board: Add support for Conclusive KSTR-SAMA5D27
Introduce support for Conclusive KSTR-SAMA5D27 Single Board Computer.
Co-developed-by: Jakub Klama <jakub@conclusive.pl>
Signed-off-by: Jakub Klama <jakub@conclusive.pl>
Co-developed-by: Marcin Jabrzyk <marcin@conclusive.pl>
Signed-off-by: Marcin Jabrzyk <marcin@conclusive.pl>
Signed-off-by: Artur Rojek <artur@conclusive.pl>
diff --git a/arch/arm/dts/at91-kstr-sama5d27.dts b/arch/arm/dts/at91-kstr-sama5d27.dts
new file mode 100644
index 0000000..c226a21
--- /dev/null
+++ b/arch/arm/dts/at91-kstr-sama5d27.dts
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * at91-kstr-sama5d27.dts - Device Tree file for Conclusive KSTR-SAMA5D27 board
+ *
+ * Copyright (C) 2019-2023 Conclusive Engineering Sp. z o. o.
+ *
+ */
+/dts-v1/;
+
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/mfd/atmel-flexcom.h>
+
+/ {
+ model = "Conclusive KSTR-SAMA5D27";
+ compatible = "conclusive,kstr-sama5d27", "atmel,sama5d2", "atmel,sama5";
+
+ chosen {
+ stdout-path = &uart1;
+ };
+
+ aliases {
+ i2c2 = &i2c6;
+ };
+};
+
+&main_xtal {
+ clock-frequency = <12000000>;
+};
+
+&sdmmc0 {
+ bus-width = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc0_cmd_dat_default &pinctrl_sdmmc0_ck_cd_default>;
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1_default>;
+ status = "okay";
+};
+
+&macb0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
+ phy-mode = "rmii";
+ status = "okay";
+
+ ethernet-phy@0 {
+ reg = <0x0>;
+ reset-gpios = <&pioA 44 GPIO_ACTIVE_LOW>;
+ };
+};
+
+&flx4 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+ status = "okay";
+};
+
+&i2c6 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flx4_i2c>;
+ status = "okay";
+
+ eeprom: eeprom@50 {
+ compatible = "microchip,24c32", "atmel,24c32";
+ reg = <0x50>;
+ read-only;
+ pagesize = <32>;
+ status = "okay";
+ };
+};
+
+&pioA {
+ pinctrl {
+ pinctrl_uart1_default: uart1_default {
+ pinmux = <PIN_PD2__URXD1>,
+ <PIN_PD3__UTXD1>;
+ bias-disable;
+ };
+
+ pinctrl_macb0_phy_irq: macb0_phy_irq {
+ pinmux = <PIN_PB13__GPIO>;
+ bias-disable;
+ };
+
+ pinctrl_macb0_rmii: macb0_rmii {
+ pinmux = <PIN_PB14__GTXCK>,
+ <PIN_PB15__GTXEN>,
+ <PIN_PB16__GRXDV>,
+ <PIN_PB17__GRXER>,
+ <PIN_PB18__GRX0>,
+ <PIN_PB19__GRX1>,
+ <PIN_PB20__GTX0>,
+ <PIN_PB21__GTX1>,
+ <PIN_PB22__GMDC>,
+ <PIN_PB23__GMDIO>;
+ bias-disable;
+ };
+
+ pinctrl_sdmmc0_cmd_dat_default: sdmmc0_cmd_dat_default {
+ pinmux = <PIN_PA1__SDMMC0_CMD>,
+ <PIN_PA2__SDMMC0_DAT0>,
+ <PIN_PA3__SDMMC0_DAT1>,
+ <PIN_PA4__SDMMC0_DAT2>,
+ <PIN_PA5__SDMMC0_DAT3>;
+ bias-pull-up;
+ };
+
+ pinctrl_sdmmc0_ck_cd_default: sdmmc0_ck_cd_default {
+ pinmux = <PIN_PA0__SDMMC0_CK>,
+ <PIN_PA11__SDMMC0_VDDSEL>,
+ <PIN_PA13__SDMMC0_CD>;
+ bias-disable;
+ };
+
+ pinctrl_flx4_i2c: flx4_i2c {
+ pinmux = <PIN_PC28__FLEXCOM4_IO0>,
+ <PIN_PC29__FLEXCOM4_IO1>;
+ bias-disable;
+ };
+ };
+};