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From: <Ryan.Wanner@microchip.com>
To: <andrew+netdev@lunn.ch>, <davem@davemloft.net>, <edumazet@google.com>,
<kuba@kernel.org>, <pabeni@redhat.com>, <robh@kernel.org>,
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CC: <nicolas.ferre@microchip.com>, <netdev@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>, Ryan Wanner
<Ryan.Wanner@microchip.com>
Subject: [PATCH 5/6] ARM: dts: microchip: sama7d65: Add MCP16502 to sama7d65
curiosity
Date: Tue, 1 Apr 2025 09:13:21 -0700
Message-ID:
<60f6b7764227bb42c74404e8ca1388477183b7b5.1743523114.git.Ryan.Wanner@microchip.com>
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From: Ryan Wanner <Ryan.Wanner@microchip.com>
Add MCP16502 to the sama7d65_curiosity board to control voltages in the
MPU. The device is connected to twi 10 interface
Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
---
.../dts/microchip/at91-sama7d65_curiosity.dts | 135 ++++++++++++++++++
1 file changed, 135 insertions(+)
diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch=
/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
index 441370dbb4c2..81abc387112d 100644
--- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
+++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
@@ -30,6 +30,15 @@ memory@60000000 {
device_type =3D "memory";
reg =3D <0x60000000 0x40000000>;
};
+
+ reg_5v: regulator-5v {
+ compatible =3D "regulator-fixed";
+ regulator-name =3D "5V_MAIN";
+ regulator-min-microvolt =3D <5000000>;
+ regulator-max-microvolt =3D <5000000>;
+ regulator-always-on;
+ };
+
};
=20
&dma0 {
@@ -99,6 +108,132 @@ channel@4 {
label =3D "VDDCPU";
};
};
+
+ pmic@5b {
+ compatible =3D "microchip,mcp16502";
+ reg =3D <0x5b>;
+ lvin-supply =3D <®_5v>;
+ pvin1-supply =3D <®_5v>;
+ pvin2-supply =3D <®_5v>;
+ pvin3-supply =3D <®_5v>;
+ pvin4-supply =3D <®_5v>;
+ status =3D "okay";
+
+ regulators {
+ vdd_3v3: VDD_IO {
+ regulator-name =3D "VDD_IO";
+ regulator-min-microvolt =3D <3300000>;
+ regulator-max-microvolt =3D <3300000>;
+ regulator-initial-mode =3D <2>;
+ regulator-allowed-modes =3D <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt =3D <3300000>;
+ regulator-mode =3D <4>;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ regulator-mode =3D <4>;
+ };
+ };
+
+ vddioddr: VDD_DDR {
+ regulator-name =3D "VDD_DDR";
+ regulator-min-microvolt =3D <1350000>;
+ regulator-max-microvolt =3D <1350000>;
+ regulator-initial-mode =3D <2>;
+ regulator-allowed-modes =3D <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt =3D <1350000>;
+ regulator-mode =3D <4>;
+ };
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt =3D <1350000>;
+ regulator-mode =3D <4>;
+ };
+ };
+
+ vddcore: VDD_CORE {
+ regulator-name =3D "VDD_CORE";
+ regulator-min-microvolt =3D <1050000>;
+ regulator-max-microvolt =3D <1050000>;
+ regulator-initial-mode =3D <2>;
+ regulator-allowed-modes =3D <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt =3D <1050000>;
+ regulator-mode =3D <4>;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ regulator-mode =3D <4>;
+ };
+ };
+
+ vddcpu: VDD_OTHER {
+ regulator-name =3D "VDD_OTHER";
+ regulator-min-microvolt =3D <1050000>;
+ regulator-max-microvolt =3D <1250000>;
+ regulator-initial-mode =3D <2>;
+ regulator-allowed-modes =3D <2>, <4>;
+ regulator-ramp-delay =3D <3125>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt =3D <1050000>;
+ regulator-mode =3D <4>;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ regulator-mode =3D <4>;
+ };
+ };
+
+ vldo1: LDO1 {
+ regulator-name =3D "LDO1";
+ regulator-min-microvolt =3D <1800000>;
+ regulator-max-microvolt =3D <1800000>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-suspend-microvolt =3D <1800000>;
+ regulator-on-in-suspend;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vldo2: LDO2 {
+ regulator-name =3D "LDO2";
+ regulator-min-microvolt =3D <1200000>;
+ regulator-max-microvolt =3D <3700000>;
+
+ regulator-state-standby {
+ regulator-suspend-microvolt =3D <1800000>;
+ regulator-on-in-suspend;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+ };
};
=20
&main_xtal {
--=20
2.43.0