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Subject[RFC PATCH 1/3] ARM: dts: Add support for OX820 and Pogoplug V3
Date
Add device tree for the Oxford Seminconductor OX820 SoC and the
Cloud Engines PogoPlug v3 board.
Add the SoC and board compatible strings to oxnas bindings.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
Documentation/devicetree/bindings/arm/oxnas.txt | 5 +
arch/arm/boot/dts/Makefile | 3 +-
.../boot/dts/cloudengines-pogoplug-series-3.dts | 60 +++++
arch/arm/boot/dts/ox820.dtsi | 259 +++++++++++++++++++++
4 files changed, 326 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
create mode 100644 arch/arm/boot/dts/ox820.dtsi

diff --git a/Documentation/devicetree/bindings/arm/oxnas.txt b/Documentation/devicetree/bindings/arm/oxnas.txt
index b9e4971..ac64e60 100644
--- a/Documentation/devicetree/bindings/arm/oxnas.txt
+++ b/Documentation/devicetree/bindings/arm/oxnas.txt
@@ -5,5 +5,10 @@ Boards with the OX810SE SoC shall have the following properties:
Required root node property:
compatible: "oxsemi,ox810se"

+Boards with the OX820 SoC shall have the following properties:
+ Required root node property:
+ compatible: "oxsemi,ox820"
+
Board compatible values:
- "wd,mbwe" (OX810SE)
+ - "cloudengines,pogoplugv3" (OX820)
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index faacd52..5d9e8d5 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -588,7 +588,8 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
dtb-$(CONFIG_ARCH_PRIMA2) += \
prima2-evb.dtb
dtb-$(CONFIG_ARCH_OXNAS) += \
- wd-mbwe.dtb
+ wd-mbwe.dtb \
+ cloudengines-pogoplug-series-3.dtb
dtb-$(CONFIG_ARCH_QCOM) += \
qcom-apq8060-dragonboard.dtb \
qcom-apq8064-arrow-sd-600eval.dtb \
diff --git a/arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts b/arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
new file mode 100644
index 0000000..78d9149
--- /dev/null
+++ b/arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
@@ -0,0 +1,60 @@
+/*
+ * cloudengines-pogoplug-series-3.dtsi - Device tree file for Cloud Engines PogoPlug Series 3
+ *
+ * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * Licensed under GPLv2 or later
+ */
+
+/dts-v1/;
+#include "ox820.dtsi"
+
+/ {
+ model = "Cloud Engines PogoPlug Series 3";
+
+ compatible = "cloudengines,pogoplugv3", "oxsemi,ox820";
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 earlyprintk=serial";
+ };
+
+ memory {
+ /* 128Mbytes DDR */
+ reg = <0x60000000 0x8000000>;
+ };
+
+ aliases {
+ serial0 = &uart0;
+ gpio0 = &gpio0;
+ gpio1 = &gpio1;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ blue {
+ label = "pogoplug:blue";
+ gpios = <&gpio0 2 0>;
+ default-state = "keep";
+ };
+
+ orange {
+ label = "pogoplug:orange";
+ gpios = <&gpio1 16 1>;
+ default-state = "keep";
+ };
+
+ green {
+ label = "pogoplug:green";
+ gpios = <&gpio1 17 1>;
+ default-state = "keep";
+ };
+ };
+};
+
+&uart0 {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart0>;
+};
diff --git a/arch/arm/boot/dts/ox820.dtsi b/arch/arm/boot/dts/ox820.dtsi
new file mode 100644
index 0000000..fe251f180
--- /dev/null
+++ b/arch/arm/boot/dts/ox820.dtsi
@@ -0,0 +1,259 @@
+/*
+ * ox820.dtsi - Device tree file for Oxford Semiconductor OX820 SoC
+ *
+ * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * Licensed under GPLv2 or later
+ */
+
+/include/ "skeleton.dtsi"
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/oxsemi,ox820.h>
+#include <dt-bindings/reset/oxsemi,ox820.h>
+
+/ {
+ compatible = "oxsemi,ox820";
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "oxsemi,ox820-smp";
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,arm11mpcore";
+ clocks = <&armclk>;
+ reg = <0>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,arm11mpcore";
+ clocks = <&armclk>;
+ reg = <1>;
+ };
+ };
+
+ memory {
+ /* Max 512MB @ 0x60000000 */
+ reg = <0x60000000 0x20000000>;
+ };
+
+ clocks {
+ osc: oscillator {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+
+ gmacclk: gmacclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <125000000>;
+ };
+
+ sysclk: sysclk {
+ compatible = "fixed-factor-clock";
+ #clock-cells = <0>;
+ clock-div = <4>;
+ clock-mult = <1>;
+ clocks = <&osc>;
+ };
+
+ plla: plla {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <850000000>;
+ };
+
+ armclk: armclk {
+ compatible = "fixed-factor-clock";
+ #clock-cells = <0>;
+ clock-div = <2>;
+ clock-mult = <1>;
+ clocks = <&plla>;
+ };
+ };
+
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges;
+ interrupt-parent = <&gic>;
+
+ apb-bridge@44000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges = <0 0x44000000 0x1000000>;
+
+ pinctrl: pinctrl {
+ compatible = "oxsemi,ox820-pinctrl";
+
+ /* Regmap for sys registers */
+ oxsemi,sys-ctrl = <&sys>;
+
+ pinctrl_uart0: uart0 {
+ uart0 {
+ pins = "gpio30", "gpio31";
+ function = "fct5";
+ };
+ };
+
+ pinctrl_uart0_modem: uart0_modem {
+ uart0_modem_a {
+ pins = "gpio24", "gpio24", "gpio26", "gpio27";
+ function = "fct4";
+ };
+ uart0_modem_b {
+ pins = "gpio28", "gpio29";
+ function = "fct5";
+ };
+ };
+
+ pinctrl_uart1: uart1 {
+ uart1 {
+ pins = "gpio7", "gpio8";
+ function = "fct4";
+ };
+ };
+
+ pinctrl_uart1_modem: uart1_modem {
+ uart1_modem {
+ pins = "gpio5", "gpio6", "gpio40", "gpio41", "gpio42", "gpio43";
+ function = "fct4";
+ };
+ };
+
+ pinctrl_etha_mdio: etha_mdio {
+ etha_mdio {
+ pins = "gpio3", "gpio4";
+ function = "fct1";
+ };
+ };
+ };
+
+ gpio0: gpio@000000 {
+ compatible = "oxsemi,ox820-gpio";
+ reg = <0x000000 0x100000>;
+ interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ ngpios = <32>;
+ oxsemi,gpio-bank = <0>;
+ gpio-ranges = <&pinctrl 0 0 32>;
+ };
+
+ gpio1: gpio@100000 {
+ compatible = "oxsemi,ox820-gpio";
+ reg = <0x100000 0x100000>;
+ interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ ngpios = <18>;
+ oxsemi,gpio-bank = <1>;
+ gpio-ranges = <&pinctrl 0 32 18>;
+ };
+
+ uart0: serial@200000 {
+ compatible = "ns16550a";
+ reg = <0x200000 0x100000>;
+ interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <0>;
+ fifo-size = <16>;
+ reg-io-width = <1>;
+ current-speed = <115200>;
+ no-loopback-test;
+ status = "disabled";
+ clocks = <&sysclk>;
+ resets = <&reset RESET_UART1>;
+ };
+
+ uart1: serial@300000 {
+ compatible = "ns16550a";
+ reg = <0x200000 0x100000>;
+ interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <0>;
+ fifo-size = <16>;
+ reg-io-width = <1>;
+ current-speed = <115200>;
+ no-loopback-test;
+ status = "disabled";
+ clocks = <&sysclk>;
+ resets = <&reset RESET_UART2>;
+ };
+
+ rps@400000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges = <0 0x400000 0x100000>;
+
+ intc: interrupt-controller@0 {
+ compatible = "oxsemi,ox820-rps-irq", "oxsemi,ox810se-rps-irq";
+ interrupt-controller;
+ reg = <0 0x200>;
+ interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+ #interrupt-cells = <1>;
+ valid-mask = <0xFFFFFFFF>;
+ clear-mask = <0>;
+ };
+
+ timer0: timer@200 {
+ compatible = "oxsemi,ox820-rps-timer";
+ reg = <0x200 0x40>;
+ clocks = <&sysclk>;
+ interrupt-parent = <&intc>;
+ interrupts = <4>;
+ };
+ };
+
+ sys: sys-ctrl@e00000 {
+ compatible = "oxsemi,ox820-sys-ctrl", "syscon", "simple-mfd";
+ reg = <0xe00000 0x200000>;
+
+ reset: reset-controller {
+ compatible = "oxsemi,ox820-reset", "oxsemi,ox810se-reset";
+ #reset-cells = <1>;
+ };
+
+ stdclk: stdclk {
+ compatible = "oxsemi,ox820-stdclk", "oxsemi,ox810se-stdclk";
+ #clock-cells = <1>;
+ };
+ };
+ };
+
+ apb-bridge@47000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges = <0 0x47000000 0x1000000>;
+
+ scu: scu@0 {
+ compatible = "arm,arm11mp-scu";
+ reg = <0x0 0x100>;
+ };
+
+ local-timer@600 {
+ compatible = "arm,arm11mp-twd-timer";
+ reg = <0x600 0x20>;
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(3)|IRQ_TYPE_LEVEL_HIGH)>;
+ clocks = <&armclk>;
+ };
+
+ gic: gic@1000 {
+ compatible = "arm,arm11mp-gic";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0x1000 0x1000>,
+ <0x100 0x500>;
+ };
+ };
+ };
+};
--
2.7.0
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