /* pll audio */ + FFACTOR(0, "pll_audio_1800m", "pll_audio", 1, 1, 0), + FFACTOR(0, "clk32k768", "pll_audio", 1, 27000, 0), + FFACTOR(0, "clk16m384", "pll_audio", 1, 54, 0), + FFACTOR(0, "clk294m", "pll_audio", 1, 3, 0), + + /* pll hsic*/ + FFACTOR(0, "clk240m", "pll_hsic", 1, 4, 0), + FFACTOR(0, "clk480m", "pll_hsic", 1, 2, 0), + FFACTOR(0, "clk192m", "pll_hsic", 1, 5, 0), + FFACTOR(0, "clk_pll_24m", "pll_hsic", 1, 40, 0), + FFACTOR(0, "emmc_mux_div2", "emmc_mux", 1, 2, CLK_SET_RATE_PARENT), +}; + +static const struct clk_div_table noc_div_table[] = { + { .val = 1, .div = 2, }, + { .val = 3, .div = 4, }, +}; +static struct zx_clk_div top_div_clk[] = { + DIV_T(0, "sys_noc_hclk", "sys_noc_aclk", TOP_CLK_DIV0, 0, 2, 0, noc_div_table), + DIV_T(0, "sys_noc_pclk", "sys_noc_aclk", TOP_CLK_DIV0, 4, 2, 0, noc_div_table), +}; + +static struct zx_clk_mux top_mux_clk[] = { + MUX(0, "dbg_mux", dbg_wclk_p, TOP_CLK_MUX0, 12, 2), + MUX(0, "a72_mux", a72_coreclk_p, TOP_CLK_MUX0, 8, 3), + MUX(0, "cpu_peri_mux", cpu_periclk_p, TOP_CLK_MUX0, 4, 3), + MUX_F(0, "a53_mux", a53_coreclk_p, TOP_CLK_MUX0, 0, 3, CLK_SET_RATE_PARENT, 0), + MUX(0, "sys_noc_aclk", sys_noc_alck_p, TOP_CLK_MUX1, 0, 3), + MUX(0, "sec_mux", sec_wclk_p, TOP_CLK_MUX2, 16, 3), + MUX(0, "sd1_mux", sd_nand_wclk_p, TOP_CLK_MUX2, 12, 3), + MUX(0, "sd0_mux", sd_nand_wclk_p, TOP_CLK_MUX2, 8, 3), + MUX(0, "emmc_mux", emmc_wclk_p, TOP_CLK_MUX2, 4, 3), + MUX(0, "nand_mux", sd_nand_wclk_p, TOP_CLK_MUX2, 0, 3), + MUX(0, "usb_ref24m_mux", usb_ref24m_p, TOP_CLK_MUX9, 16, 1), + MUX(0, "clk32k", clk32_p, TOP_CLK_MUX9, 12, 1), + MUX_F(0, "wdt_mux", wdt_ares_p, TOP_CLK_MUX9, 8, 1, CLK_SET_RATE_PARENT, 0), + MUX(0, "timer_mux", osc, TOP_CLK_MUX9, 4, 1), + MUX(0, "vde_mux", vde_aclk_p, TOP_CLK_MUX4, 0, 3), + MUX(0, "vce_mux", vce_aclk_p, TOP_CLK_MUX4, 4, 3), + MUX(0, "hde_mux", hde_aclk_p, TOP_CLK_MUX4, 8, 3), + MUX(0, "gpu_mux", gpu_aclk_p, TOP_CLK_MUX5, 0, 3), + MUX(0, "sappu_a_mux", sappu_aclk_p, TOP_CLK_MUX5, 4, 2), + MUX(0, "sappu_w_mux", sappu_wclk_p, TOP_CLK_MUX5, 8, 3), + MUX(0, "vou_a_mux", vou_aclk_p, TOP_CLK_MUX7, 0, 3), + MUX_F(0, "vou_main_w_mux", vou_main_wclk_p, TOP_CLK_MUX7, 4, 3, CLK_SET_RATE_PARENT, 0), + MUX_F(0, "vou_aux_w_mux", vou_aux_wclk_p, TOP_CLK_MUX7, 8, 3, CLK_SET_RATE_PARENT, 0), + MUX(0, "vou_ppu_w_mux", vou_ppu_wclk_p, TOP_CLK_MUX7, 12, 3), + MUX(0, "vga_i2c_mux", vga_i2c_wclk_p, TOP_CLK_MUX7, 16, 1), + MUX(0, "viu_m0_a_mux", viu_m0_aclk_p, TOP_CLK_MUX6, 0, 3), + MUX(0, "viu_m1_a_mux", viu_m1_aclk_p, TOP_CLK_MUX6, 4, 3), + MUX(0, "viu_w_mux", viu_clk_p, TOP_CLK_MUX6, 8, 3), + MUX(0, "viu_jpeg_w_mux", viu_jpeg_clk_p, TOP_CLK_MUX6, 12, 3), + MUX(0, "ts_sys_mux", ts_sys_clk_p, TOP_CLK_MUX6, 16, 2), +}; + +static struct zx_clk_gate top_gate_clk[] = { + GATE(CPU_DBG_GATE, "dbg_wclk", "dbg_mux", TOP_CLK_GATE0, 4, CLK_SET_RATE_PARENT, 0), + GATE(A72_GATE, "a72_coreclk", "a72_mux", TOP_CLK_GATE0, 3, CLK_SET_RATE_PARENT, 0), + GATE(CPU_PERI_GATE, "cpu_peri", "cpu_peri_mux", TOP_CLK_GATE0, 1, CLK_SET_RATE_PARENT, 0), + GATE(A53_GATE, "a53_coreclk", "a53_mux", TOP_CLK_GATE0, 0, CLK_SET_RATE_PARENT, 0), + GATE(SD1_WCLK, "sd1_wclk", "sd1_mux", TOP_CLK_GATE1, 13, CLK_SET_RATE_PARENT, 0), + GATE(SD0_WCLK, "sd0_wclk", "sd0_mux", TOP_CLK_GATE1, 9, CLK_SET_RATE_PARENT, 0), + GATE(EMMC_WCLK, "emmc_wclk", "emmc_mux_div2", TOP_CLK_GATE0, 5, CLK_SET_RATE_PARENT, 0), + GATE(EMMC_NAND_AXI, "emmc_nand_aclk", "sys_noc_aclk", TOP_CLK_GATE1, 4, CLK_SET_RATE_PARENT, 0), + GATE(NAND_WCLK, "nand_wclk", "nand_mux", TOP_CLK_GATE0, 1, CLK_SET_RATE_PARENT, 0), + GATE(EMMC_NAND_AHB, "emmc_nand_hclk", "sys_noc_hclk", TOP_CLK_GATE1, 0, CLK_SET_RATE_PARENT, 0), + GATE(0, "lsp1_pclk", "sys_noc_pclk", TOP_CLK_GATE2, 31, 0, 0), + GATE(LSP1_148M5, "lsp1_148m5", "clk148m5", TOP_CLK_GATE2, 30, 0, 0), + GATE(LSP1_99M, "lsp1_99m", "clk99m", TOP_CLK_GATE2, 29, 0, 0), + GATE(LSP1_24M, "lsp1_24m", "osc24m", TOP_CLK_GATE2, 28, 0, 0), + GATE(LSP0_74M25, "lsp0_74m25", "clk74m25", TOP_CLK_GATE2, 25, 0, 0), + GATE(0, "lsp0_pclk", "sys_noc_pclk", TOP_CLK_GATE2, 24, 0, 0), + GATE(LSP0_32K, "lsp0_32k", "osc32k", TOP_CLK_GATE2, 23, 0, 0), + GATE(LSP0_148M5, "lsp0_148m5", "clk148m5", TOP_CLK_GATE2, 22, 0, 0), + GATE(LSP0_99M, "lsp0_99m", "clk99m", TOP_CLK_GATE2, 21, 0, 0), + GATE(LSP0_24M, "lsp0_24m", "osc24m", TOP_CLK_GATE2, 20, 0, 0), + GATE(AUDIO_99M, "audio_99m", "clk99m", TOP_CLK_GATE5, 27, 0, 0), + GATE(AUDIO_24M, "audio_24m", "osc24m", TOP_CLK_GATE5, 28, 0, 0), + GATE(AUDIO_16M384, "audio_16m384", "clk16m384", TOP_CLK_GATE5, 29, 0, 0), + GATE(AUDIO_32K, "audio_32k", "clk32k", TOP_CLK_GATE5, 30, 0, 0), + GATE(WDT_WCLK, "wdt_wclk", "wdt_mux", TOP_CLK_GATE6, 9, CLK_SET_RATE_PARENT, 0), + GATE(TIMER_WCLK, "timer_wclk", "timer_mux", TOP_CLK_GATE6, 5, CLK_SET_RATE_PARENT, 0), + GATE(VDE_ACLK, "vde_aclk", "vde_mux", TOP_CLK_GATE3, 0, CLK_SET_RATE_PARENT, 0), + GATE(VCE_ACLK, "vce_aclk", "vce_mux", TOP_CLK_GATE3, 4, CLK_SET_RATE_PARENT, 0), + GATE(HDE_ACLK, "hde_aclk", "hde_mux", TOP_CLK_GATE3, 8, CLK_SET_RATE_PARENT, 0), + GATE(GPU_ACLK, "gpu_aclk", "gpu_mux", TOP_CLK_GATE3, 16, CLK_SET_RATE_PARENT, 0), + GATE(SAPPU_ACLK, "sappu_aclk", "sappu_a_mux", TOP_CLK_GATE3, 20, CLK_SET_RATE_PARENT, 0), + GATE(SAPPU_WCLK, "sappu_wclk", "sappu_w_mux", TOP_CLK_GATE3, 22, CLK_SET_RATE_PARENT, 0), + GATE(VOU_ACLK, "vou_aclk", "vou_a_mux", TOP_CLK_GATE4, 16, CLK_SET_RATE_PARENT, 0), + GATE(VOU_MAIN_WCLK, "vou_main_wclk", "vou_main_w_mux", TOP_CLK_GATE4, 18, CLK_SET_RATE_PARENT, 0), + GATE(VOU_AUX_WCLK, "vou_aux_wclk", "vou_aux_w_mux", TOP_CLK_GATE4, 19, CLK_SET_RATE_PARENT, 0), + GATE(VOU_PPU_WCLK, "vou_ppu_wclk", "vou_ppu_w_mux", TOP_CLK_GATE4, 20, CLK_SET_RATE_PARENT, 0), + GATE(MIPI_CFG_CLK, "mipi_cfg_clk", "osc24m", TOP_CLK_GATE4, 21, 0, 0), + GATE(VGA_I2C_WCLK, "vga_i2c_wclk", "vga_i2c_mux", TOP_CLK_GATE4, 23, CLK_SET_RATE_PARENT, 0), + GATE(MIPI_REF_CLK, "mipi_ref_clk", "clk27m", TOP_CLK_GATE4, 24, 0, 0), + GATE(HDMI_OSC_CEC, "hdmi_osc_cec", "clk2m", TOP_CLK_GATE4, 22, 0, 0), + GATE(HDMI_OSC_CLK, "hdmi_osc_clk", "clk240m", TOP_CLK_GATE4, 25, 0, 0), + GATE(HDMI_XCLK, "hdmi_xclk", "osc24m", TOP_CLK_GATE4, 26, 0, 0), + GATE(VIU_M0_ACLK, "viu_m0_aclk", "viu_m0_a_mux", TOP_CLK_GATE4, 0, CLK_SET_RATE_PARENT, 0), + GATE(VIU_M1_ACLK, "viu_m1_aclk", "viu_m1_a_mux", TOP_CLK_GATE4, 1, CLK_SET_RATE_PARENT, 0), + GATE(VIU_WCLK, "viu_wclk", "viu_w_mux", TOP_CLK_GATE4, 2, CLK_SET_RATE_PARENT, 0), + GATE(VIU_JPEG_WCLK, "viu_jpeg_wclk", "viu_jpeg_w_mux", TOP_CLK_GATE4, 3, CLK_SET_RATE_PARENT, 0), + GATE(VIU_CFG_CLK, "viu_cfg_clk", "osc24m", TOP_CLK_GATE4, 6, 0, 0), + GATE(TS_SYS_WCLK, "ts_sys_wclk", "ts_sys_mux", TOP_CLK_GATE5, 2, CLK_SET_RATE_PARENT, 0), + GATE(TS_SYS_108M, "ts_sys_108m", "clk108m", TOP_CLK_GATE5, 3, 0, 0), + GATE(USB20_HCLK, "usb20_hclk", "sys_noc_hclk", TOP_CLK_GATE2, 12, 0, 0), + GATE(USB20_PHY_CLK, "usb20_phy_clk", "usb_ref24m_mux", TOP_CLK_GATE2, 13, 0, 0), + GATE(USB21_HCLK, "usb21_hclk", "sys_noc_hclk", TOP_CLK_GATE2, 14, 0, 0), + GATE(USB21_PHY_CLK, "usb21_phy_clk", "usb_ref24m_mux", TOP_CLK_GATE2, 15, 0, 0), + GATE(GMAC_RMIICLK, "gmac_rmii_clk", "clk50m", TOP_CLK_GATE2, 3, 0, 0), + GATE(GMAC_PCLK, "gmac_pclk", "clk198m", TOP_CLK_GATE2, 1, 0, 0), + GATE(GMAC_ACLK, "gmac_aclk", "clk49m5", TOP_CLK_GATE2, 0, 0, 0), + GATE(GMAC_RFCLK, "gmac_refclk", "clk25m", TOP_CLK_GATE2, 4, 0, 0), + GATE(SD1_AHB, "sd1_hclk", "sys_noc_hclk", TOP_CLK_GATE1, 12, 0, 0), + GATE(SD0_AHB, "sd0_hclk", "sys_noc_hclk", TOP_CLK_GATE1, 8, 0, 0), + GATE(TEMPSENSOR_GATE, "tempsensor_gate", "clk4m", TOP_CLK_GATE5, 31, 0, 0), +}; + +static struct clk_hw_onecell_data top_hw_onecell_data = { + .num = TOP_NR_CLKS, + .hws = { + [TOP_NR_CLKS - 1] = NULL, + }, +}; + +static int __init top_clocks_init(struct device_node *np) +{ + void __iomem *reg_base; + int i, ret; + const char *name; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: Unable to map clk base\n", __func__); + return -ENXIO; + } + + for (i = 0; i < ARRAY_SIZE(zx296718_pll_clk); i++) { + zx296718_pll_clk[i].reg_base += (uintptr_t)reg_base; + name = zx296718_pll_clk[i].hw.init->name; + ret = clk_hw_register(NULL, &zx296718_pll_clk[i].hw); + if (ret) + pr_warn("top clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(top_ffactor_clk); i++) { + if (top_ffactor_clk[i].id) + top_hw_onecell_data.hws[top_ffactor_clk[i].id] = + &top_ffactor_clk[i].factor.hw; + + name = top_ffactor_clk[i].factor.hw.init->name; + ret = clk_hw_register(NULL, &top_ffactor_clk[i].factor.hw); + if (ret) + pr_warn("top clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(top_mux_clk); i++) { + if (top_mux_clk[i].id) + top_hw_onecell_data.hws[top_mux_clk[i].id] = + &top_mux_clk[i].mux.hw; + + top_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = top_mux_clk[i].mux.hw.init->name; + ret = clk_hw_register(NULL, &top_mux_clk[i].mux.hw); + if (ret) + pr_warn("top clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(top_gate_clk); i++) { + if (top_gate_clk[i].id) + top_hw_onecell_data.hws[top_gate_clk[i].id] = + &top_gate_clk[i].gate.hw; + + top_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = top_gate_clk[i].gate.hw.init->name; + ret = clk_hw_register(NULL, &top_gate_clk[i].gate.hw); + if (ret) + pr_warn("top clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(top_div_clk); i++) { + if (top_div_clk[i].id) + top_hw_onecell_data.hws[top_div_clk[i].id] = + &top_div_clk[i].div.hw; + + top_div_clk[i].div.reg += (uintptr_t)reg_base; + name = top_div_clk[i].div.hw.init->name; + ret = clk_hw_register(NULL, &top_div_clk[i].div.hw); + if (ret) + pr_warn("top clk %s init error!\n", name); + } + + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &top_hw_onecell_data); + if (ret) { + pr_err("failed to register top clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +static const struct clk_div_table common_even_div_table[] = { + { .val = 0, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 3, .div = 4, }, + { .val = 5, .div = 6, }, + { .val = 7, .div = 8, }, + { .val = 9, .div = 10, }, + { .val = 11, .div = 12, }, + { .val = 13, .div = 14, }, + { .val = 15, .div = 16, }, +}; + +static const struct clk_div_table common_div_table[] = { + { .val = 0, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 2, .div = 3, }, + { .val = 3, .div = 4, }, + { .val = 4, .div = 5, }, + { .val = 5, .div = 6, }, + { .val = 6, .div = 7, }, + { .val = 7, .div = 8, }, + { .val = 8, .div = 9, }, + { .val = 9, .div = 10, }, + { .val = 10, .div = 11, }, + { .val = 11, .div = 12, }, + { .val = 12, .div = 13, }, + { .val = 13, .div = 14, }, + { .val = 14, .div = 15, }, + { .val = 15, .div = 16, }, +}; + +PNAME(lsp0_wclk_common_p) = { + "lsp0_24m", + "lsp0_99m", +}; + +PNAME(lsp0_wclk_timer3_p) = { + "timer3_div", + "lsp0_32k" +}; + +PNAME(lsp0_wclk_timer4_p) = { + "timer4_div", + "lsp0_32k" +}; + +PNAME(lsp0_wclk_timer5_p) = { + "timer5_div", + "lsp0_32k" +}; + +PNAME(lsp0_wclk_spifc0_p) = { + "lsp0_148m5", + "lsp0_24m", + "lsp0_99m", + "lsp0_74m25" +}; + +PNAME(lsp0_wclk_ssp_p) = { + "lsp0_148m5", + "lsp0_99m", + "lsp0_24m", +}; + +static struct zx_clk_mux lsp0_mux_clk[] = { + MUX(0, "timer3_wclk_mux", lsp0_wclk_timer3_p, LSP0_TIMER3_CLK, 4, 1), + MUX(0, "timer4_wclk_mux", lsp0_wclk_timer4_p, LSP0_TIMER4_CLK, 4, 1), + MUX(0, "timer5_wclk_mux", lsp0_wclk_timer5_p, LSP0_TIMER5_CLK, 4, 1), + MUX(0, "uart3_wclk_mux", lsp0_wclk_common_p, LSP0_UART3_CLK, 4, 1), + MUX(0, "uart1_wclk_mux", lsp0_wclk_common_p, LSP0_UART1_CLK, 4, 1), + MUX(0, "uart2_wclk_mux", lsp0_wclk_common_p, LSP0_UART2_CLK, 4, 1), + MUX(0, "spifc0_wclk_mux", lsp0_wclk_spifc0_p, LSP0_SPIFC0_CLK, 4, 2), + MUX(0, "i2c4_wclk_mux", lsp0_wclk_common_p, LSP0_I2C4_CLK, 4, 1), + MUX(0, "i2c5_wclk_mux", lsp0_wclk_common_p, LSP0_I2C5_CLK, 4, 1), + MUX(0, "ssp0_wclk_mux", lsp0_wclk_ssp_p, LSP0_SSP0_CLK, 4, 1), + MUX(0, "ssp1_wclk_mux", lsp0_wclk_ssp_p, LSP0_SSP1_CLK, 4, 1), + MUX(0, "i2c3_wclk_mux", lsp0_wclk_common_p, LSP0_I2C3_CLK, 4, 1), +}; + +static struct zx_clk_gate lsp0_gate_clk[] = { + GATE(LSP0_TIMER3_WCLK, "timer3_wclk", "timer3_wclk_mux", LSP0_TIMER3_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_TIMER4_WCLK, "timer4_wclk", "timer4_wclk_mux", LSP0_TIMER4_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_TIMER5_WCLK, "timer5_wclk", "timer5_wclk_mux", LSP0_TIMER5_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_UART3_WCLK, "uart3_wclk", "uart3_wclk_mux", LSP0_UART3_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_UART1_WCLK, "uart1_wclk", "uart1_wclk_mux", LSP0_UART1_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_UART2_WCLK, "uart2_wclk", "uart2_wclk_mux", LSP0_UART2_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_SPIFC0_WCLK, "spifc0_wclk", "spifc0_wclk_mux", LSP0_SPIFC0_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_I2C4_WCLK, "i2c4_wclk", "i2c4_wclk_mux", LSP0_I2C4_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_I2C5_WCLK, "i2c5_wclk", "i2c5_wclk_mux", LSP0_I2C5_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_SSP0_WCLK, "ssp0_wclk", "ssp0_div", LSP0_SSP0_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_SSP1_WCLK, "ssp1_wclk", "ssp1_div", LSP0_SSP1_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP0_I2C3_WCLK, "i2c3_wclk", "i2c3_wclk_mux", LSP0_I2C3_CLK, 1, CLK_SET_RATE_PARENT, 0), +}; + +static struct zx_clk_div lsp0_div_clk[] = { + DIV_T(0, "timer3_div", "lsp0_24m", LSP0_TIMER3_CLK, 12, 4, 0, common_even_div_table), + DIV_T(0, "timer4_div", "lsp0_24m", LSP0_TIMER4_CLK, 12, 4, 0, common_even_div_table), + DIV_T(0, "timer5_div", "lsp0_24m", LSP0_TIMER5_CLK, 12, 4, 0, common_even_div_table), + DIV_T(0, "ssp0_div", "ssp0_wclk_mux", LSP0_SSP0_CLK, 12, 4, 0, common_even_div_table), + DIV_T(0, "ssp1_div", "ssp1_wclk_mux", LSP0_SSP1_CLK, 12, 4, 0, common_even_div_table), +}; + +static struct clk_hw_onecell_data lsp0_hw_onecell_data = { + .num = LSP0_NR_CLKS, + .hws = { + [LSP0_NR_CLKS - 1] = NULL, + }, +}; + +static int __init lsp0_clocks_init(struct device_node *np) +{ + void __iomem *reg_base; + int i, ret; + const char *name; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: Unable to map clk base\n", __func__); + return -ENXIO; + } + + for (i = 0; i < ARRAY_SIZE(lsp0_mux_clk); i++) { + if (lsp0_mux_clk[i].id) + lsp0_hw_onecell_data.hws[lsp0_mux_clk[i].id] = + &lsp0_mux_clk[i].mux.hw; + + lsp0_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = lsp0_mux_clk[i].mux.hw.init->name; + ret = clk_hw_register(NULL, &lsp0_mux_clk[i].mux.hw); + if (ret) + pr_warn("lsp0 clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(lsp0_gate_clk); i++) { + if (lsp0_gate_clk[i].id) + lsp0_hw_onecell_data.hws[lsp0_gate_clk[i].id] = + &lsp0_gate_clk[i].gate.hw; + + lsp0_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = lsp0_gate_clk[i].gate.hw.init->name; + ret = clk_hw_register(NULL, &lsp0_gate_clk[i].gate.hw); + if (ret) + pr_warn("lsp0 clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(lsp0_div_clk); i++) { + if (lsp0_div_clk[i].id) + lsp0_hw_onecell_data.hws[lsp0_div_clk[i].id] = + &lsp0_div_clk[i].div.hw; + + lsp0_div_clk[i].div.reg += (uintptr_t)reg_base; + name = lsp0_div_clk[i].div.hw.init->name; + ret = clk_hw_register(NULL, &lsp0_div_clk[i].div.hw); + if (ret) + pr_warn("lsp0 clk %s init error!\n", name); + } + + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &lsp0_hw_onecell_data); + if (ret) { + pr_err("failed to register lsp0 clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +PNAME(lsp1_wclk_common_p) = { + "lsp1_24m", + "lsp1_99m", +}; + +PNAME(lsp1_wclk_ssp_p) = { + "lsp1_148m5", + "lsp1_99m", + "lsp1_24m", +}; + +static struct zx_clk_mux lsp1_mux_clk[] = { + MUX(0, "uart4_wclk_mux", lsp1_wclk_common_p, LSP1_UART4_CLK, 4, 1), + MUX(0, "uart5_wclk_mux", lsp1_wclk_common_p, LSP1_UART5_CLK, 4, 1), + MUX(0, "pwm_wclk_mux", lsp1_wclk_common_p, LSP1_PWM_CLK, 4, 1), + MUX(0, "i2c2_wclk_mux", lsp1_wclk_common_p, LSP1_I2C2_CLK, 4, 1), + MUX(0, "ssp2_wclk_mux", lsp1_wclk_ssp_p, LSP1_SSP2_CLK, 4, 2), + MUX(0, "ssp3_wclk_mux", lsp1_wclk_ssp_p, LSP1_SSP3_CLK, 4, 2), + MUX(0, "ssp4_wclk_mux", lsp1_wclk_ssp_p, LSP1_SSP4_CLK, 4, 2), + MUX(0, "usim1_wclk_mux", lsp1_wclk_common_p, LSP1_USIM1_CLK, 4, 1), +}; + +static struct zx_clk_div lsp1_div_clk[] = { + DIV_T(0, "pwm_div", "pwm_wclk_mux", LSP1_PWM_CLK, 12, 4, CLK_SET_RATE_PARENT, common_div_table), + DIV_T(0, "ssp2_div", "ssp2_wclk_mux", LSP1_SSP2_CLK, 12, 4, CLK_SET_RATE_PARENT, common_even_div_table), + DIV_T(0, "ssp3_div", "ssp3_wclk_mux", LSP1_SSP3_CLK, 12, 4, CLK_SET_RATE_PARENT, common_even_div_table), + DIV_T(0, "ssp4_div", "ssp4_wclk_mux", LSP1_SSP4_CLK, 12, 4, CLK_SET_RATE_PARENT, common_even_div_table), +}; + +static struct zx_clk_gate lsp1_gate_clk[] = { + GATE(LSP1_UART4_WCLK, "lsp1_uart4_wclk", "uart4_wclk_mux", LSP1_UART4_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP1_UART5_WCLK, "lsp1_uart5_wclk", "uart5_wclk_mux", LSP1_UART5_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP1_PWM_WCLK, "lsp1_pwm_wclk", "pwm_div", LSP1_PWM_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP1_PWM_PCLK, "lsp1_pwm_pclk", "lsp1_pclk", LSP1_PWM_CLK, 0, 0, 0), + GATE(LSP1_I2C2_WCLK, "lsp1_i2c2_wclk", "i2c2_wclk_mux", LSP1_I2C2_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP1_SSP2_WCLK, "lsp1_ssp2_wclk", "ssp2_div", LSP1_SSP2_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP1_SSP3_WCLK, "lsp1_ssp3_wclk", "ssp3_div", LSP1_SSP3_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP1_SSP4_WCLK, "lsp1_ssp4_wclk", "ssp4_div", LSP1_SSP4_CLK, 1, CLK_SET_RATE_PARENT, 0), + GATE(LSP1_USIM1_WCLK, "lsp1_usim1_wclk", "usim1_wclk_mux", LSP1_USIM1_CLK, 1, CLK_SET_RATE_PARENT, 0), +}; + +static struct clk_hw_onecell_data lsp1_hw_onecell_data = { + .num = LSP1_NR_CLKS, + .hws = { + [LSP1_NR_CLKS - 1] = NULL, + }, +}; + +static int __init lsp1_clocks_init(struct device_node *np) +{ + void __iomem *reg_base; + int i, ret; + const char *name; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: Unable to map clk base\n", __func__); + return -ENXIO; + } + + for (i = 0; i < ARRAY_SIZE(lsp1_mux_clk); i++) { + if (lsp1_mux_clk[i].id) + lsp1_hw_onecell_data.hws[lsp1_mux_clk[i].id] = + &lsp0_mux_clk[i].mux.hw; + + lsp1_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = lsp1_mux_clk[i].mux.hw.init->name; + ret = clk_hw_register(NULL, &lsp1_mux_clk[i].mux.hw); + if (ret) + pr_warn("lsp1 clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(lsp1_gate_clk); i++) { + if (lsp1_gate_clk[i].id) + lsp1_hw_onecell_data.hws[lsp1_gate_clk[i].id] = + &lsp1_gate_clk[i].gate.hw; + + lsp1_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = lsp1_gate_clk[i].gate.hw.init->name; + ret = clk_hw_register(NULL, &lsp1_gate_clk[i].gate.hw); + if (ret) + pr_warn("lsp1 clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(lsp1_div_clk); i++) { + if (lsp1_div_clk[i].id) + lsp1_hw_onecell_data.hws[lsp1_div_clk[i].id] = + &lsp1_div_clk[i].div.hw; + + lsp1_div_clk[i].div.reg += (uintptr_t)reg_base; + name = lsp1_div_clk[i].div.hw.init->name; + ret = clk_hw_register(NULL, &lsp1_div_clk[i].div.hw); + if (ret) + pr_warn("lsp1 clk %s init error!\n", name); + } + + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &lsp1_hw_onecell_data); + if (ret) { + pr_err("failed to register lsp1 clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +PNAME(audio_wclk_common_p) = { + "audio_99m", + "audio_24m", +}; + +PNAME(audio_timer_p) = { + "audio_24m", + "audio_32k", +}; + +static struct zx_clk_mux audio_mux_clk[] = { + MUX(I2S0_WCLK_MUX, "i2s0_wclk_mux", audio_wclk_common_p, AUDIO_I2S0_CLK, 0, 1), + MUX(I2S1_WCLK_MUX, "i2s1_wclk_mux", audio_wclk_common_p, AUDIO_I2S1_CLK, 0, 1), + MUX(I2S2_WCLK_MUX, "i2s2_wclk_mux", audio_wclk_common_p, AUDIO_I2S2_CLK, 0, 1), + MUX(I2S3_WCLK_MUX, "i2s3_wclk_mux", audio_wclk_common_p, AUDIO_I2S3_CLK, 0, 1), + MUX(0, "i2c0_wclk_mux", audio_wclk_common_p, AUDIO_I2C0_CLK, 0, 1), + MUX(0, "spdif0_wclk_mux", audio_wclk_common_p, AUDIO_SPDIF0_CLK, 0, 1), + MUX(0, "spdif1_wclk_mux", audio_wclk_common_p, AUDIO_SPDIF1_CLK, 0, 1), + MUX(0, "timer_wclk_mux", audio_timer_p, AUDIO_TIMER_CLK, 0, 1), +}; + +static struct clk_zx_audio_divider audio_adiv_clk[] = { + AUDIO_DIV(0, "i2s0_wclk_div", "i2s0_wclk_mux", AUDIO_I2S0_DIV_CFG1), + AUDIO_DIV(0, "i2s1_wclk_div", "i2s1_wclk_mux", AUDIO_I2S1_DIV_CFG1), + AUDIO_DIV(0, "i2s2_wclk_div", "i2s2_wclk_mux", AUDIO_I2S2_DIV_CFG1), + AUDIO_DIV(0, "i2s3_wclk_div", "i2s3_wclk_mux", AUDIO_I2S3_DIV_CFG1), + AUDIO_DIV(0, "spdif0_wclk_div", "spdif0_wclk_mux", AUDIO_SPDIF0_DIV_CFG1), + AUDIO_DIV(0, "spdif1_wclk_div", "spdif1_wclk_mux", AUDIO_SPDIF1_DIV_CFG1), +}; + +static struct zx_clk_div audio_div_clk[] = { + DIV_T(0, "tdm_wclk_div", "audio_16m384", AUDIO_TDM_CLK, 8, 4, 0, common_div_table), +}; + +static struct zx_clk_gate audio_gate_clk[] = { + GATE(AUDIO_I2S0_WCLK, "i2s0_wclk", "i2s0_wclk_div", AUDIO_I2S0_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2S1_WCLK, "i2s1_wclk", "i2s1_wclk_div", AUDIO_I2S1_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2S2_WCLK, "i2s2_wclk", "i2s2_wclk_div", AUDIO_I2S2_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2S3_WCLK, "i2s3_wclk", "i2s3_wclk_div", AUDIO_I2S3_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_I2S0_PCLK, "i2s0_pclk", "clk49m5", AUDIO_I2S0_CLK, 8, 0, 0), + GATE(AUDIO_I2S1_PCLK, "i2s1_pclk", "clk49m5", AUDIO_I2S1_CLK, 8, 0, 0), + GATE(AUDIO_I2S2_PCLK, "i2s2_pclk", "clk49m5", AUDIO_I2S2_CLK, 8, 0, 0), + GATE(AUDIO_I2S3_PCLK, "i2s3_pclk", "clk49m5", AUDIO_I2S3_CLK, 8, 0, 0), + GATE(AUDIO_I2C0_WCLK, "i2c0_wclk", "i2c0_wclk_mux", AUDIO_I2C0_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_SPDIF0_WCLK, "spdif0_wclk", "spdif0_wclk_div", AUDIO_SPDIF0_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_SPDIF1_WCLK, "spdif1_wclk", "spdif1_wclk_div", AUDIO_SPDIF1_CLK, 9, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_TDM_WCLK, "tdm_wclk", "tdm_wclk_div", AUDIO_TDM_CLK, 17, CLK_SET_RATE_PARENT, 0), + GATE(AUDIO_TS_PCLK, "tempsensor_pclk", "clk49m5", AUDIO_TS_CLK, 1, 0, 0), +}; + +static struct clk_hw_onecell_data audio_hw_onecell_data = { + .num = AUDIO_NR_CLKS, + .hws = { + [AUDIO_NR_CLKS - 1] = NULL, + }, +}; + +static int __init audio_clocks_init(struct device_node *np) +{ + void __iomem *reg_base; + int i, ret; + const char *name; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: Unable to map audio clk base\n", __func__); + return -ENXIO; + } + + for (i = 0; i < ARRAY_SIZE(audio_mux_clk); i++) { + if (audio_mux_clk[i].id) + audio_hw_onecell_data.hws[audio_mux_clk[i].id] = + &audio_mux_clk[i].mux.hw; + + audio_mux_clk[i].mux.reg += (uintptr_t)reg_base; + name = audio_mux_clk[i].mux.hw.init->name; + ret = clk_hw_register(NULL, &audio_mux_clk[i].mux.hw); + if (ret) + pr_warn("audio clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(audio_adiv_clk); i++) { + if (audio_adiv_clk[i].id) + audio_hw_onecell_data.hws[audio_adiv_clk[i].id] = + &audio_adiv_clk[i].hw; + + audio_adiv_clk[i].reg_base += (uintptr_t)reg_base; + name = audio_adiv_clk[i].hw.init->name; + ret = clk_hw_register(NULL, &audio_adiv_clk[i].hw); + if (ret) + pr_warn("audio clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(audio_div_clk); i++) { + if (audio_div_clk[i].id) + audio_hw_onecell_data.hws[audio_div_clk[i].id] = + &audio_div_clk[i].div.hw; + + audio_div_clk[i].div.reg += (uintptr_t)reg_base; + name = audio_div_clk[i].div.hw.init->name; + ret = clk_hw_register(NULL, &audio_div_clk[i].div.hw); + if (ret) + pr_warn("audio clk %s init error!\n", name); + } + + for (i = 0; i < ARRAY_SIZE(audio_gate_clk); i++) { + if (audio_gate_clk[i].id) + audio_hw_onecell_data.hws[audio_gate_clk[i].id] = + &audio_gate_clk[i].gate.hw; + + audio_gate_clk[i].gate.reg += (uintptr_t)reg_base; + name = audio_gate_clk[i].gate.hw.init->name; + ret = clk_hw_register(NULL, &audio_gate_clk[i].gate.hw); + if (ret) + pr_warn("audio clk %s init error!\n", name); + } + + ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, + &audio_hw_onecell_data); + if (ret) { + pr_err("failed to register audio clk provider: %d\n", ret); + return ret; + } + + return 0; +} + +static const struct of_device_id zx_clkc_match_table[] = { + { .compatible = "zte,zx296718-topcrm", .data = &top_clocks_init }, + { .compatible = "zte,zx296718-lsp0crm", .data = &lsp0_clocks_init }, + { .compatible = "zte,zx296718-lsp1crm", .data = &lsp1_clocks_init }, + { .compatible = "zte,zx296718-audiocrm", .data = &audio_clocks_init }, + { } +}; + +static int zx_clkc_probe(struct platform_device *pdev) +{ + int (*init_fn)(struct device_node *np); + struct device_node *np = pdev->dev.of_node; + + init_fn = of_device_get_match_data(&pdev->dev); + if (!init_fn) { + dev_err(&pdev->dev, "Error: No device match found\n"); + return -ENODEV; + } + + return init_fn(np); +} + +static struct platform_driver zx_clk_driver = { + .probe = zx_clkc_probe, + .driver = { + .name = "zx296718-clkc", + .of_match_table = zx_clkc_match_table, + }, +}; + +static int __init zx_clk_init(void) +{ + return platform_driver_register(&zx_clk_driver); +} +core_initcall(zx_clk_init); diff --git a/drivers/clk/zte/clk.c b/drivers/clk/zte/clk.c new file mode 100644 index 000000000..b82031766 --- /dev/null +++ b/drivers/clk/zte/clk.c @@ -0,0 +1,449 @@ +/* + * Copyright 2014 Linaro Ltd. + * Copyright (C) 2014 ZTE Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/gcd.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <asm/div64.h> + +#include "clk.h" + +#define to_clk_zx_pll(_hw) container_of(_hw, struct clk_zx_pll, hw) +#define to_clk_zx_audio(_hw) container_of(_hw, struct clk_zx_audio, hw) + +#define CFG0_CFG1_OFFSET 4 +#define LOCK_FLAG 30 +#define POWER_DOWN 31 + +static int rate_to_idx(struct clk_zx_pll *zx_pll, unsigned long rate) +{ + const struct zx_pll_config *config = zx_pll->lookup_table; + int i; + + for (i = 0; i < zx_pll->count; i++) { + if (config[i].rate > rate) + return i > 0 ? i - 1 : 0; + + if (config[i].rate == rate) + return i; + } + + return i - 1; +} + +static int hw_to_idx(struct clk_zx_pll *zx_pll) +{ + const struct zx_pll_config *config = zx_pll->lookup_table; + u32 hw_cfg0, hw_cfg1; + int i; + + hw_cfg0 = readl_relaxed(zx_pll->reg_base); + hw_cfg1 = readl_relaxed(zx_pll->reg_base + CFG0_CFG1_OFFSET); + + /* For matching the value in lookup table */ + hw_cfg0 &= ~BIT(zx_pll->lock_bit); + + /* Check availability of pd_bit */ + if (zx_pll->pd_bit < 32) + hw_cfg0 |= BIT(zx_pll->pd_bit); + + for (i = 0; i < zx_pll->count; i++) { + if (hw_cfg0 == config[i].cfg0 && hw_cfg1 == config[i].cfg1) + return i; + } + + return -EINVAL; +} + +static unsigned long zx_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_zx_pll *zx_pll = to_clk_zx_pll(hw); + int idx; + + idx = hw_to_idx(zx_pll); + if (unlikely(idx == -EINVAL)) + return 0; + + return zx_pll->lookup_table[idx].rate; +} + +static long zx_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_zx_pll *zx_pll = to_clk_zx_pll(hw); + int idx; + + idx = rate_to_idx(zx_pll, rate); + + return zx_pll->lookup_table[idx].rate; +} + +static int zx_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + /* Assume current cpu is not running on current PLL */ + struct clk_zx_pll *zx_pll = to_clk_zx_pll(hw); + const struct zx_pll_config *config; + int idx; + + idx = rate_to_idx(zx_pll, rate); + config = &zx_pll->lookup_table[idx]; + + writel_relaxed(config->cfg0, zx_pll->reg_base); + writel_relaxed(config->cfg1, zx_pll->reg_base + CFG0_CFG1_OFFSET); + + return 0; +} + +static int zx_pll_enable(struct clk_hw *hw) +{ + struct clk_zx_pll *zx_pll = to_clk_zx_pll(hw); + u32 reg; + + /* If pd_bit is not available, simply return success. */ + if (zx_pll->pd_bit > 31) + return 0; + + reg = readl_relaxed(zx_pll->reg_base); + writel_relaxed(reg & ~BIT(zx_pll->pd_bit), zx_pll->reg_base); + + return readl_relaxed_poll_timeout(zx_pll->reg_base, reg, + reg & BIT(zx_pll->lock_bit), 0, 100); +} + +static void zx_pll_disable(struct clk_hw *hw) +{ + struct clk_zx_pll *zx_pll = to_clk_zx_pll(hw); + u32 reg; + + if (zx_pll->pd_bit > 31) + return; + + reg = readl_relaxed(zx_pll->reg_base); + writel_relaxed(reg | BIT(zx_pll->pd_bit), zx_pll->reg_base); +} + +static int zx_pll_is_enabled(struct clk_hw *hw) +{ + struct clk_zx_pll *zx_pll = to_clk_zx_pll(hw); + u32 reg; + + reg = readl_relaxed(zx_pll->reg_base); + + return !(reg & BIT(zx_pll->pd_bit)); +} + +const struct clk_ops zx_pll_ops = { + .recalc_rate = zx_pll_recalc_rate, + .round_rate = zx_pll_round_rate, + .set_rate = zx_pll_set_rate, + .enable = zx_pll_enable, + .disable = zx_pll_disable, + .is_enabled = zx_pll_is_enabled, +}; +EXPORT_SYMBOL(zx_pll_ops); + +struct clk *clk_register_zx_pll(const char *name, const char *parent_name, + unsigned long flags, void __iomem *reg_base, + const struct zx_pll_config *lookup_table, + int count, spinlock_t *lock) +{ + struct clk_zx_pll *zx_pll; + struct clk *clk; + struct clk_init_data init; + + zx_pll = kzalloc(sizeof(*zx_pll), GFP_KERNEL); + if (!zx_pll) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &zx_pll_ops; + init.flags = flags; + init.parent_names = parent_name ? &parent_name : NULL; + init.num_parents = parent_name ? 1 : 0; + + zx_pll->reg_base = reg_base; + zx_pll->lookup_table = lookup_table; + zx_pll->count = count; + zx_pll->lock_bit = LOCK_FLAG; + zx_pll->pd_bit = POWER_DOWN; + zx_pll->lock = lock; + zx_pll->hw.init = &init; + + clk = clk_register(NULL, &zx_pll->hw); + if (IS_ERR(clk)) + kfree(zx_pll); + + return clk; +} + +#define BPAR 1000000 +static u32 calc_reg(u32 parent_rate, u32 rate) +{ + u32 sel, integ, fra_div, tmp; + u64 tmp64 = (u64)parent_rate * BPAR; + + do_div(tmp64, rate); + integ = (u32)tmp64 / BPAR; + integ = integ >> 1; + + tmp = (u32)tmp64 % BPAR; + sel = tmp / BPAR; + + tmp = tmp % BPAR; + fra_div = tmp * 0xff / BPAR; + tmp = (sel << 24) | (integ << 16) | (0xff << 8) | fra_div; + + /* Set I2S integer divider as 1. This bit is reserved for SPDIF + * and do no harm. + */ + tmp |= BIT(28); + return tmp; +} + +static u32 calc_rate(u32 reg, u32 parent_rate) +{ + u32 sel, integ, fra_div, tmp; + u64 tmp64 = (u64)parent_rate * BPAR; + + tmp = reg; + sel = (tmp >> 24) & BIT(0); + integ = (tmp >> 16) & 0xff; + fra_div = tmp & 0xff; + + tmp = fra_div * BPAR; + tmp = tmp / 0xff; + tmp += sel * BPAR; + tmp += 2 * integ * BPAR; + do_div(tmp64, tmp); + + return (u32)tmp64; +} + +static unsigned long zx_audio_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_zx_audio *zx_audio = to_clk_zx_audio(hw); + u32 reg; + + reg = readl_relaxed(zx_audio->reg_base); + return calc_rate(reg, parent_rate); +} + +static long zx_audio_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + u32 reg; + + if (rate * 2 > *prate) + return -EINVAL; + + reg = calc_reg(*prate, rate); + return calc_rate(reg, *prate); +} + +static int zx_audio_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_zx_audio *zx_audio = to_clk_zx_audio(hw); + u32 reg; + + reg = calc_reg(parent_rate, rate); + writel_relaxed(reg, zx_audio->reg_base); + + return 0; +} + +#define ZX_AUDIO_EN BIT(25) +static int zx_audio_enable(struct clk_hw *hw) +{ + struct clk_zx_audio *zx_audio = to_clk_zx_audio(hw); + u32 reg; + + reg = readl_relaxed(zx_audio->reg_base); + writel_relaxed(reg & ~ZX_AUDIO_EN, zx_audio->reg_base); + return 0; +} + +static void zx_audio_disable(struct clk_hw *hw) +{ + struct clk_zx_audio *zx_audio = to_clk_zx_audio(hw); + u32 reg; + + reg = readl_relaxed(zx_audio->reg_base); + writel_relaxed(reg | ZX_AUDIO_EN, zx_audio->reg_base); +} + +static const struct clk_ops zx_audio_ops = { + .recalc_rate = zx_audio_recalc_rate, + .round_rate = zx_audio_round_rate, + .set_rate = zx_audio_set_rate, + .enable = zx_audio_enable, + .disable = zx_audio_disable, +}; + +struct clk *clk_register_zx_audio(const char *name, + const char * const parent_name, + unsigned long flags, + void __iomem *reg_base) +{ + struct clk_zx_audio *zx_audio; + struct clk *clk; + struct clk_init_data init; + + zx_audio = kzalloc(sizeof(*zx_audio), GFP_KERNEL); + if (!zx_audio) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &zx_audio_ops; + init.flags = flags; + init.parent_names = parent_name ? &parent_name : NULL; + init.num_parents = parent_name ? 1 : 0; + + zx_audio->reg_base = reg_base; + zx_audio->hw.init = &init; + + clk = clk_register(NULL, &zx_audio->hw); + if (IS_ERR(clk)) + kfree(zx_audio); + + return clk; +} + +#define CLK_AUDIO_DIV_FRAC BIT(0) +#define CLK_AUDIO_DIV_INT BIT(1) +#define CLK_AUDIO_DIV_UNCOMMON BIT(1) + +#define CLK_AUDIO_DIV_FRAC_NSHIFT 16 +#define CLK_AUDIO_DIV_INT_FRAC_RE BIT(16) +#define CLK_AUDIO_DIV_INT_FRAC_MAX (0xffff) +#define CLK_AUDIO_DIV_INT_FRAC_MIN (0x2) +#define CLK_AUDIO_DIV_INT_INT_SHIFT 24 +#define CLK_AUDIO_DIV_INT_INT_WIDTH 4 + +struct zx_clk_audio_div_table { + unsigned long rate; + unsigned int int_reg; + unsigned int frac_reg; +}; + +#define to_clk_zx_audio_div(_hw) container_of(_hw, struct clk_zx_audio_divider, hw) + +static unsigned long audio_calc_rate(struct clk_zx_audio_divider *audio_div, + u32 reg_frac, u32 reg_int, + unsigned long parent_rate) +{ + unsigned long rate, m, n; + + m = reg_frac & 0xffff; + n = (reg_frac >> 16) & 0xffff; + + m = (reg_int & 0xffff) * n + m; + rate = (parent_rate * n) / m; + + return rate; +} + +static void audio_calc_reg(struct clk_zx_audio_divider *audio_div, + struct zx_clk_audio_div_table *div_table, + unsigned long rate, unsigned long parent_rate) +{ + unsigned int reg_int, reg_frac; + unsigned long m, n, div; + + reg_int = parent_rate / rate; + + if (reg_int > CLK_AUDIO_DIV_INT_FRAC_MAX) + reg_int = CLK_AUDIO_DIV_INT_FRAC_MAX; + else if (reg_int < CLK_AUDIO_DIV_INT_FRAC_MIN) + reg_int = 0; + m = parent_rate - rate * reg_int; + n = rate; + + div = gcd(m, n); + m = m / div; + n = n / div; + + if ((m >> 16) || (n >> 16)) { + if (m > n) { + n = n * 0xffff / m; + m = 0xffff; + } else { + m = m * 0xffff / n; + n = 0xffff; + } + } + reg_frac = m | (n << 16); + + div_table->rate = parent_rate * n / (reg_int * n + m); + div_table->int_reg = reg_int; + div_table->frac_reg = reg_frac; +} + +static unsigned long zx_audio_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_zx_audio_divider *zx_audio_div = to_clk_zx_audio_div(hw); + u32 reg_frac, reg_int; + + reg_frac = readl_relaxed(zx_audio_div->reg_base); + reg_int = readl_relaxed(zx_audio_div->reg_base + 0x4); + + return audio_calc_rate(zx_audio_div, reg_frac, reg_int, parent_rate); +} + +static long zx_audio_div_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_zx_audio_divider *zx_audio_div = to_clk_zx_audio_div(hw); + struct zx_clk_audio_div_table divt; + + audio_calc_reg(zx_audio_div, &divt, rate, *prate); + + return audio_calc_rate(zx_audio_div, divt.frac_reg, divt.int_reg, *prate); +} + +static int zx_audio_div_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_zx_audio_divider *zx_audio_div = to_clk_zx_audio_div(hw); + struct zx_clk_audio_div_table divt; + unsigned int val; + + audio_calc_reg(zx_audio_div, &divt, rate, parent_rate); + if (divt.rate != rate) + pr_debug("the real rate is:%ld", divt.rate); + + writel_relaxed(divt.frac_reg, zx_audio_div->reg_base); + + val = readl_relaxed(zx_audio_div->reg_base + 0x4); + val &= ~0xffff; + val |= divt.int_reg | CLK_AUDIO_DIV_INT_FRAC_RE; + writel_relaxed(val, zx_audio_div->reg_base + 0x4); + + mdelay(1); + + val = readl_relaxed(zx_audio_div->reg_base + 0x4); + val &= ~CLK_AUDIO_DIV_INT_FRAC_RE; + writel_relaxed(val, zx_audio_div->reg_base + 0x4); + + return 0; +} + +const struct clk_ops zx_audio_div_ops = { + .recalc_rate = zx_audio_div_recalc_rate, + .round_rate = zx_audio_div_round_rate, + .set_rate = zx_audio_div_set_rate, +}; diff --git a/drivers/clk/zte/clk.h b/drivers/clk/zte/clk.h new file mode 100644 index 000000000..f1041e36b --- /dev/null +++ b/drivers/clk/zte/clk.h @@ -0,0 +1,177 @@ +/* + * Copyright 2015 Linaro Ltd. + * Copyright (C) 2014 ZTE Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ZTE_CLK_H +#define __ZTE_CLK_H +#include <linux/clk-provider.h> +#include <linux/spinlock.h> + +#define PNAME(x) static const char *x[] + +struct zx_pll_config { + unsigned long rate; + u32 cfg0; + u32 cfg1; +}; + +struct clk_zx_pll { + struct clk_hw hw; + void __iomem *reg_base; + const struct zx_pll_config *lookup_table; /* order by rate asc */ + int count; + spinlock_t *lock; + u8 pd_bit; /* power down bit */ + u8 lock_bit; /* pll lock flag bit */ +}; + +#define PLL_RATE(_rate, _cfg0, _cfg1) \ +{ \ + .rate = _rate, \ + .cfg0 = _cfg0, \ + .cfg1 = _cfg1, \ +} + +#define ZX_PLL(_name, _parent, _reg, _table, _pd, _lock) \ +{ \ + .reg_base = (void __iomem *) _reg, \ + .lookup_table = _table, \ + .count = ARRAY_SIZE(_table), \ + .pd_bit = _pd, \ + .lock_bit = _lock, \ + .hw.init = CLK_HW_INIT(_name, _parent, &zx_pll_ops, \ + CLK_GET_RATE_NOCACHE), \ +} + +/* + * The pd_bit is not available on ZX296718, so let's pass something + * bigger than 31, e.g. 0xff, to indicate that. + */ +#define ZX296718_PLL(_name, _parent, _reg, _table) \ +ZX_PLL(_name, _parent, _reg, _table, 0xff, 30) + +struct zx_clk_gate { + struct clk_gate gate; + u16 id; +}; + +#define GATE(_id, _name, _parent, _reg, _bit, _flag, _gflags) \ +{ \ + .gate = { \ + .reg = (void __iomem *) _reg, \ + .bit_idx = (_bit), \ + .flags = _gflags, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &clk_gate_ops, \ + _flag | CLK_IGNORE_UNUSED), \ + }, \ + .id = _id, \ +} + +struct zx_clk_fixed_factor { + struct clk_fixed_factor factor; + u16 id; +}; + +#define FFACTOR(_id, _name, _parent, _mult, _div, _flag) \ +{ \ + .factor = { \ + .div = _div, \ + .mult = _mult, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &clk_fixed_factor_ops, \ + _flag), \ + }, \ + .id = _id, \ +} + +struct zx_clk_mux { + struct clk_mux mux; + u16 id; +}; + +#define MUX_F(_id, _name, _parent, _reg, _shift, _width, _flag, _mflag) \ +{ \ + .mux = { \ + .reg = (void __iomem *) _reg, \ + .mask = BIT(_width) - 1, \ + .shift = _shift, \ + .flags = _mflag, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT_PARENTS(_name, \ + _parent, \ + &clk_mux_ops, \ + _flag), \ + }, \ + .id = _id, \ +} + +#define MUX(_id, _name, _parent, _reg, _shift, _width) \ +MUX_F(_id, _name, _parent, _reg, _shift, _width, 0, 0) + +struct zx_clk_div { + struct clk_divider div; + u16 id; +}; + +#define DIV_T(_id, _name, _parent, _reg, _shift, _width, _flag, _table) \ +{ \ + .div = { \ + .reg = (void __iomem *) _reg, \ + .shift = _shift, \ + .width = _width, \ + .flags = 0, \ + .table = _table, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &clk_divider_ops, \ + _flag), \ + }, \ + .id = _id, \ +} + +struct clk_zx_audio_divider { + struct clk_hw hw; + void __iomem *reg_base; + unsigned int rate_count; + spinlock_t *lock; + u16 id; +}; + +#define AUDIO_DIV(_id, _name, _parent, _reg) \ +{ \ + .reg_base = (void __iomem *) _reg, \ + .lock = &clk_lock, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &zx_audio_div_ops, \ + 0), \ + .id = _id, \ +} + +struct clk *clk_register_zx_pll(const char *name, const char *parent_name, + unsigned long flags, void __iomem *reg_base, + const struct zx_pll_config *lookup_table, int count, spinlock_t *lock); + +struct clk_zx_audio { + struct clk_hw hw; + void __iomem *reg_base; +}; + +struct clk *clk_register_zx_audio(const char *name, + const char * const parent_name, + unsigned long flags, void __iomem *reg_base); + +extern const struct clk_ops zx_pll_ops; +extern const struct clk_ops zx_audio_div_ops; + +#endif |