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authorAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2023-03-01 12:55:08 +0300
committerMatthias Brugger <matthias.bgg@gmail.com>2023-03-30 10:47:07 +0300
commit5dba6621771d37587c1fe929acde21759e3d56d7 (patch)
tree2486ed2f1a3dc3624c67cc5210d9d0f2f0e8a9a5 /arch
parentdbe602b27793afd18e4dbc15c8d308ef28f49056 (diff)
downloadlinux-5dba6621771d37587c1fe929acde21759e3d56d7.tar.xz
arm64: dts: mt8183-pumpkin: Couple VGPU and VSRAM_GPU regulators
Add coupling for these regulators, as they have a strict voltage output relation to satisfy in order to ensure GPU stable operation. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Link: https://lore.kernel.org/r/20230301095523.428461-5-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
index a1d01639df30..c228f04d086b 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
@@ -71,7 +71,6 @@
&gpu {
mali-supply = <&mt6358_vgpu_reg>;
- sram-supply = <&mt6358_vsram_gpu_reg>;
};
&i2c0 {
@@ -176,6 +175,16 @@
non-removable;
};
+&mt6358_vgpu_reg {
+ regulator-coupled-with = <&mt6358_vsram_gpu_reg>;
+ regulator-coupled-max-spread = <100000>;
+};
+
+&mt6358_vsram_gpu_reg {
+ regulator-coupled-with = <&mt6358_vgpu_reg>;
+ regulator-coupled-max-spread = <100000>;
+};
+
&pio {
i2c_pins_0: i2c0 {
pins_i2c{