[PATCH 2/2] clk: amlogic: add video-related clocks for S4 SoC
Chuan Liu
chuan.liu at amlogic.com
Tue Jul 15 06:08:22 PDT 2025
On 7/15/2025 8:51 PM, Chuan Liu via B4 Relay wrote:
> [ EXTERNAL EMAIL ]
>
> From: Chuan Liu <chuan.liu at amlogic.com>
>
> Add video encoder, demodulator and CVBS clocks.
>
> Signed-off-by: Chuan Liu <chuan.liu at amlogic.com>
> ---
> drivers/clk/meson/s4-peripherals.c | 256 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 256 insertions(+)
>
> diff --git a/drivers/clk/meson/s4-peripherals.c b/drivers/clk/meson/s4-peripherals.c
> index c9400cf54c84..f43526d506b1 100644
> --- a/drivers/clk/meson/s4-peripherals.c
> +++ b/drivers/clk/meson/s4-peripherals.c
> @@ -44,6 +44,7 @@
> #define CLKCTRL_VDIN_MEAS_CLK_CTRL 0x0f8
> #define CLKCTRL_VAPBCLK_CTRL 0x0fc
> #define CLKCTRL_HDCP22_CTRL 0x100
> +#define CLKCTRL_CDAC_CLK_CTRL 0x108
> #define CLKCTRL_VDEC_CLK_CTRL 0x140
> #define CLKCTRL_VDEC2_CLK_CTRL 0x144
> #define CLKCTRL_VDEC3_CLK_CTRL 0x148
> @@ -1117,6 +1118,22 @@ static struct clk_regmap s4_cts_encp_sel = {
> },
> };
>
> +static struct clk_regmap s4_cts_encl_sel = {
> + .data = &(struct clk_regmap_mux_data){
> + .offset = CLKCTRL_VIID_CLK_DIV,
> + .mask = 0xf,
> + .shift = 12,
> + .table = mux_table_cts_sel,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "cts_encl_sel",
> + .ops = &clk_regmap_mux_ops,
> + .parent_hws = s4_cts_parent_hws,
> + .num_parents = ARRAY_SIZE(s4_cts_parent_hws),
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> static struct clk_regmap s4_cts_vdac_sel = {
> .data = &(struct clk_regmap_mux_data){
> .offset = CLKCTRL_VIID_CLK_DIV,
> @@ -1196,6 +1213,22 @@ static struct clk_regmap s4_cts_encp = {
> },
> };
>
> +static struct clk_regmap s4_cts_encl = {
> + .data = &(struct clk_regmap_gate_data){
> + .offset = CLKCTRL_VID_CLK_CTRL2,
> + .bit_idx = 3,
> + },
> + .hw.init = &(struct clk_init_data) {
> + .name = "cts_encl",
> + .ops = &clk_regmap_gate_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_cts_encl_sel.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> static struct clk_regmap s4_cts_vdac = {
> .data = &(struct clk_regmap_gate_data){
> .offset = CLKCTRL_VID_CLK_CTRL2,
> @@ -1228,6 +1261,56 @@ static struct clk_regmap s4_hdmi_tx = {
> },
> };
>
> +static struct clk_regmap s4_lcd_an_sel = {
> + .data = &(struct clk_regmap_mux_data){
> + .offset = CLKCTRL_VIID_CLK_DIV,
> + .mask = 0x1,
> + .shift = 11,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "lcd_an_sel",
> + .ops = &clk_regmap_mux_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_vclk_div6.hw,
> + &s4_vclk_div12.hw,
> + },
> + .num_parents = 2,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_regmap s4_lcd_an_ph2 = {
> + .data = &(struct clk_regmap_gate_data){
> + .offset = CLKCTRL_VID_CLK_CTRL2,
> + .bit_idx = 7,
> + },
> + .hw.init = &(struct clk_init_data) {
> + .name = "lcd_an_ph2",
> + .ops = &clk_regmap_gate_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_lcd_an_sel.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_regmap s4_lcd_an_ph3 = {
> + .data = &(struct clk_regmap_gate_data){
> + .offset = CLKCTRL_VID_CLK_CTRL2,
> + .bit_idx = 7,
Apologies for the oversight - this should be '.bit_idx = 6'. I'll
correct it in the next revision.
> + },
> + .hw.init = &(struct clk_init_data) {
> + .name = "lcd_an_ph3",
> + .ops = &clk_regmap_gate_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_lcd_an_sel.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> /* HDMI Clocks */
> static const struct clk_parent_data s4_hdmi_parent_data[] = {
> { .fw_name = "xtal", },
> @@ -3174,6 +3257,165 @@ static struct clk_regmap s4_gen_clk = {
> },
> };
>
> +/* CVBS DAC */
> +static struct clk_regmap s4_cdac_sel = {
> + .data = &(struct clk_regmap_mux_data) {
> + .offset = CLKCTRL_CDAC_CLK_CTRL,
> + .mask = 0x3,
> + .shift = 16,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "cdac_sel",
> + .ops = &clk_regmap_mux_ops,
> + .parent_data = (const struct clk_parent_data []) {
> + { .fw_name = "xtal", },
> + { .fw_name = "fclk_div5" },
> + },
> + .num_parents = 2,
> + },
> +};
> +
> +static struct clk_regmap s4_cdac_div = {
> + .data = &(struct clk_regmap_div_data) {
> + .offset = CLKCTRL_CDAC_CLK_CTRL,
> + .shift = 0,
> + .width = 16,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "cdac_div",
> + .ops = &clk_regmap_divider_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_cdac_sel.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_regmap s4_cdac = {
> + .data = &(struct clk_regmap_gate_data) {
> + .offset = CLKCTRL_CDAC_CLK_CTRL,
> + .bit_idx = 20,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "cdac",
> + .ops = &clk_regmap_gate_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_cdac_div.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_regmap s4_demod_core_sel = {
> + .data = &(struct clk_regmap_mux_data) {
> + .offset = CLKCTRL_DEMOD_CLK_CTRL,
> + .mask = 0x3,
> + .shift = 9,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "demod_core_sel",
> + .ops = &clk_regmap_mux_ops,
> + .parent_data = (const struct clk_parent_data []) {
> + { .fw_name = "xtal" },
> + { .fw_name = "fclk_div7" },
> + { .fw_name = "fclk_div4" }
> + },
> + .num_parents = 3,
> + },
> +};
> +
> +static struct clk_regmap s4_demod_core_div = {
> + .data = &(struct clk_regmap_div_data) {
> + .offset = CLKCTRL_DEMOD_CLK_CTRL,
> + .shift = 0,
> + .width = 7,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "demod_core_div",
> + .ops = &clk_regmap_divider_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_demod_core_sel.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_regmap s4_demod_core = {
> + .data = &(struct clk_regmap_gate_data) {
> + .offset = CLKCTRL_DEMOD_CLK_CTRL,
> + .bit_idx = 8
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "demod_core",
> + .ops = &clk_regmap_gate_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_demod_core_div.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +/* CVBS ADC */
> +static struct clk_regmap s4_adc_extclk_in_sel = {
> + .data = &(struct clk_regmap_mux_data) {
> + .offset = CLKCTRL_DEMOD_CLK_CTRL,
> + .mask = 0x7,
> + .shift = 25,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "adc_extclk_in_sel",
> + .ops = &clk_regmap_mux_ops,
> + .parent_data = (const struct clk_parent_data []) {
> + { .fw_name = "xtal" },
> + { .fw_name = "fclk_div4" },
> + { .fw_name = "fclk_div3" },
> + { .fw_name = "fclk_div5" },
> + { .fw_name = "fclk_div7" },
> + { .fw_name = "mpll2" },
> + { .fw_name = "gp0_pll" },
> + { .fw_name = "hifi_pll" }
> + },
> + .num_parents = 8,
> + },
> +};
> +
> +static struct clk_regmap s4_adc_extclk_in_div = {
> + .data = &(struct clk_regmap_div_data) {
> + .offset = CLKCTRL_DEMOD_CLK_CTRL,
> + .shift = 16,
> + .width = 7,
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "adc_extclk_in_div",
> + .ops = &clk_regmap_divider_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_adc_extclk_in_sel.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> +static struct clk_regmap s4_adc_extclk_in = {
> + .data = &(struct clk_regmap_gate_data) {
> + .offset = CLKCTRL_DEMOD_CLK_CTRL,
> + .bit_idx = 24
> + },
> + .hw.init = &(struct clk_init_data){
> + .name = "adc_extclk_in",
> + .ops = &clk_regmap_gate_ops,
> + .parent_hws = (const struct clk_hw *[]) {
> + &s4_adc_extclk_in_div.hw
> + },
> + .num_parents = 1,
> + .flags = CLK_SET_RATE_PARENT,
> + },
> +};
> +
> #define MESON_GATE(_name, _reg, _bit) \
> MESON_PCLK(_name, _reg, _bit, &s4_sys_clk.hw)
>
> @@ -3453,6 +3695,20 @@ static struct clk_hw *s4_periphs_hw_clks[] = {
> [CLKID_HDCP22_SKPCLK_SEL] = &s4_hdcp22_skpclk_mux.hw,
> [CLKID_HDCP22_SKPCLK_DIV] = &s4_hdcp22_skpclk_div.hw,
> [CLKID_HDCP22_SKPCLK] = &s4_hdcp22_skpclk_gate.hw,
> + [CLKID_CTS_ENCL_SEL] = &s4_cts_encl_sel.hw,
> + [CLKID_CTS_ENCL] = &s4_cts_encl.hw,
> + [CLKID_LCD_AN_SEL] = &s4_lcd_an_sel.hw,
> + [CLKID_LCD_AN_PH2] = &s4_lcd_an_ph2.hw,
> + [CLKID_LCD_AN_PH3] = &s4_lcd_an_ph3.hw,
> + [CLKID_CDAC_SEL] = &s4_cdac_sel.hw,
> + [CLKID_CDAC_DIV] = &s4_cdac_div.hw,
> + [CLKID_CDAC] = &s4_cdac.hw,
> + [CLKID_DEMOD_CORE_SEL] = &s4_demod_core_sel.hw,
> + [CLKID_DEMOD_CORE_DIV] = &s4_demod_core_div.hw,
> + [CLKID_DEMOD_CORE] = &s4_demod_core.hw,
> + [CLKID_ADC_EXTCLK_IN_SEL] = &s4_adc_extclk_in_sel.hw,
> + [CLKID_ADC_EXTCLK_IN_DIV] = &s4_adc_extclk_in_div.hw,
> + [CLKID_ADC_EXTCLK_IN] = &s4_adc_extclk_in.hw,
> };
>
> static const struct regmap_config clkc_regmap_config = {
>
> --
> 2.42.0
>
>
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