arm64: dts: mediatek: cherry: Enable MT6315 regulators on SPMI bus

All machines in the Cherry platform use MT6315 over SPMI: add the
two instances, providing Vbcpu and Vgpu regulators.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220902081156.38526-8-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index ee59619068d9794f687afae1b29a5eebf3fd9f32..9b62e161db2618cfc049b378549c0bfb783f43e6 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/spmi/spmi.h>
 #include "mt8195.dtsi"
 #include "mt6359.dtsi"
 
@@ -832,6 +833,47 @@
        };
 };
 
+&spmi {
+       #address-cells = <2>;
+       #size-cells = <0>;
+
+       mt6315@6 {
+               compatible = "mediatek,mt6315-regulator";
+               reg = <0x6 SPMI_USID>;
+
+               regulators {
+                       mt6315_6_vbuck1: vbuck1 {
+                               regulator-compatible = "vbuck1";
+                               regulator-name = "Vbcpu";
+                               regulator-min-microvolt = <300000>;
+                               regulator-max-microvolt = <1193750>;
+                               regulator-enable-ramp-delay = <256>;
+                               regulator-ramp-delay = <6250>;
+                               regulator-allowed-modes = <0 1 2>;
+                               regulator-always-on;
+                       };
+               };
+       };
+
+       mt6315@7 {
+               compatible = "mediatek,mt6315-regulator";
+               reg = <0x7 SPMI_USID>;
+
+               regulators {
+                       mt6315_7_vbuck1: vbuck1 {
+                               regulator-compatible = "vbuck1";
+                               regulator-name = "Vgpu";
+                               regulator-min-microvolt = <625000>;
+                               regulator-max-microvolt = <1193750>;
+                               regulator-enable-ramp-delay = <256>;
+                               regulator-ramp-delay = <6250>;
+                               regulator-allowed-modes = <0 1 2>;
+                               regulator-always-on;
+                       };
+               };
+       };
+};
+
 &u3phy0 {
        status = "okay";
 };