ARM: dts: at91: add smartkiz support and a common kizboxmini dtsi file

Split the existing Kizbox Mini boards into three board configuration,
the base board, the mother board and the RailDIN board.
Add a new dts file for the SmartKiz board support.

Signed-off-by: Kévin RAYMOND <[e-mail]>
Signed-off-by: Mickael GARDET <[e-mail]>
Signed-off-by: Kamel Bouhara <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Alexandre Belloni <[e-mail]>

arch/arm/boot/dts/Makefile

···
 	at91-ariag25.dtb \
 	at91-ariettag25.dtb \
 	at91-cosino_mega2560.dtb \
-	at91-kizboxmini.dtb \
+	at91-kizboxmini-base.dtb \
+	at91-kizboxmini-mb.dtb \
+	at91-kizboxmini-rd.dtb \
+	at91-smartkiz.dtb \
 	at91-wb45n.dtb \
 	at91sam9g15ek.dtb \
 	at91sam9g25ek.dtb \

arch/arm/boot/dts/at91-kizboxmini-base.dts

···
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * at91-kizboxmini-base.dts - Device Tree file for Overkiz Kizbox mini
+ * base board
+ *
+ * Copyright (C) 2015 Overkiz SAS
+ *   Author: Antoine Aubert <[e-mail]>
+ *           Kévin Raymond <[e-mail]>
+ */
+/dts-v1/;
+#include "at91-kizboxmini-common.dtsi"
+
+/ {
+	model = "Overkiz Kizbox Mini";
+	compatible = "overkiz,kizboxmini-base", "atmel,at91sam9g25",
+		     "atmel,at91sam9x5", "atmel,at91sam9";
+};
+
+&pinctrl_usart0 {
+	atmel,pins =
+		<AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
+		 AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE
+		 AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
+};

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

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-kizboxmini.dts - Device Tree file for Overkiz Kizbox mini board
+ *
+ * Copyright (C) 2014-2018 Overkiz SAS
+ *   Author: Antoine Aubert <[e-mail]>
+ *           Gaël Portay <[e-mail]>
+ *           Kévin Raymond <[e-mail]>
+ *           Dorian Rocipon <[e-mail]>
+ */
+#include "at91sam9g25.dtsi"
+
+/ {
+	chosen {
+		bootargs = "ubi.mtd=ubi";
+		stdout-path = &dbgu;
+	};
+
+	memory {
+		reg = <0x20000000 0x8000000>;
+	};
+
+	clocks {
+		main_xtal {
+			clock-frequency = <12000000>;
+		};
+
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		adc_op_clk {
+			status = "disabled";
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		prog {
+			label = "PB_PROG";
+			gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
+			linux,code = <0x102>;
+			wakeup-source;
+		};
+
+		reset {
+			label = "PB_RST";
+			gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
+			linux,code = <0x100>;
+			wakeup-source;
+		};
+	};
+
+	leds: pwm_leds {
+		compatible = "pwm-leds";
+
+		led_blue: pwm_blue {
+			label = "pwm:blue:user";
+			pwms = <&pwm0 2 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "none";
+			status = "disabled";
+		};
+
+		led_green: pwm_green {
+			label = "pwm:green:user";
+			pwms = <&pwm0 0 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "default-on";
+		};
+
+		led_red: pwm_red {
+			label = "pwm:red:user";
+			pwms = <&pwm0 1 10000000 0>;
+			max-brightness = <255>;
+			linux,default-trigger = "default-on";
+		};
+	};
+};
+
+&usart0 {
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "okay";
+};
+
+&macb0 {
+	phy-mode = "rmii";
+	status = "okay";
+};
+
+&pwm0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm0_pwm0_1
+		     &pinctrl_pwm0_pwm1_1
+		     &pinctrl_pwm0_pwm2_1>;
+	status = "okay";
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&adc0 {
+	status = "disabled";
+};
+
+&rtc {
+	status = "disabled";
+};
+
+&ebi {
+	pinctrl-0 = <&pinctrl_ebi_addr_nand
+			&pinctrl_ebi_data_0_7>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&nand_controller {
+	status = "okay";
+	pinctrl-0 = <&pinctrl_nand_oe_we
+		     &pinctrl_nand_cs
+		     &pinctrl_nand_rb>;
+	pinctrl-names = "default";
+
+	nand@3 {
+		reg = <0x3 0x0 0x800000>;
+		rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
+		cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
+		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>;
+			};
+		};
+	};
+};
+
+&usb0 {
+	num-ports = <1>;
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
+

arch/arm/boot/dts/at91-kizboxmini-mb.dts

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2015-2018 Overkiz SAS
+ *   Author: Mickael Gardet <[e-mail]>
+ *           Kévin Raymond <[e-mail]>
+ */
+/dts-v1/;
+#include "at91-kizboxmini-common.dtsi"
+
+/ {
+	model = "Overkiz Kizbox Mini Mother Board";
+	compatible = "overkiz,kizboxmini-mb", "atmel,at91sam9g25",
+		     "atmel,at91sam9x5", "atmel,at91sam9";
+};
+
+&usb0 {
+	num-ports = <2>;
+};
+
+&rtc {
+	status = "okay";
+};
+
+&led_blue {
+	status = "okay";
+};

arch/arm/boot/dts/at91-kizboxmini-rd.dts

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2015-2018 Overkiz SAS
+ *   Author: Mickael Gardet <[e-mail]>
+ *           Kévin Raymond <[e-mail]>
+ */
+/dts-v1/;
+#include "at91-kizboxmini-common.dtsi"
+
+/ {
+	model = "Overkiz Kizbox Mini RailDIN";
+	compatible = "overkiz,kizboxmini-rd", "atmel,at91sam9g25",
+		     "atmel,at91sam9x5", "atmel,at91sam9";
+
+	clocks {
+		adc_op_clk {
+			status = "okay";
+		};
+	};
+};
+
+&pinctrl {
+	adc0 {
+		pinctrl_adc0_ad5: adc0_ad5-0 {
+			/* pull-up disable */
+			atmel,pins = <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+	};
+};
+
+&usart0 {
+	status = "disabled";
+};
+
+&rtc {
+	status = "okay";
+};
+
+&led_blue {
+	status = "okay";
+};
+
+&adc0 {
+	atmel,adc-vref = <2500>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc0_ad5>;
+	atmel,adc-channels-used = <0x0020>;
+	status = "okay";
+};

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

···
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * at91-kizboxmini.dts - Device Tree file for Overkiz Kizbox mini board
- *
- * Copyright (C) 2014 Gaël PORTAY <[e-mail]>
- */
-/dts-v1/;
-#include "at91sam9g25.dtsi"
-#include <dt-bindings/pwm/pwm.h>
-
-/ {
-	model = "Overkiz Kizbox mini";
-	compatible = "overkiz,kizboxmini", "atmel,at91sam9g25", "atmel,at91sam9x5", "atmel,at91sam9";
-
-	chosen {
-		bootargs = "ubi.mtd=ubi";
-		stdout-path = &dbgu;
-	};
-
-	memory {
-		reg = <0x20000000 0x8000000>;
-	};
-
-	clocks {
-		slow_xtal {
-			clock-frequency = <32768>;
-		};
-
-		main_xtal {
-			clock-frequency = <12000000>;
-		};
-	};
-
-	ahb {
-		nand0: nand@40000000 {
-			nand-bus-width = <8>;
-			nand-ecc-mode = "hw";
-			atmel,has-pmecc;
-			atmel,pmecc-cap = <4>;
-			atmel,pmecc-sector-size = <512>;
-			nand-on-flash-bbt;
-			status = "okay";
-		};
-	};
-
-	gpio_keys {
-		compatible = "gpio-keys";
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		prog {
-			label = "PB_PROG";
-			gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
-			linux,code = <0x102>;
-			wakeup-source;
-		};
-
-		reset {
-			label = "PB_RST";
-			gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
-			linux,code = <0x100>;
-			wakeup-source;
-		};
-	};
-
-	pwm_leds {
-		compatible = "pwm-leds";
-
-		green {
-			label = "pwm:green:user";
-			pwms = <&pwm0 0 10000000 0>;
-			max-brightness = <255>;
-			linux,default-trigger = "default-on";
-		};
-
-		red {
-			label = "pwm:red:user";
-			pwms = <&pwm0 1 10000000 0>;
-			max-brightness = <255>;
-			linux,default-trigger = "default-on";
-		};
-	};
-};
-
-&dbgu {
-	status = "okay";
-};
-
-&ebi {
-	pinctrl-0 = <&pinctrl_ebi_addr_nand
-		     &pinctrl_ebi_data_0_7>;
-	pinctrl-names = "default";
-	status = "okay";
-
-	nand-controller {
-		pinctrl-0 = <&pinctrl_nand_oe_we
-			     &pinctrl_nand_cs
-			     &pinctrl_nand_rb>;
-		pinctrl-names = "default";
-		status = "okay";
-
-		nand@3 {
-			reg = <0x3 0x0 0x800000>;
-			rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
-			cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
-			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>;
-				};
-			};
-		};
-	};
-};
-
-&macb0 {
-	phy-mode = "rmii";
-	status = "okay";
-};
-
-&pwm0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_pwm0_pwm0_1
-		     &pinctrl_pwm0_pwm1_1>;
-	status = "okay";
-};
-
-&tcb0 {
-	timer@0 {
-		compatible = "atmel,tcb-timer";
-		reg = <0>;
-	};
-
-	timer@1 {
-		compatible = "atmel,tcb-timer";
-		reg = <1>;
-	};
-};
-
-&usart0 {
-	status = "okay";
-};
-
-&usb0 {
-	num-ports = <1>;
-	status = "okay";
-};
-
-&usb1 {
-	status = "okay";
-};
-
-&watchdog {
-	status = "okay";
-};

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

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017-2018 Overkiz SAS
+ *   Author: Mickael Gardet <[e-mail]>
+ *           Kévin Raymond <[e-mail]>
+ *           Dorian Rocipon <[e-mail]>
+ */
+/dts-v1/;
+#include "at91-kizboxmini-common.dtsi"
+
+/ {
+	model = "Overkiz SmartKiz";
+	compatible = "overkiz,smartkiz", "atmel,at91sam9g25",
+		     "atmel,at91sam9x5", "atmel,at91sam9";
+
+	clocks {
+		adc_op_clk {
+			status = "okay";
+		};
+	};
+
+	aliases {
+		serial5 = &uart0;
+	};
+
+	pio_keys {
+		hk_reset {
+			label = "HK_RESET";
+			gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
+		};
+
+		power_rf {
+			label = "POWER_RF";
+			gpios = <&pioA 20 GPIO_ACTIVE_HIGH>;
+		};
+
+		power_wifi {
+			label = "POWER_WIFI";
+			gpios = <&pioA 21 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&pinctrl {
+	i2c1 {
+		pinctrl_i2c1: i2c1-0 {
+			atmel,pins =
+				<AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_PULL_UP
+				AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>;
+		};
+	};
+
+	adc0 {
+		pinctrl_adc0_ad0: adc0_ad0-0 {
+			/* pull-up disable */
+			atmel,pins = <AT91_PIOB 11 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+		pinctrl_adc0_ad5: adc0_ad5-0 {
+			/* pull-up disable */
+			atmel,pins = <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+		pinctrl_adc0_ad6: adc0_ad6-0 {
+			/* pull-up disable */
+			atmel,pins = <AT91_PIOB 17 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+		pinctrl_adc0_ad11: adc0_ad11-0 {
+			/* pull-up disable */
+			atmel,pins = <AT91_PIOB 10 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+	};
+};
+
+&i2c1 {
+	dmas = <0>, <0>;
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "disabled";
+};
+
+&macb0 {
+	status = "disabled";
+};
+
+&rtc {
+	status = "okay";
+};
+
+&leds {
+	blue {
+		status = "okay";
+	};
+};
+
+&adc0 {
+	atmel,adc-vref = <2500>;
+	pinctrl-names = "default";
+	pinctrl-0 = <
+		&pinctrl_adc0_ad0
+		&pinctrl_adc0_ad5
+		&pinctrl_adc0_ad6
+		&pinctrl_adc0_ad11
+	>;
+	atmel,adc-channels-used = <0x0861>;
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+