aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/clk/zte/clk-zx296702.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/zte/clk-zx296702.c')
-rw-r--r--drivers/clk/zte/clk-zx296702.c126
1 files changed, 107 insertions, 19 deletions
diff --git a/drivers/clk/zte/clk-zx296702.c b/drivers/clk/zte/clk-zx296702.c
index 929d033594af..ebd20d852e73 100644
--- a/drivers/clk/zte/clk-zx296702.c
+++ b/drivers/clk/zte/clk-zx296702.c
@@ -36,10 +36,21 @@ static struct clk_onecell_data lsp1clk_data;
#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 },
@@ -72,104 +83,119 @@ static const struct clk_div_table sec_wclk_divider[] = {
{ /* sentinel */ }
};
-static const char * matrix_aclk_sel[] = {
+static const char * const matrix_aclk_sel[] = {
"pll_mm0_198M",
"osc",
"clk_148M5",
"pll_lsp_104M",
};
-static const char * a9_wclk_sel[] = {
+static const char * const a9_wclk_sel[] = {
"pll_a9",
"osc",
"clk_500",
"clk_250",
};
-static const char * a9_as1_aclk_sel[] = {
+static const char * const a9_as1_aclk_sel[] = {
"clk_250",
"osc",
"pll_mm0_396M",
"pll_mac_333M",
};
-static const char * a9_trace_clkin_sel[] = {
+static const char * const a9_trace_clkin_sel[] = {
"clk_74M25",
"pll_mm1_108M",
"clk_125",
"clk_148M5",
};
-static const char * decppu_aclk_sel[] = {
+static const char * const decppu_aclk_sel[] = {
"clk_250",
"pll_mm0_198M",
"pll_lsp_104M",
"pll_audio_294M912",
};
-static const char * vou_main_wclk_sel[] = {
+static const char * const vou_main_wclk_sel[] = {
"clk_148M5",
"clk_74M25",
"clk_27",
"pll_mm1_54M",
};
-static const char * vou_scaler_wclk_sel[] = {
+static const char * const vou_scaler_wclk_sel[] = {
"clk_250",
"pll_mac_333M",
"pll_audio_294M912",
"pll_mm0_198M",
};
-static const char * r2d_wclk_sel[] = {
+static const char * const r2d_wclk_sel[] = {
"pll_audio_294M912",
"pll_mac_333M",
"pll_a9_350M",
"pll_mm0_396M",
};
-static const char * ddr_wclk_sel[] = {
+static const char * const ddr_wclk_sel[] = {
"pll_mac_333M",
"pll_ddr_266M",
"pll_audio_294M912",
"pll_mm0_198M",
};
-static const char * nand_wclk_sel[] = {
+static const char * const nand_wclk_sel[] = {
"pll_lsp_104M",
"osc",
};
-static const char * lsp_26_wclk_sel[] = {
+static const char * const lsp_26_wclk_sel[] = {
"pll_lsp_26M",
"osc",
};
-static const char * vl0_sel[] = {
+static const char * const vl0_sel[] = {
"vou_main_channel_div",
"vou_aux_channel_div",
};
-static const char * hdmi_sel[] = {
+static const char * const hdmi_sel[] = {
"vou_main_channel_wclk",
"vou_aux_channel_wclk",
};
-static const char * sdmmc0_wclk_sel[] = {
+static const char * const sdmmc0_wclk_sel[] = {
"lsp1_104M_wclk",
"lsp1_26M_wclk",
};
-static const char * sdmmc1_wclk_sel[] = {
+static const char * const sdmmc1_wclk_sel[] = {
"lsp0_104M_wclk",
"lsp0_26M_wclk",
};
-static const char * uart_wclk_sel[] = {
+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)
@@ -185,7 +211,7 @@ static inline struct clk *zx_div(const char *name, const char *parent,
reg, shift, width, 0, &reg_lock);
}
-static inline struct clk *zx_mux(const char *name, const char **parents,
+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,
@@ -196,7 +222,7 @@ 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, 0, &reg_lock);
+ reg, shift, CLK_SET_RATE_PARENT, &reg_lock);
}
static void __init zx296702_top_clocks_init(struct device_node *np)
@@ -585,7 +611,57 @@ static void __init zx296702_lsp0_clocks_init(struct device_node *np)
clk[ZX296702_SDMMC1_WCLK] =
zx_gate("sdmmc1_wclk", "sdmmc1_wclk_div", CLK_SDMMC1, 1);
clk[ZX296702_SDMMC1_PCLK] =
- zx_gate("sdmmc1_pclk", "lsp1_apb_pclk", CLK_SDMMC1, 0);
+ 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])) {
@@ -641,6 +717,18 @@ static void __init zx296702_lsp1_clocks_init(struct device_node *np)
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",
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.