On Sun, Nov 02, 2025 at 05:09:07PM +0100, Marek Vasut wrote:
> The instance of the GPU populated in i.MX95 is the G310, describe this
> GPU in the DT. Include dummy GPU voltage regulator and OPP tables.

The commit log seems need an update for the regulator part?

Shawn

> 
> Reviewed-by: Frank Li <[email protected]>
> Signed-off-by: Marek Vasut <[email protected]>
> ---
> Cc: Boris Brezillon <[email protected]>
> Cc: Conor Dooley <[email protected]>
> Cc: David Airlie <[email protected]>
> Cc: Fabio Estevam <[email protected]>
> Cc: Jiyu Yang (OSS) <[email protected]>
> Cc: Krzysztof Kozlowski <[email protected]>
> Cc: Liviu Dudau <[email protected]>
> Cc: Maarten Lankhorst <[email protected]>
> Cc: Maxime Ripard <[email protected]>
> Cc: Pengutronix Kernel Team <[email protected]>
> Cc: Philipp Zabel <[email protected]>
> Cc: Rob Herring <[email protected]>
> Cc: Sascha Hauer <[email protected]>
> Cc: Sebastian Reichel <[email protected]>
> Cc: Shawn Guo <[email protected]>
> Cc: Simona Vetter <[email protected]>
> Cc: Steven Price <[email protected]>
> Cc: Thomas Zimmermann <[email protected]>
> Cc: Xianzhong Li <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> ---
> V2: - Drop regulator-{always,boot}-on from fixed-gpu-reg regulator
>     - Keep the GPU and GPUMIX always enabled
>     - Switch from fsl, to nxp, vendor prefix
>     - Fix opp_table to opp-table
>     - Describe IMX95_CLK_GPUAPB as coregroup clock
>     - Sort interrupts by their names to match bindings
> V3: - Drop perf power domain
>     - Drop reset block controller
> V4: - Add RB from Frank
>     - Drop the now optional GPU regulator
> ---
>  arch/arm64/boot/dts/freescale/imx95.dtsi | 37 ++++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi 
> b/arch/arm64/boot/dts/freescale/imx95.dtsi
> index a91e1724ab1a4..e45014d50abef 100644
> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
> @@ -250,6 +250,28 @@ dummy: clock-dummy {
>               clock-output-names = "dummy";
>       };
>  
> +     gpu_opp_table: opp-table {
> +             compatible = "operating-points-v2";
> +
> +             opp-500000000 {
> +                     opp-hz = /bits/ 64 <500000000>;
> +                     opp-hz-real = /bits/ 64 <500000000>;
> +                     opp-microvolt = <920000>;
> +             };
> +
> +             opp-800000000 {
> +                     opp-hz = /bits/ 64 <800000000>;
> +                     opp-hz-real = /bits/ 64 <800000000>;
> +                     opp-microvolt = <920000>;
> +             };
> +
> +             opp-1000000000 {
> +                     opp-hz = /bits/ 64 <1000000000>;
> +                     opp-hz-real = /bits/ 64 <1000000000>;
> +                     opp-microvolt = <920000>;
> +             };
> +     };
> +
>       clk_ext1: clock-ext1 {
>               compatible = "fixed-clock";
>               #clock-cells = <0>;
> @@ -2139,6 +2161,21 @@ netc_emdio: mdio@0,0 {
>                       };
>               };
>  
> +             gpu: gpu@4d900000 {
> +                     compatible = "nxp,imx95-mali", "arm,mali-valhall-csf";
> +                     reg = <0 0x4d900000 0 0x480000>;
> +                     clocks = <&scmi_clk IMX95_CLK_GPU>, <&scmi_clk 
> IMX95_CLK_GPUAPB>;
> +                     clock-names = "core", "coregroup";
> +                     interrupts = <GIC_SPI 289 IRQ_TYPE_LEVEL_HIGH>,
> +                                  <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>,
> +                                  <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>;
> +                     interrupt-names = "job", "mmu", "gpu";
> +                     operating-points-v2 = <&gpu_opp_table>;
> +                     power-domains = <&scmi_devpd IMX95_PD_GPU>;
> +                     #cooling-cells = <2>;
> +                     dynamic-power-coefficient = <1013>;
> +             };
> +
>               ddr-pmu@4e090dc0 {
>                       compatible = "fsl,imx95-ddr-pmu", "fsl,imx93-ddr-pmu";
>                       reg = <0x0 0x4e090dc0 0x0 0x200>;
> -- 
> 2.51.0
> 

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