Re: [PATCH v3 6/7] arm64: dts: ti: k3-j722s-main: Add WIZ1 and Serdes1 nodes

From: Roger Quadros
Date: Tue May 28 2024 - 08:26:51 EST




On 24/05/2024 12:05, Siddharth Vadapalli wrote:
> The Serdes1 instance of Serdes on TI's J722S SoC is a 1 Lane Serdes with
> the WIZ1 instance of the WIZ wrapper used for configuring the Serdes.
>
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx>
> ---
> Current patch is v1. No changelog.
>
> arch/arm64/boot/dts/ti/k3-j722s-main.dtsi | 36 +++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j722s-main.dtsi b/arch/arm64/boot/dts/ti/k3-j722s-main.dtsi
> index 48b77e476c77..19a7e8413ad2 100644
> --- a/arch/arm64/boot/dts/ti/k3-j722s-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j722s-main.dtsi
> @@ -60,6 +60,42 @@ serdes0: serdes@f000000 {
> };
> };
>
> + serdes_wiz1: phy@f010000 {
> + compatible = "ti,am64-wiz-10g";
> + ranges = <0x0f010000 0x0 0x0f010000 0x00010000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + power-domains = <&k3_pds 280 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 280 0>, <&k3_clks 280 1>, <&serdes_refclk>;
> + clock-names = "fck", "core_ref_clk", "ext_ref_clk";
> + num-lanes = <1>;
> + #reset-cells = <1>;
> + #clock-cells = <1>;
> +
> + assigned-clocks = <&k3_clks 280 1>;
> + assigned-clock-parents = <&k3_clks 280 5>;
> +
> + serdes1: serdes@f010000 {
> + compatible = "ti,j721e-serdes-10g";
> + reg = <0x0f010000 0x00010000>;
> + reg-names = "torrent_phy";
> + resets = <&serdes_wiz1 0>;
> + reset-names = "torrent_reset";
> + clocks = <&serdes_wiz1 TI_WIZ_PLL0_REFCLK>,
> + <&serdes_wiz1 TI_WIZ_PHY_EN_REFCLK>;
> + clock-names = "refclk", "phy_en_refclk";
> + assigned-clocks = <&serdes_wiz1 TI_WIZ_PLL0_REFCLK>,
> + <&serdes_wiz1 TI_WIZ_PLL1_REFCLK>,
> + <&serdes_wiz1 TI_WIZ_REFCLK_DIG>;
> + assigned-clock-parents = <&k3_clks 280 1>,
> + <&k3_clks 280 1>,
> + <&k3_clks 280 1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + #clock-cells = <1>;
> + };
> + };
> +

Any particular reason to split addition of various nodes in the k3-j722s-main file?
I think all k3-j722s-main.dtsi additions can be in one patch.

> usbss1: usb@f920000 {
> compatible = "ti,j721e-usb";
> reg = <0x00 0x0f920000 0x00 0x100>;

--
cheers,
-roger