Re: [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T

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On Sun, 17 Jul 2016, Rob Herring wrote:

On Sat, Jul 16, 2016 at 03:29:04PM +0100, Jamie Lentin wrote:
This is a router based on the mv88f5181 chipset.

http://www.netgear.com/support/product/WNR854T.aspx
http://wiki.openwrt.org/toh/netgear/wnr854t

Signed-off-by: Jamie Lentin <jm@xxxxxxxxxxxx>
---
 .../bindings/arm/marvell/marvell,orion5x.txt       |   1 +
 arch/arm/boot/dts/Makefile                         |   1 +
 arch/arm/boot/dts/orion5x-netgear-wnr854t.dts      | 200 +++++++++++++++++++++
 arch/arm/mach-orion5x/Kconfig                      |   6 +
 arch/arm/mach-orion5x/Makefile                     |   1 +
 arch/arm/mach-orion5x/board-wnr854t.c              |  78 ++++++++
 6 files changed, 287 insertions(+)
 create mode 100644 arch/arm/boot/dts/orion5x-netgear-wnr854t.dts
 create mode 100644 arch/arm/mach-orion5x/board-wnr854t.c

diff --git a/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt b/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt
index ff3c120..748a8f2 100644
--- a/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/marvell,orion5x.txt
@@ -22,3 +22,4 @@ board. Currently known boards are:
 "lacie,d2-network"
 "marvell,rd-88f5182-nas"
 "maxtor,shared-storage-2"
+"netgear,wnr854t"
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 95c1923..63b9202 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -535,6 +535,7 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
 	orion5x-linkstation-lswtgl.dtb \
 	orion5x-lswsgl.dtb \
 	orion5x-maxtor-shared-storage-2.dtb \
+	orion5x-netgear-wnr854t.dtb \
 	orion5x-rd88f5182-nas.dtb
 dtb-$(CONFIG_ARCH_PRIMA2) += \
 	prima2-evb.dtb
diff --git a/arch/arm/boot/dts/orion5x-netgear-wnr854t.dts b/arch/arm/boot/dts/orion5x-netgear-wnr854t.dts
new file mode 100644
index 0000000..a8e89d8
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-netgear-wnr854t.dts
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2014 Jamie Lentin <jm@xxxxxxxxxxxx>

It's 2016 now.

+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include "orion5x-mv88f5181.dtsi"
+
+/ {
+	model = "Netgear WNR854-t";
+	compatible = "netgear,wnr854t", "marvell,orion5x-88f5181",
+			"marvell,orion5x";
+
+	memory {
+		reg = <0x00000000 0x2000000>; /* 32 MB */
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200n8 earlyprintk";
+		linux,stdout-path = &uart0;

As kind of mentioned, drop the linux prefix here.

+	};
+
+	soc {
+		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>,
+			<MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>,
+			<MBUS_ID(0x01, 0x0f) 0 0xf4000000 0x800000>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-0 = <&pmx_reset_switch>;
+		pinctrl-names = "default";
+
+		reset {
+			label = "Reset Button";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		pinctrl-0 = <&pmx_power_led &pmx_power_led_blink &pmx_wan_led>;
+		pinctrl-names = "default";
+
+		led@0 {
+			label = "power:green";
+			gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+		};
+
+		led@1 {
+			label = "power:blink";
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+		};
+
+		led@2 {
+			label = "wan:green";
+			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	dsa@0 {
+		compatible = "marvell,dsa";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		dsa,ethernet = <&ethport>;
+		dsa,mii-bus = <&mdio>;
+
+		switch@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0>;	/* MDIO address 0, switch 0 in tree */
+
+			port@0 {
+				reg = <0>;
+				label = "lan3";
+			};
+
+			port@1 {
+				reg = <1>;
+				label = "lan4";
+			};
+
+			port@2 {
+				reg = <2>;
+				label = "wan";
+			};
+
+			port@3 {
+				reg = <3>;
+				label = "cpu";
+			};
+
+			port@5 {
+				reg = <5>;
+				label = "lan1";
+			};
+
+			port@7 {
+				reg = <7>;
+				label = "lan2";
+			};
+		};
+	};
+};
+
+&devbus_bootcs {
+	status = "okay";
+
+	devbus,keep-config;
+
+	flash@0 {
+		compatible = "cfi-flash";
+		reg = <0 0x800000>;
+		bank-width = <1>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {

The new recommended style adds a level here with a partitions node and
the type of partitioning.

+			label = "kernel";
+			reg = <0x0 0x100000>;
+		};
+
+		partition@100000 {
+			label = "rootfs";
+			reg = <0x100000 0x660000>;
+		};
+
+		partition@760000 {
+			label = "uboot_env";
+			reg = <0x760000 0x20000>;
+		};
+
+		partition@780000 {
+			label = "uboot";
+			reg = <0x780000 0x80000>;
+			read-only;
+		};
+	};
+};
+
+&mdio {
+	status = "okay";
+};
+
+&eth {
+	status = "okay";
+	ethernet-port@0 {
+		speed = <1000>;
+		duplex = <1>;
+	};
+};
+
+&pinctrl {
+	pinctrl-0 = <&pmx_pci_gpios &pmx_ge>;
+	pinctrl-names = "default";
+
+	pmx_power_led: pmx-power-led {
+		marvell,pins = "mpp0";
+		marvell,function = "gpio";
+	};
+
+	pmx_reset_switch: pmx-reset-switch {
+		marvell,pins = "mpp1";
+		marvell,function = "gpio";
+	};
+
+	pmx_power_led_blink: pmx-power-led-blink {
+		marvell,pins = "mpp2";
+		marvell,function = "gpio";
+	};
+
+	pmx_wan_led: pmx-wan-led {
+		marvell,pins = "mpp3";
+		marvell,function = "gpio";
+	};
+
+	pmx_pci_gpios: pmx-pci-gpios {
+		marvell,pins = "mpp4";
+		marvell,function = "gpio";
+	};
+
+	pmx_ge: pmx-ge {
+		marvell,pins = "mpp9", "mpp12",	"mpp13", "mpp14", "mpp15",
+				"mpp16", "mpp17", "mpp18", "mpp19";
+		marvell,function = "ge";
+	};
+};
+
+&uart0 {
+	/* Pin 1: Tx, Pin 7: Rx, Pin 8: Gnd */
+	status = "okay";
+};
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index a2af158..1fdb95d 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -151,6 +151,12 @@ config MACH_MSS2_DT
 	  Say 'Y' here if you want your kernel to support the
 	  Maxtor Shared Storage II platform.

+config MACH_WNR854T_DT

There should only be at most 1 kconfig entry for all orion5x DT based
platforms.

Even though it needs arch/arm/mach-orion5x/board-wnr854t.c to init the PCI? orion5x currently has other board _DT options, I presumed for this reason.

+	bool "Netgear WNR854T (Flattened Device Tree)"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Netgear WNR854T platform.
+
 config MACH_WNR854T
 	bool "Netgear WNR854T"
 	help


--
Jamie Lentin
--
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