Files
LibreELEC.tv/packages/linux/patches/rockchip-old/rockchip-0036-WIP-1002-arm64-dts-rockchip-add-gpu-powerdomain-gpu-.patch
Christian Hewitt 16d8875e4f linux: update rockchip-old to Linux 6.16.7
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
2025-09-22 13:54:39 +00:00

113 lines
3.2 KiB
Diff

From a77b197930d1b8c2890c12b9d128eba23361c067 Mon Sep 17 00:00:00 2001
From: Alex Bee <knaerzche@gmail.com>
Date: Wed, 2 Sep 2020 19:52:02 +0200
Subject: [PATCH 36/59] WIP/1002: arm64: dts: rockchip: add gpu powerdomain,
gpu opp-table and cooling cell for RK3328
Note: since the regulator that supplies the GPU usually also supplies
other SoC components, we have to make sure voltage is never lower then
1075 mV - also disable 500 MHz for now, since it will crash if rkvdec
is running at the same time (voltage too high)
Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi | 4 +++
.../arm64/boot/dts/rockchip/rk3328-rock64.dts | 4 +++
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 35 +++++++++++++++++++
3 files changed, 43 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi b/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
index b5bd5e7d5748..7eef6f7f108f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
@@ -160,6 +160,10 @@ &gmac2io {
status = "okay";
};
+&gpu {
+ mali-supply = <&vdd_logic>;
+};
+
&hdmi {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
index 5367e5fa9232..592fd8ca21df 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
@@ -152,6 +152,10 @@ &gmac2io {
status = "okay";
};
+&gpu {
+ mali-supply = <&vdd_logic>;
+};
+
&hdmi {
avdd-0v9-supply = <&vdd_10>;
avdd-1v8-supply = <&vcc_18>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 48d1a6292818..e3beadde6c07 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -331,6 +331,11 @@ power: power-controller {
#address-cells = <1>;
#size-cells = <0>;
+ power-domain@RK3328_PD_GPU {
+ reg = <RK3328_PD_GPU>;
+ clocks = <&cru ACLK_GPU>;
+ #power-domain-cells = <0>;
+ };
power-domain@RK3328_PD_HEVC {
reg = <RK3328_PD_HEVC>;
clocks = <&cru SCLK_VENC_CORE>;
@@ -570,6 +575,11 @@ map0 {
<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
contribution = <4096>;
};
+ map1 {
+ trip = <&target>;
+ cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ contribution = <4096>;
+ };
};
};
@@ -651,7 +661,32 @@ gpu: gpu@ff300000 {
"ppmmu1";
clocks = <&cru ACLK_GPU>, <&cru ACLK_GPU>;
clock-names = "bus", "core";
+ operating-points-v2 = <&gpu_opp_table>;
+ power-domains = <&power RK3328_PD_GPU>;
resets = <&cru SRST_GPU_A>;
+ #cooling-cells = <2>;
+ };
+
+ gpu_opp_table: gpu-opp-table {
+ compatible = "operating-points-v2";
+
+ opp-200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ opp-microvolt = <1075000>;
+ };
+ opp-300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-microvolt = <1075000>;
+ };
+ opp-400000000 {
+ opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <1075000>;
+ };
+ opp-500000000 {
+ opp-hz = /bits/ 64 <500000000>;
+ opp-microvolt = <1150000>;
+ status = "disabled";
+ };
};
h265e_mmu: iommu@ff330200 {
--
2.34.1