[PATCH 1/1] ARM:dts:sunxi: Add Olimex A20-SOM-EVB-eMMC board

Stefan Mavrodiev stefan at olimex.com
Wed May 16 04:38:08 PDT 2018


With the new rev.E of A20-SOM-EVB, there is option for 16GB eMMC.
Currently used card is KLMAG2GEND, wired to MMC2 slot.

Signed-off-by: Stefan Mavrodiev <stefan at olimex.com>
---
 arch/arm/boot/dts/Makefile                         |  1 +
 .../arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts | 37 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 1db91ec..7f1ee65 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -959,6 +959,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-m3.dtb \
 	sun7i-a20-mk808c.dtb \
 	sun7i-a20-olimex-som-evb.dtb \
+	sun7i-a20-olimex-som-evb-emmc.dtb \
 	sun7i-a20-olimex-som204-evb.dtb \
 	sun7i-a20-olimex-som204-evb-emmc.dtb \
 	sun7i-a20-olinuxino-lime.dtb \
diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts
new file mode 100644
index 0000000..81ebc97
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb-emmc.dts
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree Source for A20-Olimex-SOM-EVB-eMMC Board
+ *
+ * Copyright (C) 2018 Olimex Ltd.
+ *   Author: Stefan Mavrodiev <stefan at olimex.com>
+ */
+
+/dts-v1/;
+#include "sun7i-a20-olimex-som-evb.dts"
+
+/ {
+
+	model = "Olimex A20-Olimex-SOM-EVB-eMMC";
+	compatible = "olimex,a20-olimex-som-evb-emmc", "allwinner,sun7i-a20";
+
+	mmc2_pwrseq: mmc2_pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&pio 2 18 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins_a>;
+	vmmc-supply = <&reg_vcc3v3>;
+	mmc-pwrseq = <&mmc2_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	emmc: emmc at 0 {
+		reg = <0>;
+		compatible = "mmc-card";
+		broken-hpi;
+	};
+};
-- 
2.7.4




More information about the linux-arm-kernel mailing list