[PATCH v6 11/12] clk: mediatek: Add hdmi_ref HDMI PHY PLL reference clock output

James Liao jamesjj.liao at mediatek.com
Wed Nov 25 22:02:04 PST 2015


On Wed, 2015-11-18 at 18:34 +0100, Philipp Zabel wrote:
> The configurable hdmi_ref output of the PLL block is derived from
> the tvdpll_594m clock signal via a configurable PLL post-divider.
> It is used as the PLL reference input to the HDMI PHY module.
> 
> Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>

Acked-by: James Liao <jamesjj.liao at mediatek.com>

> ---
>  drivers/clk/mediatek/clk-mt8173.c      | 5 +++++
>  include/dt-bindings/clock/mt8173-clk.h | 3 ++-
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c
> index b305fa2..d7eadda 100644
> --- a/drivers/clk/mediatek/clk-mt8173.c
> +++ b/drivers/clk/mediatek/clk-mt8173.c
> @@ -1091,6 +1091,11 @@ static void __init mtk_apmixedsys_init(struct device_node *node)
>  		clk_data->clks[cku->id] = clk;
>  	}
>  
> +	clk = clk_register_divider(NULL, "hdmi_ref", "tvdpll_594m", 0,
> +				   base + 0x40, 16, 3, CLK_DIVIDER_POWER_OF_TWO,
> +				   NULL);
> +	clk_data->clks[CLK_APMIXED_HDMI_REF] = clk;
> +
>  	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
>  	if (r)
>  		pr_err("%s(): could not register clock provider: %d\n",
> diff --git a/include/dt-bindings/clock/mt8173-clk.h b/include/dt-bindings/clock/mt8173-clk.h
> index 7956ba1..6094bf7 100644
> --- a/include/dt-bindings/clock/mt8173-clk.h
> +++ b/include/dt-bindings/clock/mt8173-clk.h
> @@ -176,7 +176,8 @@
>  #define CLK_APMIXED_LVDSPLL		13
>  #define CLK_APMIXED_MSDCPLL2		14
>  #define CLK_APMIXED_REF2USB_TX		15
> -#define CLK_APMIXED_NR_CLK		16
> +#define CLK_APMIXED_HDMI_REF		16
> +#define CLK_APMIXED_NR_CLK		17
>  
>  /* INFRA_SYS */
>  





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