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Date: Fri, 21 Oct 2016 17:10:35 +0200
From: Neil Armstrong <narmstrong@...libre.com>
To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-oxnas@...ts.tuxfamily.org, devicetree@...r.kernel.org
Cc: Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH 1/3] ARM: dts: Add support for OX820 and Pogoplug V3
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.
Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
Documentation/devicetree/bindings/arm/oxnas.txt | 5 +
arch/arm/boot/dts/Makefile | 3 +-
.../boot/dts/cloudengines-pogoplug-series-3.dts | 94 +++++++
arch/arm/boot/dts/ox820.dtsi | 298 +++++++++++++++++++++
4 files changed, 399 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 befcd26..3b0c74f 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -604,7 +604,8 @@ 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..bfde32e
--- /dev/null
+++ b/arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
@@ -0,0 +1,94 @@
+/*
+ * cloudengines-pogoplug-series-3.dtsi - Device tree file for Cloud Engines PogoPlug Series 3
+ *
+ * Copyright (C) 2016 Neil Armstrong <narmstrong@...libre.com>
+ *
+ * Licensed under GPLv2 or later
+ */
+
+/dts-v1/;
+#include "ox820.dtsi"
+
+/ {
+ model = "Cloud Engines PogoPlug Series 3";
+
+ compatible = "cloudengines,pogoplugv3", "oxsemi,ox820";
+
+ chosen {
+ bootargs = "earlyprintk";
+ stdout-path = "serial0:115200n8";
+ };
+
+ 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>;
+};
+
+&nandc {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_nand>;
+
+ nand@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ nand-ecc-mode = "soft";
+ nand-ecc-algo = "hamming";
+
+ partition@0 {
+ label = "boot";
+ reg = <0x00000000 0x00e00000>;
+ read-only;
+ };
+
+ partition@...000 {
+ label = "ubi";
+ reg = <0x00e00000 0x07200000>;
+ };
+ };
+};
+
+ða {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_etha_mdio>;
+};
diff --git a/arch/arm/boot/dts/ox820.dtsi b/arch/arm/boot/dts/ox820.dtsi
new file mode 100644
index 0000000..4592075
--- /dev/null
+++ b/arch/arm/boot/dts/ox820.dtsi
@@ -0,0 +1,298 @@
+/*
+ * ox820.dtsi - Device tree file for Oxford Semiconductor OX820 SoC
+ *
+ * Copyright (C) 2016 Neil Armstrong <narmstrong@...libre.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>;
+
+ nandc: nand-controller@...00000 {
+ compatible = "oxsemi,ox820-nand";
+ reg = <0x41000000 0x100000>;
+ clocks = <&stdclk CLK_820_NAND>;
+ resets = <&reset RESET_NAND>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ etha: ethernet@...00000 {
+ compatible = "oxsemi,ox820-dwmac", "snps,dwmac";
+ reg = <0x40400000 0x2000>;
+ interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq", "eth_wake_irq";
+ mac-address = [000000000000]; /* Filled in by U-Boot */
+ phy-mode = "rgmii";
+
+ clocks = <&stdclk CLK_820_ETHA>, <&gmacclk>;
+ clock-names = "gmac", "stmmaceth";
+ resets = <&reset RESET_MAC>;
+
+ /* Regmap for sys registers */
+ oxsemi,sys-ctrl = <&sys>;
+
+ status = "disabled";
+ };
+
+ apb-bridge@...00000 {
+ #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";
+ };
+ };
+
+ pinctrl_nand: nand {
+ nand {
+ pins = "gpio12", "gpio13", "gpio14", "gpio15",
+ "gpio16", "gpio17", "gpio18", "gpio19",
+ "gpio20", "gpio21", "gpio22", "gpio23",
+ "gpio24";
+ function = "fct1";
+ };
+ };
+ };
+
+ gpio0: gpio@...000 {
+ 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@...000 {
+ 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@...000 {
+ 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@...000 {
+ 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@...000 {
+ #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@...000 {
+ 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@...00000 {
+ #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@...0 {
+ compatible = "arm,arm11mp-gic";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0x1000 0x1000>,
+ <0x100 0x500>;
+ };
+ };
+ };
+};
--
2.7.0
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