[PATCH 4/5] clk/exynos5420: add hdmi mux to change parents in hdmi driver

Rahul Sharma r.sh.open at gmail.com
Thu Jun 20 21:52:40 PDT 2013


+Mike

On Tue, Jun 18, 2013 at 8:03 PM, Rahul Sharma <rahul.sharma at samsung.com> wrote:
> hdmi driver needs to change the parent of hdmi clock
> to pixel clock or hdmiphy clock, based on the stability
> of hdmiphy. This patch is exposing the mux for changing
> the parent.
>
> Signed-off-by: Rahul Sharma <rahul.sharma at samsung.com>
> ---
>  Documentation/devicetree/bindings/clock/exynos5420-clock.txt |    5 +++++
>  drivers/clk/samsung/clk-exynos5420.c                         |    5 ++++-
>  2 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/clock/exynos5420-clock.txt b/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
> index f0b1ce0..c7a319d 100644
> --- a/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
> +++ b/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
> @@ -182,6 +182,11 @@ clock which they consume.
>    g3d                  501
>    smmu_tv              502
>
> +  Mux                  ID
> +  ----------------------------
> +
> +  mout_hdmi            1024
> +
>  Example 1: An example of a clock controller node is listed below.
>
>         clock: clock-controller at 0x10010000 {
> diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
> index 193d25e..59cf177 100644
> --- a/drivers/clk/samsung/clk-exynos5420.c
> +++ b/drivers/clk/samsung/clk-exynos5420.c
> @@ -111,6 +111,9 @@ enum exynos5420_clks {
>         aclk333_g2d = 480, g2d, aclk333_432_gscl = 490, smmu_3aa, smmu_fimcl0,
>         smmu_fimcl1, smmu_fimcl3, fimc_lite3, aclk_g3d = 500, g3d, smmu_tv,
>
> +       /* mux clocks */
> +       mout_hdmi = 1024,
> +
>         nr_clks,
>  };
>
> @@ -371,7 +374,7 @@ struct samsung_mux_clock exynos5420_mux_clks[] __initdata = {
>         MUX(none, "mout_mipi1", group2_p, SRC_DISP10, 16, 3),
>         MUX(none, "mout_dp1", group2_p, SRC_DISP10, 20, 3),
>         MUX(none, "mout_pixel", group2_p, SRC_DISP10, 24, 3),
> -       MUX(none, "mout_hdmi", hdmi_p, SRC_DISP10, 28, 1),
> +       MUX(mout_hdmi, "mout_hdmi", hdmi_p, SRC_DISP10, 28, 1),
>
>         /* MAU Block */
>         MUX(none, "mout_maudio0", maudio0_p, SRC_MAU, 28, 3),
> --
> 1.7.10.4
>
> --
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