Re: [PATCH 2/2] ARM: dts: exynos: Add support for HDMI audio on exynos5433-tm2

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On Mon, Feb 5, 2018 at 6:21 PM, Sylwester Nawrocki
<s.nawrocki@xxxxxxxxxxx> wrote:
> This patch updates the sound node of the exynos5433-tm2 board
> and adds clock tree configuration in order to support HDMI sound.
>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> ---
>  .../boot/dts/exynos/exynos5433-tm2-common.dtsi     | 67 ++++++++++++++++++++--
>  arch/arm64/boot/dts/exynos/exynos5433.dtsi         |  1 +
>  2 files changed, 64 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> index a77462da4a36..37fb477a2d23 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> @@ -14,6 +14,7 @@
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/input.h>
>  #include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/sound/samsung-i2s.h>
>
>  / {
>         aliases {
> @@ -112,8 +113,8 @@
>
>         sound {
>                 compatible = "samsung,tm2-audio";
> -               audio-codec = <&wm5110>;
> -               i2s-controller = <&i2s0>;
> +               audio-codec = <&wm5110>, <&hdmi>;
> +               i2s-controller = <&i2s0 0>, <&i2s1 0>;
>                 audio-amplifier = <&max98504>;
>                 mic-bias-gpios = <&gpr3 2 GPIO_ACTIVE_HIGH>;
>                 model = "wm5110";
> @@ -216,9 +217,63 @@
>         status = "okay";
>  };
>
> +&cmu_top {
> +       assigned-clocks = <&cmu_top CLK_FOUT_AUD_PLL>;
> +       assigned-clock-rates = <(196608009 + 1)>;
> +};
> +
>  &cmu_aud {
> -       assigned-clocks = <&cmu_aud CLK_MOUT_AUD_PLL_USER>;
> -       assigned-clock-parents = <&cmu_top CLK_FOUT_AUD_PLL>;
> +       assigned-clocks = <&cmu_aud CLK_MOUT_AUD_PLL_USER>,
> +                         <&cmu_aud CLK_MOUT_SCLK_AUD_I2S>,
> +                         <&cmu_aud CLK_MOUT_SCLK_AUD_PCM>,
> +                         <&cmu_top CLK_MOUT_AUD_PLL>,
> +
> +                         <&cmu_top CLK_MOUT_AUD_PLL_USER_T>,
> +                         <&cmu_top CLK_MOUT_SCLK_AUDIO0>,
> +                         <&cmu_top CLK_MOUT_SCLK_AUDIO1>,
> +                         <&cmu_top CLK_MOUT_SCLK_SPDIF>,
> +
> +                         <&cmu_aud CLK_DIV_AUD_CA5>,
> +                         <&cmu_aud CLK_DIV_ACLK_AUD>,
> +                         <&cmu_aud CLK_DIV_PCLK_DBG_AUD>,
> +                         <&cmu_aud CLK_DIV_SCLK_AUD_I2S>,
> +                         <&cmu_aud CLK_DIV_SCLK_AUD_PCM>,
> +                         <&cmu_aud CLK_DIV_SCLK_AUD_SLIMBUS>,
> +                         <&cmu_aud CLK_DIV_SCLK_AUD_UART>,
> +
> +                         <&cmu_top CLK_DIV_SCLK_AUDIO0>,
> +                         <&cmu_top CLK_DIV_SCLK_AUDIO1>,
> +                         <&cmu_top CLK_DIV_SCLK_PCM1>,
> +                         <&cmu_top CLK_DIV_SCLK_I2S1>;
> +
> +       assigned-clock-parents = <&cmu_top CLK_FOUT_AUD_PLL>,
> +                               <&cmu_aud CLK_MOUT_AUD_PLL_USER>,
> +                               <&cmu_aud CLK_MOUT_AUD_PLL_USER>,
> +                               <&cmu_top CLK_FOUT_AUD_PLL>,
> +
> +                               <&cmu_top CLK_MOUT_AUD_PLL>,
> +                               <&cmu_top CLK_MOUT_AUD_PLL_USER_T>,
> +                               <&cmu_top CLK_MOUT_AUD_PLL_USER_T>,
> +                               <&cmu_top CLK_SCLK_AUDIO0>;
> +
> +       assigned-clock-rates = <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>,
> +                               <(196608009 + 1)>,
> +                               <((196608009 / 3) + 1)>,
> +                               <((196608009 / 6) + 1)>,
> +                               <((196608009 / 4) + 1)>,
> +                               <((196608009 / 96) + 1)>,
> +                               <((196608009 / 8) + 1)>,
> +                               <(196608010 + 1)>,
> +
> +                               <((196608009 / 8) + 1)>,
> +                               <((196608009 / 2) + 1)>,
> +                               <((196608009 / 96) + 1)>,
> +                               <((196608009 / 4) + 1)>;
> +};
> +
> +&i2s1 {

Please move it further to i2s1 so all the nodes/labels will be ordered
alphabetically. As with #1 I understand that there is no explicit
dependency so please correct me if I am wrong.

Best regards,
Krzysztof
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