[PATCH 16/19] csky: Device tree

From: Guo Ren
Date: Sun Mar 18 2018 - 15:55:18 EST


Signed-off-by: Guo Ren <ren_guo@xxxxxxxxx>
---
arch/csky/boot/dts/gx6605s.dts | 159 +++++++++++++++++++++++++++++++++
arch/csky/boot/dts/include/dt-bindings | 1 +
arch/csky/boot/dts/qemu.dts | 87 ++++++++++++++++++
3 files changed, 247 insertions(+)
create mode 100644 arch/csky/boot/dts/gx6605s.dts
create mode 120000 arch/csky/boot/dts/include/dt-bindings
create mode 100644 arch/csky/boot/dts/qemu.dts

diff --git a/arch/csky/boot/dts/gx6605s.dts b/arch/csky/boot/dts/gx6605s.dts
new file mode 100644
index 0000000..0d34d22
--- /dev/null
+++ b/arch/csky/boot/dts/gx6605s.dts
@@ -0,0 +1,159 @@
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Nationalchip gx6605s ck610";
+ compatible = "nationalchip,gx6605s,ck610";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory {
+ device_type = "memory";
+ reg = <0x10000000 0x04000000>;
+ };
+
+ cpus {
+ #address-cells = <0>;
+ #size-cells = <0>;
+
+ cpu {
+ device_type = "cpu";
+ ccr = <0x7d>;
+ hint = <0x1c>;
+ };
+ };
+
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges;
+
+ intc: interrupt-controller {
+ compatible = "nationalchip,intc-v1,ave";
+ reg = <0x00500000 0x400>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ timer0 {
+ compatible = "nationalchip,timer-v1";
+ reg = <0x0020a000 0x400>;
+ clock-frequency = <1000000>;
+ interrupts = <10>;
+ interrupt-parent = <&intc>;
+ };
+
+ ehci: ehci-hcd {
+ compatible = "generic-ehci";
+ reg = <0x00900000 0x400>;
+ interrupt-parent = <&intc>;
+ interrupts = <59>;
+ };
+
+ ohci0: ohci-hcd0 {
+ compatible = "generic-ohci";
+ reg = <0x00a00000 0x400>;
+ interrupt-parent = <&intc>;
+ interrupts = <58>;
+ };
+
+ ohci1: ohci-hcd1 {
+ compatible = "generic-ohci";
+ reg = <0x00b00000 0x400>;
+ interrupt-parent = <&intc>;
+ interrupts = <57>;
+ };
+
+ uart0: serial {
+ compatible = "ns16550a";
+ reg = <0x00403000 0x400>;
+ interrupt-parent = <&intc>;
+ interrupts = <15>;
+ clock-frequency = <29491200>;
+ baud = <115200>;
+ reg-shift = <2>;
+ reg-io-width = <1>;
+ };
+
+ gpio0: gpio {
+ compatible = "wd,mbl-gpio";
+ reg-names = "dirout", "dat", "set", "clr";
+ reg = <0x305000 4>, <0x305004 4>, <0x305008 4>, <0x30500c 4>;
+ bgpio-base = <0>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ };
+
+ gpio_buttons {
+ compatible = "gpio-keys-polled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ poll-interval = <100>;
+ autorepeat;
+
+ button0 {
+ label = "button8";
+ linux,code = <KEY_LEFT>;
+ gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+ };
+
+ button1 {
+ label = "button6";
+ linux,code = <KEY_RIGHT>;
+ gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+ };
+
+ button2 {
+ label = "button5";
+ linux,code = <KEY_UP>;
+ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
+ };
+
+ button3 {
+ label = "button9";
+ linux,code = <KEY_DOWN>;
+ gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+ };
+
+ button4 {
+ label = "button7";
+ linux,code = <KEY_ENTER>;
+ gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio_leds {
+ compatible = "gpio-leds";
+
+ led0 {
+ label = "led10";
+ gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ led1 {
+ label = "led11";
+ gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "timer";
+ };
+
+ led2 {
+ label = "led12";
+ gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+
+ led3 {
+ label = "led13";
+ gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "default-on";
+ };
+ };
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200 init=/sbin/init root=/dev/sda2 rw rootwait";
+ };
+};
diff --git a/arch/csky/boot/dts/include/dt-bindings b/arch/csky/boot/dts/include/dt-bindings
new file mode 120000
index 0000000..08c00e4
--- /dev/null
+++ b/arch/csky/boot/dts/include/dt-bindings
@@ -0,0 +1 @@
+../../../../../include/dt-bindings
\ No newline at end of file
diff --git a/arch/csky/boot/dts/qemu.dts b/arch/csky/boot/dts/qemu.dts
new file mode 100644
index 0000000..59e1c83
--- /dev/null
+++ b/arch/csky/boot/dts/qemu.dts
@@ -0,0 +1,87 @@
+/dts-v1/;
+
+/ {
+ model = "qemu.csky";
+ compatible = "csky";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory {
+ device_type = "memory";
+ reg = <0x0 0x40000000>;
+ };
+
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges;
+
+ intc: interrupt-controller {
+ compatible = "csky,intc-v1";
+ reg = <0xfffff000 0x1000>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ /* clockevent */
+ timer0 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xffffd000 0x1000>;
+ clocks = <&dummy_apb>;
+ clock-names = "timer";
+ interrupts = <1>;
+ interrupt-parent = <&intc>;
+ };
+
+ /* clocksource */
+ timer1 {
+ compatible = "snps,dw-apb-timer";
+ reg = <0xffffd014 0x800>;
+ clocks = <&dummy_apb>;
+ clock-names = "timer";
+ interrupts = <2>;
+ interrupt-parent = <&intc>;
+ };
+
+ serial0 {
+ compatible = "ns16550a";
+ reg = <0xffffe000 0x1000>;
+ interrupt-parent = <&intc>;
+ interrupts = <3>;
+ clocks = <&dummy_apb>;
+ baud = <115200>;
+ reg-shift = <2>;
+ reg-io-width = <1>;
+ };
+
+ dummy_apb: apb-clock {
+ compatible = "fixed-clock";
+ clock-frequency = <40000000>;
+ clock-output-names = "dummy_apb";
+ #clock-cells = <0>;
+ };
+
+ gmac: ethernet {
+ compatible = "snps,dwmac";
+ reg = <0xffffa000 0x2000>;
+ interrupt-parent = <&intc>;
+ interrupts = <4>;
+ interrupt-names = "macirq";
+ clocks = <&dummy_apb>;
+ clock-names = "stmmaceth";
+ phy-mode = "mii";
+ snps,pbl = <32>;
+ snps,fixed-burst;
+ };
+
+ qemu-exit {
+ compatible = "csky,qemu-exit";
+ reg = <0xffffc000 0x1000>;
+ };
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200 rdinit=/sbin/init root=/dev/ram0";
+ };
+};
--
2.7.4