summaryrefslogtreecommitdiff
path: root/arch/arm64/boot/dts/mediatek
diff options
context:
space:
mode:
authorAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2023-03-01 12:55:09 +0300
committerMatthias Brugger <matthias.bgg@gmail.com>2023-03-30 10:47:07 +0300
commit85ae8a51437e8ff1d08b266129bddd0561c1bdfe (patch)
tree44299cd5e5da7bc3eb9ba4ad3a6bb19c4c8dca9b /arch/arm64/boot/dts/mediatek
parent5dba6621771d37587c1fe929acde21759e3d56d7 (diff)
downloadlinux-85ae8a51437e8ff1d08b266129bddd0561c1bdfe.tar.xz
arm64: dts: mediatek: mt8183-evb: 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/20230301095523.428461-6-angelogioacchino.delregno@collabora.com Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek')
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8183-evb.dts11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index 52dc4a50e34d..fd327437e932 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -52,7 +52,6 @@
&gpu {
mali-supply = <&mt6358_vgpu_reg>;
- sram-supply = <&mt6358_vsram_gpu_reg>;
};
&i2c0 {
@@ -138,6 +137,16 @@
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{