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 = <®_5v>;
+ pvin1-supply = <®_5v>;
+ pvin2-supply = <®_5v>;
+ pvin3-supply = <®_5v>;
+ pvin4-supply = <®_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
next prev 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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