[PATCH v3 6/7] arm64: dts: imx8mp: add GPU power domains
Lucas Stach
l.stach at pengutronix.de
Mon Feb 28 12:17:30 PST 2022
Add the power domains for the GPUs, which do not require any interaction with
a blk-ctrl, but are simply two PU domains nested inside a MIX domain.
Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 27 +++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 69e533add539..9f2c335cc7a1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -503,6 +503,33 @@ pgc_usb2_phy: power-domain at 3 {
reg = <IMX8MP_POWER_DOMAIN_USB2_PHY>;
};
+ pgc_gpu2d: power-domain at 6 {
+ #power-domain-cells = <0>;
+ reg = <IMX8MP_POWER_DOMAIN_GPU2D>;
+ clocks = <&clk IMX8MP_CLK_GPU2D_ROOT>;
+ power-domains = <&pgc_gpumix>;
+ };
+
+ pgc_gpumix: power-domain at 7 {
+ #power-domain-cells = <0>;
+ reg = <IMX8MP_POWER_DOMAIN_GPUMIX>;
+ clocks = <&clk IMX8MP_CLK_GPU_ROOT>,
+ <&clk IMX8MP_CLK_GPU_AHB>;
+ assigned-clocks = <&clk IMX8MP_CLK_GPU_AXI>,
+ <&clk IMX8MP_CLK_GPU_AHB>;
+ assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_800M>,
+ <&clk IMX8MP_SYS_PLL1_800M>;
+ assigned-clock-rates = <800000000>, <400000000>;
+ };
+
+ pgc_gpu3d: power-domain at 9 {
+ #power-domain-cells = <0>;
+ reg = <IMX8MP_POWER_DOMAIN_GPU3D>;
+ clocks = <&clk IMX8MP_CLK_GPU3D_ROOT>,
+ <&clk IMX8MP_CLK_GPU3D_SHADER_CORE>;
+ power-domains = <&pgc_gpumix>;
+ };
+
pgc_hsiomix: power-domains at 17 {
#power-domain-cells = <0>;
reg = <IMX8MP_POWER_DOMAIN_HSIOMIX>;
--
2.30.2
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