[PATCH v3 2/2] clk: amlogic: add video-related clocks for S4 SoC

Chuan Liu chuan.liu at amlogic.com
Fri Sep 5 02:29:56 PDT 2025


Hi Krzysztof:

         Sorry, I forgot to add your 'Acked-by' tag in this version.

Please ignore this patch for now. I will re-add it in the next revision.


On 9/5/2025 5:06 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 | 203 +++++++++++++++++++++++++++++++++++++
>   1 file changed, 203 insertions(+)
>
> diff --git a/drivers/clk/meson/s4-peripherals.c b/drivers/clk/meson/s4-peripherals.c
> index 6d69b132d1e1..c0f877ce0993 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
> @@ -1126,6 +1127,22 @@ 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,
> @@ -1205,6 +1222,22 @@ 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,
> @@ -2735,6 +2768,165 @@ 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,
> +       },
> +};
> +
>   static const struct clk_parent_data s4_pclk_parents = { .hw = &s4_sys_clk.hw };
>
>   #define S4_PCLK(_name, _reg, _bit, _flags) \
> @@ -3028,6 +3220,17 @@ static struct clk_hw *s4_peripherals_hw_clks[] = {
>          [CLKID_HDCP22_SKPCLK_SEL]       = &s4_hdcp22_skpclk_sel.hw,
>          [CLKID_HDCP22_SKPCLK_DIV]       = &s4_hdcp22_skpclk_div.hw,
>          [CLKID_HDCP22_SKPCLK]           = &s4_hdcp22_skpclk.hw,
> +       [CLKID_CTS_ENCL_SEL]            = &s4_cts_encl_sel.hw,
> +       [CLKID_CTS_ENCL]                = &s4_cts_encl.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 meson_clkc_data s4_peripherals_clkc_data = {
>
> --
> 2.42.0
>
>



More information about the linux-amlogic mailing list