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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>, <krzk+dt@kernel.org>, <onor+dt@kernel.org>,
	<alexandre.belloni@bootlin.com>, <claudiu.beznea@tuxon.dev>
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	[thread overview]
Message-ID: <60f6b7764227bb42c74404e8ca1388477183b7b5.1743523114.git.Ryan.Wanner@microchip.com> (raw)
In-Reply-To: <cover.1743523114.git.Ryan.Wanner@microchip.com>

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 = "memory";
 		reg = <0x60000000 0x40000000>;
 	};
+
+	reg_5v: regulator-5v {
+		compatible = "regulator-fixed";
+		regulator-name = "5V_MAIN";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
 };
 
 &dma0 {
@@ -99,6 +108,132 @@ channel@4 {
 			label = "VDDCPU";
 		};
 	};
+
+	pmic@5b {
+		compatible = "microchip,mcp16502";
+		reg = <0x5b>;
+		lvin-supply = <&reg_5v>;
+		pvin1-supply = <&reg_5v>;
+		pvin2-supply = <&reg_5v>;
+		pvin3-supply = <&reg_5v>;
+		pvin4-supply = <&reg_5v>;
+		status = "okay";
+
+		regulators {
+			vdd_3v3: VDD_IO {
+				regulator-name = "VDD_IO";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-initial-mode = <2>;
+				regulator-allowed-modes = <2>, <4>;
+				regulator-always-on;
+
+				regulator-state-standby {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <3300000>;
+					regulator-mode = <4>;
+				};
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+					regulator-mode = <4>;
+				};
+			};
+
+			vddioddr: VDD_DDR {
+				regulator-name = "VDD_DDR";
+				regulator-min-microvolt = <1350000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-initial-mode = <2>;
+				regulator-allowed-modes = <2>, <4>;
+				regulator-always-on;
+
+				regulator-state-standby {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1350000>;
+					regulator-mode = <4>;
+				};
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1350000>;
+					regulator-mode = <4>;
+				};
+			};
+
+			vddcore: VDD_CORE {
+				regulator-name = "VDD_CORE";
+				regulator-min-microvolt = <1050000>;
+				regulator-max-microvolt = <1050000>;
+				regulator-initial-mode = <2>;
+				regulator-allowed-modes = <2>, <4>;
+				regulator-always-on;
+
+				regulator-state-standby {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1050000>;
+					regulator-mode = <4>;
+				};
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+					regulator-mode = <4>;
+				};
+			};
+
+			vddcpu: VDD_OTHER {
+				regulator-name = "VDD_OTHER";
+				regulator-min-microvolt = <1050000>;
+				regulator-max-microvolt = <1250000>;
+				regulator-initial-mode = <2>;
+				regulator-allowed-modes = <2>, <4>;
+				regulator-ramp-delay = <3125>;
+				regulator-always-on;
+
+				regulator-state-standby {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1050000>;
+					regulator-mode = <4>;
+				};
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+					regulator-mode = <4>;
+				};
+			};
+
+			vldo1: LDO1 {
+				regulator-name = "LDO1";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+
+				regulator-state-standby {
+					regulator-suspend-microvolt = <1800000>;
+					regulator-on-in-suspend;
+				};
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vldo2: LDO2 {
+				regulator-name = "LDO2";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3700000>;
+
+				regulator-state-standby {
+					regulator-suspend-microvolt = <1800000>;
+					regulator-on-in-suspend;
+				};
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+		};
+	};
 };
 
 &main_xtal {
-- 
2.43.0


  parent reply	other threads:[~2025-04-01 16:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-01 16:13 [PATCH 0/6] Enable FLEXCOMs and GMAC for SAMA7D65 SoC Ryan.Wanner
2025-04-01 16:13 ` [PATCH 1/6] dt-bindings: net: cdns,macb: add sama7d65 ethernet interface Ryan.Wanner
2025-04-02  0:54   ` Jakub Kicinski
2025-04-02 13:28   ` Conor Dooley
2025-04-01 16:13 ` [PATCH 2/6] ARM: dts: microchip: sama7d65: Add gmac interfaces for sama7d65 SoC Ryan.Wanner
2025-04-01 16:13 ` [PATCH 3/6] ARM: dts: microchip: sama7d65: Add FLEXCOMs to " Ryan.Wanner
2025-04-11 14:29   ` Claudiu Beznea
2025-04-01 16:13 ` [PATCH 4/6] ARM: dts: microchip: sama7d65: Enable GMAC interface Ryan.Wanner
2025-04-11 14:29   ` Claudiu Beznea
2025-04-01 16:13 ` Ryan.Wanner [this message]
2025-04-11 14:30   ` [PATCH 5/6] ARM: dts: microchip: sama7d65: Add MCP16502 to sama7d65 curiosity Claudiu Beznea
2025-04-14 15:38     ` Ryan.Wanner
2025-04-27 13:43       ` Claudiu Beznea
2025-04-01 16:13 ` [PATCH 6/6] ARM: dts: microchip: sama7d65_curiosity: add EEPROM Ryan.Wanner
2025-04-27 13:44 ` [PATCH 0/6] Enable FLEXCOMs and GMAC for SAMA7D65 SoC Claudiu Beznea

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