ARM: legoev3: convert to driver model
This converts LEGO MINDSTORMS EV3 to the driver model. MMC, SERIAL, SPI
and SPI_FLASH are converted.
The device tree contains only the minimal nodes required by U-Boot
since the size of U-Boot is limited to 256K on this device.
Signed-off-by: David Lechner <david@lechnology.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 20dbc2f..b593c9e 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -30,7 +30,8 @@
dtb-$(CONFIG_ARCH_DAVINCI) += \
da850-evm.dtb \
- da850-lcdk.dtb
+ da850-lcdk.dtb \
+ da850-lego-ev3.dtb
dtb-$(CONFIG_KIRKWOOD) += \
kirkwood-atl-sbx81lifkw.dtb \
diff --git a/arch/arm/dts/da850-lego-ev3.dts b/arch/arm/dts/da850-lego-ev3.dts
new file mode 100644
index 0000000..e281d03
--- /dev/null
+++ b/arch/arm/dts/da850-lego-ev3.dts
@@ -0,0 +1,89 @@
+/*
+ * Device tree for LEGO MINDSTORMS EV3
+ *
+ * Copyright (C) 2017 David Lechner <david@lechnology.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * This is an absolute minimum device tree instead of using the one from Linux
+ * because the bootloader on the EV3 is limited to 256k. This saves us >10k.
+ */
+
+/dts-v1/;
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "lego,ev3", "ti,da850";
+ model = "LEGO MINDSTORMS EV3";
+
+ aliases {
+ serial1 = &serial1;
+ spi0 = &spi0;
+ };
+
+ chosen {
+ stdout-path = &serial1;
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0xc0000000 0x04000000>;
+ };
+
+ arm {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ intc: interrupt-controller@fffee000 {
+ compatible = "ti,cp-intc";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ ti,intc-size = <101>;
+ reg = <0xfffee000 0x2000>;
+ };
+ };
+
+ soc@1c00000 {
+ compatible = "simple-bus";
+ model = "da850";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x01c00000 0x400000>;
+ interrupt-parent = <&intc>;
+
+ mmc0: mmc@40000 {
+ compatible = "ti,da830-mmc";
+ reg = <0x40000 0x1000>;
+ cap-sd-highspeed;
+ cap-mmc-highspeed;
+ interrupts = <16>;
+ max-frequency = <50000000>;
+ bus-width = <4>;
+ };
+
+ spi0: spi@41000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "ti,da830-spi";
+ reg = <0x41000 0x1000>;
+ num-cs = <6>;
+ ti,davinci-spi-intr-line = <1>;
+ interrupts = <20>;
+
+ flash@0 {
+ compatible = "micron,n25q128a13", "jedec,spi-nor", "spi-flash";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ };
+ };
+
+ serial1: serial@10c000 {
+ compatible = "ti,da830-uart", "ns16550a";
+ reg = <0x10c000 0x100>;
+ reg-io-width = <4>;
+ reg-shift = <2>;
+ interrupts = <53>;
+ };
+ };
+};