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Message-Id: <20220721145017.918102-9-angelogioacchino.delregno@collabora.com>
Date:   Thu, 21 Jul 2022 16:50:17 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     matthias.bgg@...il.com
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v2 8/8] 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@...labora.com>
---
 .../boot/dts/mediatek/mt8195-cherry.dtsi      | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index 9086a440a995..6219544e9912 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -5,6 +5,7 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/spmi/spmi.h>
 #include "mt8195.dtsi"
 #include "mt6359.dtsi"
 
@@ -979,6 +980,47 @@ usb_c1: connector@1 {
 	};
 };
 
+&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";
 };
-- 
2.35.1

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