Merge tag 'at91-dt-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into soc/dt

Microchip AT91 device tree updates for v6.16

This update includes:
- more controllers enabled for SAMA7D65 SoC (Ethernet, Flexcoms,
  SRAM, DRAM, RTC, RTT, GBPR)
- cleanups and fixes for Calao boards

* tag 'at91-dt-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: dts: microchip: sama7g54_curiosity: Add fixed-partitions for spi-nor flash
  ARM: dts: microchip: sama7d65: Add RTT timer to curiosity board
  ARM: dts: microchip: sama7d65: Add RTT and GPBR Support for sama7d65 SoC
  ARM: dts: microchip: sama7d65: Add SRAM and DRAM components support
  ARM: dts: microchip: sama7d65_curiosity: add EEPROM
  ARM: dts: microchip: sama7d65: Add MCP16502 to sama7d65 curiosity
  ARM: dts: microchip: sama7d65: Enable GMAC interface
  ARM: dts: microchip: sama7d65: Add FLEXCOMs to sama7d65 SoC
  ARM: dts: microchip: sama7d65: Add gmac interfaces for sama7d65 SoC
  ARM: dts: at91: at91sam9263: fix NAND chip selects
  ARM: dts: at91: usb_a9g20: move wrong RTC node
  ARM: dts: at91: calao_usb: simplify chosen node
  ARM: dts: at91: usb_a9260: use 'stdout-path'
  ARM: dts: at91: calao_usb: simplify memory node
  ARM: dts: at91: usb_a9263: fix GPIO for Dataflash chip select
  ARM: dts: at91: usb_a9g20: add SPI EEPROM

Link: https://lore.kernel.org/r/20250516055330.10852-1-claudiu.beznea@tuxon.dev
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: arndb

arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts

@@ -30,6 +30,15 @@
 		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 {
@@ -60,6 +69,26 @@
 	status = "okay";
 };
 
+&gmac0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gmac0_default
+		     &pinctrl_gmac0_mdio_default
+		     &pinctrl_gmac0_txck_default
+		     &pinctrl_gmac0_phy_irq>;
+	phy-mode = "rgmii-id";
+	nvmem-cells = <&eeprom0_eui48>;
+	nvmem-cell-names = "mac-address";
+	status = "okay";
+
+	ethernet-phy@7 {
+		reg = <0x7>;
+		interrupt-parent = <&pioa>;
+		interrupts = <PIN_PC1 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
 &i2c10 {
 	dmas = <0>, <0>;
 	i2c-analog-filter;
@@ -99,13 +128,189 @@
 			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-on-in-suspend;
+				};
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+		};
+	};
+
+	eeprom0: eeprom@51 {
+		compatible = "microchip,24aa025e48";
+		reg = <0x51>;
+		size = <256>;
+		pagesize = <16>;
+		vcc-supply = <&vdd_3v3>;
+
+		nvmem-layout {
+			compatible = "fixed-layout";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			eeprom0_eui48: eui48@fa {
+				reg = <0xfa 0x6>;
+			};
+		};
+	};
 };
 
 &main_xtal {
 	clock-frequency = <24000000>;
 };
 
 &pioa {
+	pinctrl_gmac0_default: gmac0-default {
+		pinmux = <PIN_PA26__G0_TX0>,
+			 <PIN_PA27__G0_TX1>,
+			 <PIN_PB4__G0_TX2>,
+			 <PIN_PB5__G0_TX3>,
+			 <PIN_PA29__G0_RX0>,
+			 <PIN_PA30__G0_RX1>,
+			 <PIN_PB2__G0_RX2>,
+			 <PIN_PB6__G0_RX3>,
+			 <PIN_PA25__G0_TXCTL>,
+			 <PIN_PB3__G0_RXCK>,
+			 <PIN_PA28__G0_RXCTL>;
+		slew-rate = <0>;
+		bias-disable;
+	};
+
+	pinctrl_gmac0_mdio_default: gmac0-mdio-default {
+		pinmux = <PIN_PA31__G0_MDC>,
+			 <PIN_PB0__G0_MDIO>;
+		bias-disable;
+	};
+
+	pinctrl_gmac0_phy_irq: gmac0-phy-irq {
+		pinmux = <PIN_PC1__GPIO>;
+		bias-disable;
+	};
+
+	pinctrl_gmac0_txck_default: gmac0-txck-default {
+		pinmux = <PIN_PB1__G0_REFCK>;
+		slew-rate = <0>;
+		bias-pull-up;
+	};
+
 	pinctrl_i2c10_default: i2c10-default{
 		pinmux = <PIN_PB19__FLEXCOM10_IO1>,
 			 <PIN_PB20__FLEXCOM10_IO0>;
@@ -141,6 +346,10 @@
 	};
 };
 
+&rtt {
+	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
+};
+
 &sdmmc1 {
 	bus-width = <4>;
 	pinctrl-names = "default";

arch/arm/boot/dts/microchip/at91-sama7g54_curiosity.dts

@@ -369,6 +369,38 @@
 		spi-tx-bus-width = <4>;
 		spi-rx-bus-width = <4>;
 		m25p,fast-read;
+		label = "at91-qspi";
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			at91bootstrap@0 {
+				label = "qspi1: at91bootstrap";
+				reg = <0x0 0x40000>;
+			};
+
+			bootloader@40000 {
+				label = "qspi1: u-boot";
+				reg = <0x40000 0x100000>;
+			};
+
+			bootloaderenv@140000 {
+				label = "qspi1: u-boot env";
+				reg = <0x140000 0x40000>;
+			};
+
+			dtb@180000 {
+				label = "qspi1: device tree";
+				reg = <0x180000 0x80000>;
+			};
+
+			kernel@200000 {
+				label = "qspi1: kernel";
+				reg = <0x200000 0x600000>;
+			};
+		};
 	};
 };
 

arch/arm/boot/dts/microchip/at91sam9263ek.dts

@@ -152,7 +152,7 @@
 				nand@3 {
 					reg = <0x3 0x0 0x800000>;
 					rb-gpios = <&pioA 22 GPIO_ACTIVE_HIGH>;
-					cs-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
+					cs-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
 					nand-bus-width = <8>;
 					nand-ecc-mode = "soft";
 					nand-on-flash-bbt;