Merge tag 'at91-5.5-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/dt

AT91 DT for 5.5

 - New Overkiz Kizbox3 board
 - Rework of the other Kizbox device trees
 - New filters for i2c on sama5d4 and sama5d2

* tag 'at91-5.5-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: dts: at91: add a dts and dtsi file for kizbox2 based boards
  dt-bindings: arm: at91: Document Kizbox2-2 board binding
  ARM: dts: at91: sama5d4_xplained: add digital filter for i2c
  ARM: dts: at91: sama5d2_xplained: add analog and digital filter for i2c
  ARM: dts: at91: add Overkiz KIZBOX3 board
  dt-bindings: arm: at91: Document Kizbox3 HS board binding
  dt-bindings: Add vendor prefix for Overkiz SAS
  ARM: dts: at91: sama5d2: add an rtc label for derived boards
  ARM: dts: at91: sama5d27_som1_ek: add mmc capabilities for SDMMC0

Link: https://lore.kernel.org/r/20191108070938.GA215379@piout.netSigned-off-by: Olof Johansson <olof@lixom.net>

Documentation/devicetree/bindings/arm/atmel-at91.yaml

@@ -45,6 +45,13 @@ properties:
           - const: atmel,at91sam9x5
           - const: atmel,at91sam9
 
+      - description: Overkiz kizbox3 board
+        items:
+          - const: overkiz,kizbox3-hs
+          - const: atmel,sama5d27
+          - const: atmel,sama5d2
+          - const: atmel,sama5
+
       - items:
           - const: atmel,sama5d27
           - const: atmel,sama5d2
@@ -73,6 +80,13 @@ properties:
           - const: atmel,sama5d3
           - const: atmel,sama5
 
+      - description: Overkiz kizbox2 board with two heads
+        items:
+          - const: overkiz,kizbox2-2
+          - const: atmel,sama5d31
+          - const: atmel,sama5d3
+          - const: atmel,sama5
+
       - items:
           - enum:
               - atmel,sama5d31

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -705,6 +705,8 @@ patternProperties:
     description: Ortus Technology Co., Ltd.
   "^osddisplays,.*":
     description: OSD Displays
+  "^overkiz,.*":
+    description: Overkiz SAS
   "^ovti,.*":
     description: OmniVision Technologies
   "^oxsemi,.*":

arch/arm/boot/dts/Makefile

@@ -45,7 +45,8 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \
 	at91sam9x25ek.dtb \
 	at91sam9x35ek.dtb
 dtb-$(CONFIG_SOC_SAM_V7) += \
-	at91-kizbox2.dtb \
+	at91-kizbox2-2.dtb \
+	at91-kizbox3-hs.dtb \
 	at91-nattis-2-natte-2.dtb \
 	at91-sama5d27_som1_ek.dtb \
 	at91-sama5d2_ptc_ek.dtb \

arch/arm/boot/dts/at91-kizbox2-2.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-kizbox2-2.dts - Device Tree file for the Kizbox2 with
+ * two head board
+ *
+ * Copyright (C) 2015 Overkiz SAS
+ *
+ * Authors: Antoine Aubert <a.aubert@overkiz.com>
+ *	    Kévin Raymond <k.raymond@overkiz.com>
+ */
+/dts-v1/;
+#include "at91-kizbox2-common.dtsi"
+
+/ {
+	model = "Overkiz Kizbox 2 with two heads";
+	compatible = "overkiz,kizbox2-2", "atmel,sama5d31",
+		     "atmel,sama5d3", "atmel,sama5";
+};
+
+&usart1 {
+	status = "okay";
+};
+
+&usart2 {
+	status = "okay";
+};

arch/arm/boot/dts/at91-kizbox2-common.dtsi

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-kizbox2_common.dtsi - Device Tree Include file for
+ * Overkiz Kizbox 2 family SoC
+ *
+ * Copyright (C) 2014-2018 Overkiz SAS
+ *
+ * Authors: Antoine Aubert <a.aubert@overkiz.com>
+ *          Gaël Portay <g.portay@overkiz.com>
+ *          Kévin Raymond <k.raymond@overkiz.com>
+ */
+#include "sama5d31.dtsi"
+
+/ {
+	chosen {
+		bootargs = "ubi.mtd=ubi";
+		stdout-path = &dbgu;
+	};
+
+	memory {
+		reg = <0x20000000 0x10000000>;
+	};
+
+	clocks {
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <12000000>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		prog {
+			label = "PB_PROG";
+			gpios = <&pioE 27 GPIO_ACTIVE_LOW>;
+			linux,code = <0x102>;
+			wakeup-source;
+		};
+
+		reset {
+			label = "PB_RST";
+			gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
+			linux,code = <0x100>;
+			wakeup-source;
+		};
+
+		user {
+			label = "PB_USER";
+			gpios = <&pioE 31 GPIO_ACTIVE_HIGH>;
+			linux,code = <0x101>;
+			wakeup-source;
+		};
+	};
+
+	pwm_leds {
+		compatible = "pwm-leds";
+
+		blue {
+			label = "pwm:blue:user";
+			pwms = <&pwm0 2 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "none";
+		};
+
+		green {
+			label = "pwm:green:user";
+			pwms = <&pwm0 1 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "default-on";
+		};
+
+		red {
+			label = "pwm:red:user";
+			pwms = <&pwm0 0 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "default-on";
+		};
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	pmic: act8865@5b {
+		compatible = "active-semi,act8865";
+		reg = <0x5b>;
+		status = "okay";
+
+		regulators {
+			vcc_1v8_reg: DCDC_REG1 {
+				regulator-name = "VCC_1V8";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			vcc_1v2_reg: DCDC_REG2 {
+				regulator-name = "VCC_1V2";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-always-on;
+			};
+
+			vcc_3v3_reg: DCDC_REG3 {
+				regulator-name = "VCC_3V3";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vddfuse_reg: LDO_REG1 {
+				regulator-name = "FUSE_2V5";
+				regulator-min-microvolt = <2500000>;
+				regulator-max-microvolt = <2500000>;
+			};
+
+			vddana_reg: LDO_REG2 {
+				regulator-name = "VDDANA";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			vled_reg: LDO_REG3 {
+				regulator-name = "VLED";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			v3v8_rf_reg: LDO_REG4 {
+				regulator-name = "V3V8_RF";
+				regulator-min-microvolt = <3800000>;
+				regulator-max-microvolt = <3800000>;
+				regulator-always-on;
+			};
+		};
+	};
+};
+
+&usart0 {
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+&usart1 {
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+&usart2 {
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+&pwm0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm0_pwmh0_1
+		     &pinctrl_pwm0_pwmh1_1
+		     &pinctrl_pwm0_pwmh2_0>;
+	status = "okay";
+};
+
+&adc0 {
+	atmel,adc-vref = <3333>;
+	status = "okay";
+};
+
+&macb1 {
+	phy-mode = "rmii";
+	status = "okay";
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&ebi {
+	pinctrl-0 = <&pinctrl_ebi_nand_addr>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&nand_controller {
+	status = "okay";
+
+	nand@3 {
+		reg = <0x3 0x0 0x2>;
+		atmel,rb = <0>;
+		nand-bus-width = <8>;
+		nand-ecc-mode = "hw";
+		nand-ecc-strength = <4>;
+		nand-ecc-step-size = <512>;
+		nand-on-flash-bbt;
+		label = "atmel_nand";
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			bootstrap@0 {
+				label = "bootstrap";
+				reg = <0x0 0x20000>;
+			};
+
+			ubi@20000 {
+				label = "ubi";
+				reg = <0x20000 0x7fe0000>;
+			};
+		};
+	};
+};
+
+&usb1 {
+	status = "okay";
+};
+
+&usb2 {
+	status = "okay";
+};
+
+/* WMBUS (inverted with IO in the latest schematic) */
+&pinctrl_usart0 {
+	atmel,pins =
+		<AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_NONE
+		 AT91_PIOD 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+		 AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
+};
+
+/* RTS */
+&pinctrl_usart1 {
+	atmel,pins =
+		<AT91_PIOB 28 AT91_PERIPH_A AT91_PINCTRL_NONE
+		 AT91_PIOB 29 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+		 AT91_PIOE 7 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
+};
+
+/* IO (inverted with WMBUS in the latest schematic) */
+&pinctrl_usart2 {
+	atmel,pins =
+		<AT91_PIOE 25 AT91_PERIPH_B AT91_PINCTRL_NONE
+		 AT91_PIOE 26 AT91_PERIPH_B AT91_PINCTRL_PULL_UP
+		 AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
+};

arch/arm/boot/dts/at91-kizbox2.dts

-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * at91-kizbox2.dts - Device Tree file for Overkiz Kizbox 2 board
- *
- * Copyright (C) 2014 Gaël PORTAY <g.portay@overkiz.com>
- */
-/dts-v1/;
-#include "sama5d31.dtsi"
-#include <dt-bindings/pwm/pwm.h>
-
-/ {
-	model = "Overkiz Kizbox 2";
-	compatible = "overkiz,kizbox2", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
-
-	chosen {
-		bootargs = "ubi.mtd=ubi";
-		stdout-path = &dbgu;
-	};
-
-	memory {
-		reg = <0x20000000 0x10000000>;
-	};
-
-	clocks {
-		slow_xtal {
-			clock-frequency = <32768>;
-		};
-
-		main_xtal {
-			clock-frequency = <12000000>;
-		};
-	};
-
-	ahb {
-		apb {
-			i2c1: i2c@f0018000 {
-				status = "okay";
-
-				pmic: act8865@5b {
-					compatible = "active-semi,act8865";
-					reg = <0x5b>;
-					status = "okay";
-
-					regulators {
-						vcc_1v8_reg: DCDC_REG1 {
-							regulator-name = "VCC_1V8";
-							regulator-min-microvolt = <1800000>;
-							regulator-max-microvolt = <1800000>;
-							regulator-always-on;
-						};
-
-						vcc_1v2_reg: DCDC_REG2 {
-							regulator-name = "VCC_1V2";
-							regulator-min-microvolt = <1200000>;
-							regulator-max-microvolt = <1200000>;
-							regulator-always-on;
-						};
-
-						vcc_3v3_reg: DCDC_REG3 {
-							regulator-name = "VCC_3V3";
-							regulator-min-microvolt = <3300000>;
-							regulator-max-microvolt = <3300000>;
-							regulator-always-on;
-						};
-
-						vddfuse_reg: LDO_REG1 {
-							regulator-name = "FUSE_2V5";
-							regulator-min-microvolt = <2500000>;
-							regulator-max-microvolt = <2500000>;
-						};
-
-						vddana_reg: LDO_REG2 {
-							regulator-name = "VDDANA";
-							regulator-min-microvolt = <3300000>;
-							regulator-max-microvolt = <3300000>;
-							regulator-always-on;
-						};
-
-						vled_reg: LDO_REG3 {
-							regulator-name = "VLED";
-							regulator-min-microvolt = <3300000>;
-							regulator-max-microvolt = <3300000>;
-							regulator-always-on;
-						};
-
-						v3v8_rf_reg: LDO_REG4 {
-							regulator-name = "V3V8_RF";
-							regulator-min-microvolt = <3800000>;
-							regulator-max-microvolt = <3800000>;
-							regulator-always-on;
-						};
-					};
-				};
-			};
-
-			tcb0: timer@f0010000 {
-				timer@0 {
-					compatible = "atmel,tcb-timer";
-					reg = <0>;
-				};
-
-				timer@1 {
-					compatible = "atmel,tcb-timer";
-					reg = <1>;
-				};
-			};
-
-			usart0: serial@f001c000 {
-				status = "okay";
-			};
-
-			usart1: serial@f0020000 {
-				status = "okay";
-			};
-
-			pwm0: pwm@f002c000 {
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_pwm0_pwmh0_1
-					     &pinctrl_pwm0_pwmh1_1
-					     &pinctrl_pwm0_pwmh2_0>;
-				status = "okay";
-			};
-
-			adc0: adc@f8018000 {
-				atmel,adc-vref = <3333>;
-				status = "okay";
-			};
-
-			usart2: serial@f8020000 {
-				status = "okay";
-			};
-
-			macb1: ethernet@f802c000 {
-				phy-mode = "rmii";
-				status = "okay";
-			};
-
-			dbgu: serial@ffffee00 {
-				status = "okay";
-			};
-
-			watchdog@fffffe40 {
-				status = "okay";
-			};
-		};
-
-		usb1: ohci@600000 {
-			status = "okay";
-		};
-
-		usb2: ehci@700000 {
-			status = "okay";
-		};
-
-		ebi: ebi@10000000 {
-			pinctrl-0 = <&pinctrl_ebi_nand_addr>;
-			pinctrl-names = "default";
-			status = "okay";
-
-			nand_controller: nand-controller {
-				status = "okay";
-
-				nand@3 {
-					reg = <0x3 0x0 0x2>;
-					atmel,rb = <0>;
-					nand-bus-width = <8>;
-					nand-ecc-mode = "hw";
-					nand-ecc-strength = <4>;
-					nand-ecc-step-size = <512>;
-					nand-on-flash-bbt;
-					label = "atmel_nand";
-
-					partitions {
-						compatible = "fixed-partitions";
-						#address-cells = <1>;
-						#size-cells = <1>;
-
-						bootstrap@0 {
-							label = "bootstrap";
-							reg = <0x0 0x20000>;
-						};
-
-						ubi@20000 {
-							label = "ubi";
-							reg = <0x20000 0x7fe0000>;
-						};
-					};
-				};
-			};
-		};
-	};
-
-	gpio_keys {
-		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		prog {
-			label = "PB_PROG";
-			gpios = <&pioE 27 GPIO_ACTIVE_LOW>;
-			linux,code = <0x102>;
-			wakeup-source;
-		};
-
-		reset {
-			label = "PB_RST";
-			gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
-			linux,code = <0x100>;
-			wakeup-source;
-		};
-
-		user {
-			label = "PB_USER";
-			gpios = <&pioE 31 GPIO_ACTIVE_HIGH>;
-			linux,code = <0x101>;
-			wakeup-source;
-		};
-	};
-
-	pwm_leds {
-		compatible = "pwm-leds";
-
-		blue {
-			label = "pwm:blue:user";
-			pwms = <&pwm0 2 10000000 0>;
-			max-brightness = <255>;
-			linux,default-trigger = "default-on";
-		};
-
-		green {
-			label = "pwm:green:user";
-			pwms = <&pwm0 1 10000000 0>;
-			max-brightness = <255>;
-			linux,default-trigger = "default-on";
-		};
-
-		red {
-			label = "pwm:red:user";
-			pwms = <&pwm0 0 10000000 0>;
-			max-brightness = <255>;
-			linux,default-trigger = "default-on";
-		};
-	};
-};

arch/arm/boot/dts/at91-kizbox3-hs.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-kizbox3-hs.dts - Device Tree file for Overkiz KIZBOX3-HS board
+ *
+ * Copyright (C) 2018 Overkiz SAS
+ *
+ * Authors: Dorian Rocipon <d.rocipon@overkiz.com>
+ *          Kevin Carli <k.carli@overkiz.com>
+ *          Mickael Gardet <m.gardet@overkiz.com>
+ */
+/dts-v1/;
+#include "at91-kizbox3_common.dtsi"
+
+/ {
+	model = "Overkiz KIZBOX3-HS";
+	compatible = "overkiz,kizbox3-hs", "atmel,sama5d2", "atmel,sama5";
+
+	pwm_leds {
+		status = "okay";
+
+		red {
+			status = "okay";
+		};
+
+		green {
+			status = "okay";
+		};
+
+		blue {
+			status = "okay";
+		};
+
+		white {
+			status = "okay";
+		};
+	};
+
+	leds  {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_led_red
+			     &pinctrl_led_white>;
+		status = "okay";
+
+		red {
+			label = "pio:red:user";
+			gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		white {
+			label = "pio:white:user";
+			gpios = <&pioA PIN_PB8 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default" , "default", "default",
+				"default", "default" ;
+		pinctrl-0 = <&pinctrl_key_gpio_default>;
+		pinctrl-1 = <&pinctrl_pio_rf &pinctrl_pio_wifi>;
+		pinctrl-2 = <&pinctrl_pio_io_boot
+			     &pinctrl_pio_io_reset
+			     &pinctrl_pio_io_test_radio>;
+		pinctrl-3 = <&pinctrl_pio_zbe_test_radio
+			     &pinctrl_pio_zbe_rst>;
+		pinctrl-4 = <&pinctrl_pio_input>;
+
+		SW1 {
+			label = "SW1";
+			gpios = <&pioA PIN_PA29 GPIO_ACTIVE_LOW>;
+			linux,code = <0x101>;
+			wakeup-source;
+		};
+
+		SW2 {
+			label = "SW2";
+			gpios = <&pioA PIN_PA18 GPIO_ACTIVE_LOW>;
+			linux,code = <0x102>;
+			wakeup-source;
+		};
+
+		SW3 {
+			label = "SW3";
+			gpios = <&pioA PIN_PA22 GPIO_ACTIVE_LOW>;
+			linux,code = <0x103>;
+			wakeup-source;
+		};
+
+		SW7 {
+			label = "SW7";
+			gpios = <&pioA PIN_PA26 GPIO_ACTIVE_LOW>;
+			linux,code = <0x107>;
+			wakeup-source;
+		};
+
+		SW8 {
+			label = "SW8";
+			gpios = <&pioA PIN_PA24 GPIO_ACTIVE_LOW>;
+			linux,code = <0x108>;
+			wakeup-source;
+		};
+	};
+
+	gpios {
+		compatible = "gpio";
+		status = "okay";
+
+		rf_on {
+			label = "rf on";
+			gpio = <&pioA PIN_PC19 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		wifi_on {
+			label = "wifi on";
+			gpio = <&pioA PIN_PC20 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		zbe_test_radio {
+			label = "zbe test radio";
+			gpio = <&pioA PIN_PB21 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		zbe_rst {
+			label = "zbe rst";
+			gpio = <&pioA PIN_PB25 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		io_reset {
+			label = "io reset";
+			gpio = <&pioA PIN_PB30 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		io_test_radio {
+			label = "io test radio";
+			gpio = <&pioA PIN_PC9 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		io_boot_0 {
+			label = "io boot 0";
+			gpio = <&pioA PIN_PC11 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		io_boot_1 {
+			label = "io boot 1";
+			gpio = <&pioA PIN_PC17 GPIO_ACTIVE_HIGH>;
+			output;
+			init-low;
+		};
+
+		verbose_bootloader {
+			label = "verbose bootloader";
+			gpio = <&pioA PIN_PB11 GPIO_ACTIVE_HIGH>;
+			input;
+		};
+
+		 nail_bed_detection  {
+			label = "nail bed detection";
+			gpio = <&pioA PIN_PB12 GPIO_ACTIVE_HIGH>;
+			input;
+		};
+
+		 id_usba {
+			label = "id usba";
+			gpio = <&pioA PIN_PC0 GPIO_ACTIVE_LOW>;
+			input;
+		};
+	};
+};
+
+&pioA {
+	pinctrl_key_gpio_default: key_gpio_default {
+		pinmux=  <PIN_PA22__GPIO>,
+		<PIN_PA24__GPIO>,
+		<PIN_PA26__GPIO>,
+		<PIN_PA29__GPIO>,
+		<PIN_PA18__GPIO>;
+		bias-disable;
+		};
+
+	pinctrl_gpio {
+		pinctrl_pio_rf: gpio_rf {
+			pinmux = <PIN_PC19__GPIO>;
+			bias-disable;
+		};
+		pinctrl_pio_wifi: gpio_wifi {
+			pinmux = <PIN_PC20__GPIO>;
+			bias-disable;
+		};
+		pinctrl_pio_io_boot: gpio_io_boot {
+			pinmux =
+			<PIN_PC11__GPIO>,
+			<PIN_PC17__GPIO>;
+			bias-disable;
+		};
+		pinctrl_pio_io_test_radio: gpio_io_test_radio {
+			pinmux = <PIN_PC9__GPIO>;
+			bias-disable;
+		};
+		pinctrl_pio_zbe_test_radio: gpio_zbe_test_radio {
+			pinmux = <PIN_PB21__GPIO>;
+			bias-disable;
+		};
+		pinctrl_pio_zbe_rst: gpio_zbe_rst {
+			pinmux = <PIN_PB25__GPIO>;
+			bias-disable;
+		};
+		/* stm32 reset must be open drain (internal pull up) */
+		pinctrl_pio_io_reset: gpio_io_reset {
+			pinmux = <PIN_PB30__GPIO>;
+			bias-disable;
+			drive-open-drain = <1>;
+			output-low;
+		};
+		pinctrl_pio_input: gpio_input {
+			pinmux =
+			<PIN_PB11__GPIO>,
+			<PIN_PB12__GPIO>,
+			<PIN_PC0__GPIO>;
+			bias-disable;
+		};
+	};
+
+	pinctrl_leds {
+		pinctrl_led_red: led_red {
+			pinmux = <PIN_PB1__GPIO>;
+			bias-disable;
+		};
+		pinctrl_led_white: led_white {
+			pinmux = <PIN_PB8__GPIO>;
+			bias-disable;
+		};
+	};
+};
+
+&adc {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart3 {
+	status = "okay";
+};
+
+&uart4 {
+	status = "okay";
+};
+
+&flx0 {
+	status = "okay";
+
+	uart5: serial@200  {
+			status = "okay";
+	};
+};
+
+&flx3 {
+	status = "okay";
+	uart6: serial@200 {
+		status = "okay";
+	};
+};
+
+&flx4 {
+	status = "okay";
+
+	i2c2: i2c@600 {
+		status = "okay";
+	};
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
+
+&usb2 {
+	status = "okay";
+};

arch/arm/boot/dts/at91-kizbox3_common.dtsi

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-kizbox3.dts - Device Tree Include file for Overkiz Kizbox 3
+ * family SoC boards
+ *
+ * Copyright (C) 2018 Overkiz SAS
+ *
+ * Authors: Dorian Rocipon <d.rocipon@overkiz.com>
+ *          Kevin Carli <k.carli@overkiz.com>
+ *          Mickael Gardet <m.gardet@overkiz.com>
+ */
+/dts-v1/;
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/mfd/atmel-flexcom.h>
+#include <dt-bindings/pinctrl/at91.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "Overkiz Kizbox3";
+	compatible = "overkiz,kizbox3", "atmel,sama5d2", "atmel,sama5";
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+		serial2 = &uart2;
+		serial3 = &uart3;
+		serial4 = &uart4;
+		serial5 = &uart5;
+		serial6 = &uart6;
+	};
+
+	chosen {
+		bootargs = "ubi.mtd=ubi";
+		stdout-path = "serial1:115200n8";
+	};
+
+	clocks {
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <12000000>;
+		};
+	};
+
+	vdd_adc_vddana: supply_3v3_ana {
+		compatible = "regulator-fixed";
+		regulator-name = "adc-vddana";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	vdd_adc_vref: supply_3v3_ref {
+		compatible = "regulator-fixed";
+		regulator-name = "adc-vref";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	pwm_leds {
+		compatible = "pwm-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pwm0_pwm_h0
+			     &pinctrl_pwm0_pwm_h1
+			     &pinctrl_pwm0_pwm_h2
+			     &pinctrl_pwm0_pwm_h3>;
+		status = "disabled";
+
+		red {
+			label = "pwm:red:user";
+			pwms = <&pwm0 0 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "default-on";
+			status = "disabled";
+		};
+
+		green {
+			label = "pwm:green:user";
+			pwms = <&pwm0 1 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "default-on";
+			status = "disabled";
+		};
+
+		blue {
+			label = "pwm:blue:user";
+			pwms = <&pwm0 2 10000000 0>;
+			max-brightness = <255>;
+			status = "disabled";
+		};
+
+		white {
+			label = "pwm:white:user";
+			pwms = <&pwm0 3 10000000 0>;
+			max-brightness = <255>;
+			status = "disabled";
+		};
+	};
+};
+
+&ebi {
+	status = "okay";
+};
+
+&nand_controller {
+	status = "okay";
+
+	nand@3 {
+		pinctrl-0 = <&pinctrl_ebi_nand_addr>;
+		pinctrl-names = "default";
+		reg = <0x3 0x0 0x800000>;
+
+		atmel,rb = <0>;
+		nand-bus-width = <8>;
+		nand-ecc-mode = "hw";
+		nand-ecc-strength = <4>;
+		nand-ecc-step-size = <512>;
+		nand-on-flash-bbt;
+		label = "atmel_nand";
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			bootstrap@0 {
+				label = "bootstrap";
+				reg = <0x0 0x20000>;
+			};
+
+			u-boot@20000 {
+				label = "u-boot";
+				reg = <0x20000 0x140000>;
+			};
+
+			u-boot-factory@160000 {
+				label = "u-boot-factory";
+				reg = <0x160000 0x140000>;
+			};
+
+			ubi@2A0000 {
+				label = "ubi";
+				reg = <0x2A0000 0x7D60000>;
+			};
+		};
+
+	};
+};
+
+&rtc {
+	status = "okay";
+};
+
+&pioA {
+	pinctrl_ebi_nand_addr: ebi-addr-1 {
+		pinmux = <PIN_PA0__D0>,
+			<PIN_PA1__D1>,
+			<PIN_PA2__D2>,
+			<PIN_PA3__D3>,
+			<PIN_PA4__D4>,
+			<PIN_PA5__D5>,
+			<PIN_PA6__D6>,
+			<PIN_PA7__D7>,
+			<PIN_PA8__NWE_NANDWE>,
+			<PIN_PA9__NCS3>,
+			<PIN_PA10__A21_NANDALE>,
+			<PIN_PA11__A22_NANDCLE>,
+			<PIN_PA21__NANDRDY>;
+		bias-disable;
+	};
+
+	pinctrl_usart {
+		pinctrl_usart_0: usart0-0 {
+			pinmux = < PIN_PB26__URXD0>, <PIN_PB27__UTXD0>;
+			bias-disable;
+		};
+		pinctrl_usart_1: usart1-0 {
+			pinmux = < PIN_PD2__URXD1>, <PIN_PD3__UTXD1>;
+			bias-disable;
+		};
+		pinctrl_usart_2: usart2-0 {
+			pinmux = < PIN_PD4__URXD2>, <PIN_PD5__UTXD2>;
+			bias-disable;
+		};
+		pinctrl_usart_3: usart3-0 {
+			pinmux = < PIN_PC12__URXD3>, <PIN_PC13__UTXD3>;
+			bias-disable;
+		};
+		pinctrl_usart_4: usart4-0 {
+			pinmux = < PIN_PB3__URXD4>, <PIN_PB4__UTXD4>;
+			bias-disable;
+		};
+		pinctrl_flx0_default: flx0_usart_default {
+			pinmux = <PIN_PB28__FLEXCOM0_IO0>, //TX
+			<PIN_PB29__FLEXCOM0_IO1>; //RX
+			bias-disable;
+		};
+		pinctrl_flx3_default: flx3_usart_default {
+			pinmux = <PIN_PB22__FLEXCOM3_IO1>, //RX
+			<PIN_PB23__FLEXCOM3_IO0>; //TX
+			bias-disable;
+		};
+	};
+
+	pinctrl_flx4_default: flx4_i2c2_default {
+		pinmux = <PIN_PD12__FLEXCOM4_IO0>, //DATA
+		<PIN_PD13__FLEXCOM4_IO1>; //CLK
+		bias-disable;
+		drive-open-drain = <1>;
+	};
+
+	pinctrl_pwm0 {
+		pinctrl_pwm0_pwm_h0: pwm0_pwm_h0 {
+			pinmux = <PIN_PA30__PWMH0>;
+			bias-disable;
+		};
+		pinctrl_pwm0_pwm_h1: pwm0_pwmh1 {
+			pinmux = <PIN_PB0__PWMH1>;
+			bias-disable;
+		};
+		pinctrl_pwm0_pwm_h2: pwm0_pwm_h2 {
+			pinmux = <PIN_PB5__PWMH2>;
+			bias-disable;
+		};
+		pinctrl_pwm0_pwm_h3: pwm0_pwm_h3 {
+			pinmux = <PIN_PB7__PWMH3>;
+			bias-disable;
+		};
+	};
+
+	pinctrl_adc {
+		pinctrl_adc2: adc2 {
+			pinmux = <PIN_PD21__GPIO>;
+			bias-disable;
+		};
+		pinctrl_adc3: adc3 {
+			pinmux = <PIN_PD22__GPIO>;
+			bias-disable;
+		};
+		pinctrl_adc4: adc4 {
+			pinmux = <PIN_PD23__GPIO>;
+			bias-disable;
+		};
+		pinctrl_adc5: adc5 {
+			pinmux = <PIN_PD24__GPIO>;
+			bias-disable;
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usart_0>;
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+/* debug uart */
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usart_1>;
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usart_2>;
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usart_3>;
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usart_4>;
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "disabled";
+};
+
+&flx0 {
+	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+	status = "disabled";
+
+	uart5: serial@200  {
+		compatible = "atmel,at91sam9260-usart";
+		reg = <0x200 0x400>;
+		interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
+		dmas = <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+			| AT91_XDMAC_DT_PERID(11))>,
+		       <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+			| AT91_XDMAC_DT_PERID(12))>;
+		dma-names = "tx", "rx";
+		clocks = <&pmc PMC_TYPE_PERIPHERAL 19>;
+		clock-names = "usart";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_flx0_default>;
+		atmel,fifo-size = <32>;
+		atmel,use-dma-rx;
+		atmel,use-dma-tx;
+		status = "disabled";
+	};
+};
+
+&flx3 {
+	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+	status = "disabled";
+
+	uart6: serial@200 {
+		compatible = "atmel,at91sam9260-usart";
+		reg = <0x200 0x400>;
+		interrupts = <22 IRQ_TYPE_LEVEL_HIGH 7>;
+		dmas = <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+			| AT91_XDMAC_DT_PERID(17))>,
+		       <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+			| AT91_XDMAC_DT_PERID(18))>;
+		dma-names = "tx", "rx";
+		clocks = <&pmc PMC_TYPE_PERIPHERAL 22>;
+		clock-names = "usart";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_flx3_default>;
+		atmel,fifo-size = <32>;
+		atmel,use-dma-rx;
+		atmel,use-dma-tx;
+		status = "disabled";
+	};
+};
+
+&flx4 {
+	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+	status = "disabled";
+
+	i2c2: i2c@600 {
+		compatible = "atmel,sama5d2-i2c";
+		reg = <0x600 0x200>;
+		interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
+		dmas = <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+			| AT91_XDMAC_DT_PERID(19))>,
+		       <&dma0
+			(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+			| AT91_XDMAC_DT_PERID(20))>;
+		dma-names = "tx", "rx";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_flx4_default>;
+		atmel,fifo-size = <16>;
+		status = "disabled";
+	};
+};
+
+&pwm0 {
+	status = "okay";
+};
+
+&shutdown_controller {
+	atmel,shdwc-debouncer = <976>;
+	atmel,wakeup-rtc-timer;
+
+	input@0 {
+		reg = <0>;
+		atmel,wakeup-type = "low";
+	};
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&adc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc2
+		     &pinctrl_adc3
+		     &pinctrl_adc4
+		     &pinctrl_adc5>;
+
+	vddana-supply = <&vdd_adc_vddana>;
+	vref-supply = <&vdd_adc_vref>;
+	status = "disabled";
+};
+
+&securam {
+	export;
+
+	/* export overkiz u-boot mode/version and factory */
+	uboot@1400 {
+		reg = <0x1400 0x20>;
+		export;
+	};
+};

arch/arm/boot/dts/at91-sama5d27_som1_ek.dts

@@ -53,6 +53,7 @@ usb2: ehci@500000 {
 
 		sdmmc0: sdio-host@a0000000 {
 			bus-width = <8>;
+			mmc-ddr-3_3v;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_sdmmc0_default>;
 			status = "okay";

arch/arm/boot/dts/at91-sama5d2_xplained.dts

@@ -334,6 +334,9 @@ i2c2: i2c@600 {
 					pinctrl-names = "default";
 					pinctrl-0 = <&pinctrl_flx4_default>;
 					atmel,fifo-size = <16>;
+					i2c-analog-filter;
+					i2c-digital-filter;
+					i2c-digital-filter-width-ns = <35>;
 					status = "okay";
 				};
 			};
@@ -342,6 +345,9 @@ i2c1: i2c@fc028000 {
 				dmas = <0>, <0>;
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_i2c1_default>;
+				i2c-analog-filter;
+				i2c-digital-filter;
+				i2c-digital-filter-width-ns = <35>;
 				status = "okay";
 
 				at24@54 {

arch/arm/boot/dts/at91-sama5d4_xplained.dts

@@ -49,6 +49,7 @@ m25p80@0 {
 			};
 
 			i2c0: i2c@f8014000 {
+				i2c-digital-filter;
 				status = "okay";
 			};
 

arch/arm/boot/dts/sama5d2.dtsi

@@ -689,7 +689,7 @@ clk32k: sckc@f8048050 {
 				#clock-cells = <0>;
 			};
 
-			rtc@f80480b0 {
+			rtc: rtc@f80480b0 {
 				compatible = "atmel,at91rm9200-rtc";
 				reg = <0xf80480b0 0x30>;
 				interrupts = <74 IRQ_TYPE_LEVEL_HIGH 7>;