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SubjectRe: [PATCH] ARM: dts: exynos: Use dedicated DT bindings for Odroid X/X2, U3
On Fri, May 11, 2018 at 10:09:47AM +0200, Sylwester Nawrocki wrote:
> Use dedicated Odroid audio subsystem DT bindings instead of the simple-card.
> This adds support for audio on the HDMI interface.

How about changing the subject to "Add suppor for audio over HDMI for
Odroid X/X2/U3"?


>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
> ---
> arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 33 ++++++++++++++-----------
> arch/arm/boot/dts/exynos4412-odroidu3.dts | 7 +++---
> arch/arm/boot/dts/exynos4412-odroidx.dts | 7 +++---
> 3 files changed, 27 insertions(+), 20 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> index d7ad07fd48f9..bad08e70358a 100644
> --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
> @@ -37,20 +37,12 @@
> };
>
> sound: sound {
> - compatible = "simple-audio-card";
> -
> - simple-audio-card,format = "i2s";
> - simple-audio-card,bitclock-master = <&link0_codec>;
> - simple-audio-card,frame-master = <&link0_codec>;
> -
> - simple-audio-card,cpu {
> + cpu {
> sound-dai = <&i2s0 0>;
> - system-clock-frequency = <19200000>;
> };
>
> - link0_codec: simple-audio-card,codec {
> - sound-dai = <&max98090>;
> - clocks = <&i2s0 CLK_I2S_CDCLK>;
> + codec {
> + sound-dai = <&hdmi>, <&max98090>;
> };
> };
>
> @@ -142,14 +134,25 @@
> pinctrl-0 = <>;
> };
>
> +&clock {
> + assigned-clocks = <&clock CLK_FOUT_EPLL>;
> + assigned-clock-rates = <45158401>;
> +};
> +
> &clock_audss {
> assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
> <&clock_audss EXYNOS_MOUT_I2S>,
> <&clock_audss EXYNOS_DOUT_SRP>,
> - <&clock_audss EXYNOS_DOUT_AUD_BUS>;
> + <&clock_audss EXYNOS_DOUT_AUD_BUS>,
> + <&clock_audss EXYNOS_DOUT_I2S>;
> +
> assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
> - <&clock_audss EXYNOS_MOUT_AUDSS>;
> - assigned-clock-rates = <0>, <0>, <192000000>, <19200000>;
> + <&clock_audss EXYNOS_MOUT_AUDSS>;
> +
> + assigned-clock-rates = <0>, <0>,
> + <196608001>,
> + <(196608001 / 2)>,
> + <(196608001 / 8)>;
> };
>
> &cpu0 {
> @@ -498,6 +501,8 @@
> pinctrl-0 = <&i2s0_bus>;
> pinctrl-names = "default";
> status = "okay";
> + assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>;
> + assigned-clock-parents = <&clock_audss EXYNOS_SCLK_I2S>;
> };
>
> &mixer {
> diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
> index bdcd4523cc1c..7a94a423097d 100644
> --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
> +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
> @@ -113,11 +113,12 @@
> };
>
> &sound {
> - simple-audio-card,name = "Odroid-U3";
> - simple-audio-card,widgets =
> + compatible = "hardkernel,odroid-xu4-audio";

The compatible is the same for all users using DTSI so it could be moved
to the exynos4412-odroid-common.dtsi itself.

Best regards,
Krzysztof

> + model = "Odroid-U3";
> + samsung,audio-widgets =
> "Headphone", "Headphone Jack",
> "Speakers", "Speakers";
> - simple-audio-card,routing =
> + samsung,audio-routing =
> "Headphone Jack", "HPL",
> "Headphone Jack", "HPR",
> "Headphone Jack", "MICBIAS",
> diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts
> index 2dff129bc2ad..f0d5037f3a5d 100644
> --- a/arch/arm/boot/dts/exynos4412-odroidx.dts
> +++ b/arch/arm/boot/dts/exynos4412-odroidx.dts
> @@ -97,12 +97,13 @@
> };
>
> &sound {
> - simple-audio-card,name = "Odroid-X";
> - simple-audio-card,widgets =
> + compatible = "hardkernel,odroid-xu4-audio";
> + model = "Odroid-X";
> + samsung,audio-widgets =
> "Headphone", "Headphone Jack",
> "Microphone", "Mic Jack",
> "Microphone", "DMIC";
> - simple-audio-card,routing =
> + samsung,audio-routing =
> "Headphone Jack", "HPL",
> "Headphone Jack", "HPR",
> "IN1", "Mic Jack",
> --
> 2.14.2
>

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