arm64: dts: mediatek: asurada: Add SPMI regulators

The Asurada platform uses regulators from MT6315 PMICs acessible through
SPMI. Add support for them.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20220629155956.1138955-17-nfraprado@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
index 31c9d1f..d56c73e 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
@@ -7,6 +7,7 @@
 #include "mt8192.dtsi"
 #include "mt6359.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/spmi/spmi.h>
 
 / {
        aliases {
@@ -679,6 +680,54 @@
        };
 };
 
+&spmi {
+       #address-cells = <2>;
+       #size-cells = <0>;
+
+       mt6315_6: pmic@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-allowed-modes = <0 1 2>;
+                               regulator-always-on;
+                       };
+
+                       mt6315_6_vbuck3: vbuck3 {
+                               regulator-compatible = "vbuck3";
+                               regulator-name = "Vlcpu";
+                               regulator-min-microvolt = <300000>;
+                               regulator-max-microvolt = <1193750>;
+                               regulator-enable-ramp-delay = <256>;
+                               regulator-allowed-modes = <0 1 2>;
+                               regulator-always-on;
+                       };
+               };
+       };
+
+       mt6315_7: pmic@7 {
+               compatible = "mediatek,mt6315-regulator";
+               reg = <0x7 SPMI_USID>;
+
+               regulators {
+                       mt6315_7_vbuck1: vbuck1 {
+                               regulator-compatible = "vbuck1";
+                               regulator-name = "Vgpu";
+                               regulator-min-microvolt = <606250>;
+                               regulator-max-microvolt = <1193750>;
+                               regulator-enable-ramp-delay = <256>;
+                               regulator-allowed-modes = <0 1 2>;
+                       };
+               };
+       };
+};
+
 &uart0 {
        status = "okay";
 };