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Message-ID: <4f080424-0f17-3b5d-4687-553480b8ad34@foss.st.com>
Date: Tue, 15 Feb 2022 17:50:29 +0100
From: Patrice CHOTARD <patrice.chotard@...s.st.com>
To: Alain Volmat <avolmat@...com>, Rob Herring <robh+dt@...nel.org>
CC: Arnd Bergmann <arnd@...db.de>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/7] ARM: dts: sti: ensure unique unit-address in
stih418-clock
Hi ALain
On 2/11/22 19:16, Alain Volmat wrote:
> Move quadfs and a9-mux clocks nodes into clockgen nodes so
> that they can get the reg property from the parent node and
> ensure only one node has the address.
>
> Signed-off-by: Alain Volmat <avolmat@...com>
> ---
> arch/arm/boot/dts/stih418-clock.dtsi | 101 +++++++++++++--------------
> 1 file changed, 48 insertions(+), 53 deletions(-)
>
> diff --git a/arch/arm/boot/dts/stih418-clock.dtsi b/arch/arm/boot/dts/stih418-clock.dtsi
> index e84c476b83ed..e1749e92a2e7 100644
> --- a/arch/arm/boot/dts/stih418-clock.dtsi
> +++ b/arch/arm/boot/dts/stih418-clock.dtsi
> @@ -32,7 +32,7 @@ clocks {
> */
> clockgen-a9@...0000 {
> compatible = "st,clkgen-c32";
> - reg = <0x92b0000 0xffff>;
> + reg = <0x92b0000 0x10000>;
>
> clockgen_a9_pll: clockgen-a9-pll {
> #clock-cells = <1>;
> @@ -40,30 +40,29 @@ clockgen_a9_pll: clockgen-a9-pll {
>
> clocks = <&clk_sysin>;
> };
> - };
> -
> - /*
> - * ARM CPU related clocks.
> - */
> - clk_m_a9: clk-m-a9@...0000 {
> - #clock-cells = <0>;
> - compatible = "st,stih407-clkgen-a9-mux", "st,clkgen-mux";
> - reg = <0x92b0000 0x10000>;
> -
> - clocks = <&clockgen_a9_pll 0>,
> - <&clockgen_a9_pll 0>,
> - <&clk_s_c0_flexgen 13>,
> - <&clk_m_a9_ext2f_div2>;
>
> /*
> - * ARM Peripheral clock for timers
> + * ARM CPU related clocks.
> */
> - arm_periph_clk: clk-m-a9-periphs {
> + clk_m_a9: clk-m-a9 {
> #clock-cells = <0>;
> - compatible = "fixed-factor-clock";
> - clocks = <&clk_m_a9>;
> - clock-div = <2>;
> - clock-mult = <1>;
> + compatible = "st,stih407-clkgen-a9-mux", "st,clkgen-mux";
> +
> + clocks = <&clockgen_a9_pll 0>,
> + <&clockgen_a9_pll 0>,
> + <&clk_s_c0_flexgen 13>,
> + <&clk_m_a9_ext2f_div2>;
> +
> + /*
> + * ARM Peripheral clock for timers
> + */
> + arm_periph_clk: clk-m-a9-periphs {
> + #clock-cells = <0>;
> + compatible = "fixed-factor-clock";
> + clocks = <&clk_m_a9>;
> + clock-div = <2>;
> + clock-mult = <1>;
> + };
> };
> };
>
> @@ -88,14 +87,6 @@ clk_s_a0_flexgen: clk-s-a0-flexgen {
> };
> };
>
> - clk_s_c0_quadfs: clk-s-c0-quadfs@...3000 {
> - #clock-cells = <1>;
> - compatible = "st,quadfs-pll";
> - reg = <0x9103000 0x1000>;
> -
> - clocks = <&clk_sysin>;
> - };
> -
> clk_s_c0: clockgen-c@...3000 {
> compatible = "st,clkgen-c32";
> reg = <0x9103000 0x1000>;
> @@ -114,6 +105,13 @@ clk_s_c0_pll1: clk-s-c0-pll1 {
> clocks = <&clk_sysin>;
> };
>
> + clk_s_c0_quadfs: clk-s-c0-quadfs {
> + #clock-cells = <1>;
> + compatible = "st,quadfs-pll";
> +
> + clocks = <&clk_sysin>;
> + };
> +
> clk_s_c0_flexgen: clk-s-c0-flexgen {
> #clock-cells = <1>;
> compatible = "st,flexgen", "st,flexgen-stih418-c0";
> @@ -143,18 +141,17 @@ clk_m_a9_ext2f_div2: clk-m-a9-ext2f-div2s {
> };
> };
>
> - clk_s_d0_quadfs: clk-s-d0-quadfs@...4000 {
> - #clock-cells = <1>;
> - compatible = "st,quadfs-d0";
> - reg = <0x9104000 0x1000>;
> -
> - clocks = <&clk_sysin>;
> - };
> -
> clockgen-d0@...4000 {
> compatible = "st,clkgen-c32";
> reg = <0x9104000 0x1000>;
>
> + clk_s_d0_quadfs: clk-s-d0-quadfs {
> + #clock-cells = <1>;
> + compatible = "st,quadfs-d0";
> +
> + clocks = <&clk_sysin>;
> + };
> +
> clk_s_d0_flexgen: clk-s-d0-flexgen {
> #clock-cells = <1>;
> compatible = "st,flexgen", "st,flexgen-stih410-d0";
> @@ -167,18 +164,17 @@ clk_s_d0_flexgen: clk-s-d0-flexgen {
> };
> };
>
> - clk_s_d2_quadfs: clk-s-d2-quadfs@...6000 {
> - #clock-cells = <1>;
> - compatible = "st,quadfs-d2";
> - reg = <0x9106000 0x1000>;
> -
> - clocks = <&clk_sysin>;
> - };
> -
> clockgen-d2@...6000 {
> compatible = "st,clkgen-c32";
> reg = <0x9106000 0x1000>;
>
> + clk_s_d2_quadfs: clk-s-d2-quadfs {
> + #clock-cells = <1>;
> + compatible = "st,quadfs-d2";
> +
> + clocks = <&clk_sysin>;
> + };
> +
> clk_s_d2_flexgen: clk-s-d2-flexgen {
> #clock-cells = <1>;
> compatible = "st,flexgen", "st,flexgen-stih418-d2";
> @@ -193,18 +189,17 @@ clk_s_d2_flexgen: clk-s-d2-flexgen {
> };
> };
>
> - clk_s_d3_quadfs: clk-s-d3-quadfs@...7000 {
> - #clock-cells = <1>;
> - compatible = "st,quadfs-d3";
> - reg = <0x9107000 0x1000>;
> -
> - clocks = <&clk_sysin>;
> - };
> -
> clockgen-d3@...7000 {
> compatible = "st,clkgen-c32";
> reg = <0x9107000 0x1000>;
>
> + clk_s_d3_quadfs: clk-s-d3-quadfs {
> + #clock-cells = <1>;
> + compatible = "st,quadfs-d3";
> +
> + clocks = <&clk_sysin>;
> + };
> +
> clk_s_d3_flexgen: clk-s-d3-flexgen {
> #clock-cells = <1>;
> compatible = "st,flexgen", "st,flexgen-stih407-d3";
Reviewed-by: Patrice Chotard <patrice.chotard@...s.st.com>
Thanks
Patrice
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