board: atmel: Add SAMA5D27 giant board
Giant board is a tiny SBC based on the Adafruit Feather form factor,
created by groboards it contains a SAMA5D2 processor (SAMA5D27),
128 MB of RAM and a microSD card for storage.
Signed-off-by: Greg Gallagher <greg@embeddedgreg.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a9d36e0..1d4eddd 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -905,7 +905,8 @@
at91-sama5d2_xplained.dtb
dtb-$(CONFIG_TARGET_SAMA5D27_SOM1_EK) += \
- at91-sama5d27_som1_ek.dtb
+ at91-sama5d27_som1_ek.dtb \
+ at91-sama5d27_giantboard.dtb
dtb-$(CONFIG_TARGET_SAMA5D27_WLSOM1_EK) += \
at91-sama5d27_wlsom1_ek.dtb
diff --git a/arch/arm/dts/at91-sama5d27_giantboard.dts b/arch/arm/dts/at91-sama5d27_giantboard.dts
new file mode 100644
index 0000000..e81ca60
--- /dev/null
+++ b/arch/arm/dts/at91-sama5d27_giantboard.dts
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * at91-sama5d27_giantboard.dts - Device Tree file for Giant Board
+ *
+ * Copyright (C) 2020 Greg Gallagher <greg@embeddedgreg.com>
+ *
+ * Derived from at91-sama5d27_som1_ek.dts
+ *
+ * Copyright (C) 2017 Microchip Corporation
+ * Wenyou Yang <wenyou.yang@microchip.com>
+ */
+/dts-v1/;
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+
+/ {
+ model = "Giant Board";
+ compatible = "atmel,sama5d27-giantboard", "atmel,sama5d2", "atmel,sama5";
+
+ memory {
+ reg = <0x20000000 0x8000000>;
+ };
+
+ chosen {
+ u-boot,dm-pre-reloc;
+ stdout-path = &uart1;
+ };
+
+ ahb {
+ sdmmc1: sdio-host@b0000000 {
+ bus-width = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc1_cmd_dat_default &pinctrl_sdmmc1_ck_cd_default>;
+ status = "okay";
+ u-boot,dm-pre-reloc;
+ };
+
+ apb {
+
+ uart1: serial@f8020000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1_default>;
+ status = "okay";
+ u-boot,dm-pre-reloc;
+ };
+
+ i2c0: i2c@f8028000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c0_default>;
+ status = "okay";
+ };
+
+ i2c1: i2c@fc028000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1_default>;
+ status = "okay";
+
+ pmic@5b {
+ compatible = "active-semi,act8945a";
+ reg = <0x5b>;
+ active-semi,vsel-low;
+ status = "okay";
+ };
+ };
+
+ pit: timer@f8048030 {
+ status = "okay";
+ u-boot,dm-pre-reloc;
+ };
+
+ sfr: sfr@f8030000 {
+ status = "okay";
+ u-boot,dm-pre-reloc;
+ };
+
+ pioA: gpio@fc038000 {
+ pinctrl {
+
+ pinctrl_sdmmc1_cmd_dat_default: sdmmc1_cmd_dat_default {
+ pinmux = <PIN_PA28__SDMMC1_CMD>,
+ <PIN_PA18__SDMMC1_DAT0>,
+ <PIN_PA19__SDMMC1_DAT1>,
+ <PIN_PA20__SDMMC1_DAT2>,
+ <PIN_PA21__SDMMC1_DAT3>;
+ bias-pull-up;
+ u-boot,dm-pre-reloc;
+ };
+
+ pinctrl_sdmmc1_ck_cd_default: sdmmc1_ck_cd_default {
+ pinmux = <PIN_PA22__SDMMC1_CK>,
+ <PIN_PA30__SDMMC1_CD>;
+ bias-disable;
+ u-boot,dm-pre-reloc;
+ };
+
+ pinctrl_uart1_default: uart1_default {
+ pinmux = <PIN_PD2__URXD1>,
+ <PIN_PD3__UTXD1>;
+ bias-disable;
+ u-boot,dm-pre-reloc;
+ };
+
+ pinctrl_i2c0_default: i2c0_default {
+ pinmux = <PIN_PD21__TWD0>,
+ <PIN_PD22__TWCK0>;
+ bias-disable;
+ };
+
+ pinctrl_i2c1_default: i2c1_default {
+ pinmux = <PIN_PD4__TWD1>,
+ <PIN_PD5__TWCK1>;
+ bias-disable;
+ };
+
+ pinctrl_usb_default: usb_default {
+ pinmux = <PIN_PB10__GPIO>;
+ bias-disable;
+ };
+
+ pinctrl_usba_vbus: usba_vbus {
+ pinmux = <PIN_PA31__GPIO>;
+ bias-disable;
+ };
+ };
+ };
+ };
+ };
+};