Re: [Patch v2 1/3] ARM: dts: am43xx: add support for clkout1 clock

From: Tony Lindgren
Date: Tue Nov 12 2019 - 10:39:58 EST


* Benoit Parrot <bparrot@xxxxxx> [191112 14:30]:
> From: Tero Kristo <t-kristo@xxxxxx>
>
> clkout1 clock node and its generation tree was missing. Add this based
> on the data on TRM and PRCM functional spec.
>
> commit 664ae1ab2536 ("ARM: dts: am43xx: add clkctrl nodes") effectively
> reverted this commit 8010f13a40d3 ("ARM: dts: am43xx: add support for
> clkout1 clock") which is needed for the ov2659 camera sensor clock
> definition hence it is being re-applied here.
>
> Note that because of the current dts node name dependency for mapping to
> clock domain, we must still use "clkout1-*ck" naming instead of generic
> "clock@" naming for the node. And because of this, it's probably best to
> apply the dts node addition together along with the other clock changes.
>
> Fixes: 664ae1ab2536 ("ARM: dts: am43xx: add clkctrl nodes")
> Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
> Tested-by: Benoit Parrot <bparrot@xxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>

Hmm I don't think I did any work on this, the above should be:

Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>

> Signed-off-by: Benoit Parrot <bparrot@xxxxxx>
> ---
> arch/arm/boot/dts/am43xx-clocks.dtsi | 54 ++++++++++++++++++++++++++++
> 1 file changed, 54 insertions(+)
>
> diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
> index 091356f2a8c1..c726cd8dbdf1 100644
> --- a/arch/arm/boot/dts/am43xx-clocks.dtsi
> +++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
> @@ -704,6 +704,60 @@
> ti,bit-shift = <8>;
> reg = <0x2a48>;
> };
> +
> + clkout1_osc_div_ck: clkout1-osc-div-ck {
> + #clock-cells = <0>;
> + compatible = "ti,divider-clock";
> + clocks = <&sys_clkin_ck>;
> + ti,bit-shift = <20>;
> + ti,max-div = <4>;
> + reg = <0x4100>;
> + };
> +
> + clkout1_src2_mux_ck: clkout1-src2-mux-ck {
> + #clock-cells = <0>;
> + compatible = "ti,mux-clock";
> + clocks = <&clk_rc32k_ck>, <&sysclk_div>, <&dpll_ddr_m2_ck>,
> + <&dpll_per_m2_ck>, <&dpll_disp_m2_ck>,
> + <&dpll_mpu_m2_ck>;
> + reg = <0x4100>;
> + };
> +
> + clkout1_src2_pre_div_ck: clkout1-src2-pre-div-ck {
> + #clock-cells = <0>;
> + compatible = "ti,divider-clock";
> + clocks = <&clkout1_src2_mux_ck>;
> + ti,bit-shift = <4>;
> + ti,max-div = <8>;
> + reg = <0x4100>;
> + };
> +
> + clkout1_src2_post_div_ck: clkout1-src2-post-div-ck {
> + #clock-cells = <0>;
> + compatible = "ti,divider-clock";
> + clocks = <&clkout1_src2_pre_div_ck>;
> + ti,bit-shift = <8>;
> + ti,max-div = <32>;
> + ti,index-power-of-two;
> + reg = <0x4100>;
> + };
> +
> + clkout1_mux_ck: clkout1-mux-ck {
> + #clock-cells = <0>;
> + compatible = "ti,mux-clock";
> + clocks = <&clkout1_osc_div_ck>, <&clk_rc32k_ck>,
> + <&clkout1_src2_post_div_ck>, <&dpll_extdev_m2_ck>;
> + ti,bit-shift = <16>;
> + reg = <0x4100>;
> + };
> +
> + clkout1_ck: clkout1-ck {
> + #clock-cells = <0>;
> + compatible = "ti,gate-clock";
> + clocks = <&clkout1_mux_ck>;
> + ti,bit-shift = <23>;
> + reg = <0x4100>;
> + };
> };
>
> &prcm {
> --
> 2.17.1
>
>
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