[PATCH] convert orion5x ls-chl to device tree
Ash Hughes
sehguh.hsa at gmail.com
Mon Oct 24 16:04:49 PDT 2016
Hi all,
This patch converts my orion5x ls-chl Linkstation device to device tree.
Signed-off-by: Ashley Hughes <ashley.hughes at blueyonder.co.uk>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/orion5x-lschl.dts | 171 ++++++++++++++++++
arch/arm/mach-orion5x/Kconfig | 4 +-
arch/arm/mach-orion5x/Makefile | 1 -
arch/arm/mach-orion5x/ls-chl-setup.c | 331 -----------------------------------
5 files changed, 174 insertions(+), 334 deletions(-)
create mode 100644 arch/arm/boot/dts/orion5x-lschl.dts
delete mode 100644 arch/arm/mach-orion5x/ls-chl-setup.c
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index befcd26..4853049 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -597,6 +597,7 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
orion5x-lacie-ethernet-disk-mini-v2.dtb \
orion5x-linkstation-lsgl.dtb \
orion5x-linkstation-lswtgl.dtb \
+ orion5x-lschl.dtb \
orion5x-lswsgl.dtb \
orion5x-maxtor-shared-storage-2.dtb \
orion5x-netgear-wnr854t.dtb \
diff --git a/arch/arm/boot/dts/orion5x-lschl.dts b/arch/arm/boot/dts/orion5x-lschl.dts
new file mode 100644
index 0000000..9474092
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-lschl.dts
@@ -0,0 +1,171 @@
+/*
+ * Device Tree file for Buffalo Linkstation LS-CHLv3
+ *
+ * Copyright (C) 2016 Ash Hughes <ashley.hughes at blueyonder.co.uk>
+ * Copyright (C) 2015, 2016
+ * Roger Shimizu <rogershimizu at gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include "orion5x-linkstation.dtsi"
+#include "mvebu-linkstation-gpio-simple.dtsi"
+#include "mvebu-linkstation-fan.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ model = "Buffalo Linkstation Live v3 (LS-CHL)";
+ compatible = "buffalo,lschl", "marvell,orion5x-88f5182", "marvell,orion5x";
+
+ memory { /* 128 MB */
+ device_type = "memory";
+ reg = <0x00000000 0x8000000>;
+ };
+
+ gpio_keys {
+ func {
+ label = "Function Button";
+ linux,code = <KEY_OPTION>;
+ gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
+ };
+
+ power-on-switch {
+ gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+ };
+
+ power-auto-switch {
+ gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio_leds {
+ pinctrl-0 = <&pmx_led_power &pmx_led_alarm &pmx_led_info &pmx_led_func>;
+ blue-power-led {
+ gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+ };
+
+ red-alarm-led {
+ gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+ };
+
+ amber-info-led {
+ gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+ };
+
+ func {
+ label = "lschl:func:blue:top";
+ gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio_fan {
+ gpios = <&gpio0 14 GPIO_ACTIVE_LOW
+ &gpio0 16 GPIO_ACTIVE_LOW>;
+
+ alarm-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+ };
+};
+
+&pinctrl {
+ pmx_led_power: pmx-leds {
+ marvell,pins = "mpp0";
+ marvell,function = "gpio";
+ };
+
+ pmx_power_hdd: pmx-power-hdd {
+ marvell,pins = "mpp1";
+ marvell,function = "gpio";
+ };
+
+ pmx_led_alarm: pmx-leds {
+ marvell,pins = "mpp2";
+ marvell,function = "gpio";
+ };
+
+ pmx_led_info: pmx-leds {
+ marvell,pins = "mpp3";
+ marvell,function = "gpio";
+ };
+
+ pmx_fan_lock: pmx-fan-lock {
+ marvell,pins = "mpp6";
+ marvell,function = "gpio";
+ };
+
+ pmx_power_switch: pmx-power-switch {
+ marvell,pins = "mpp8", "mpp10", "mpp15";
+ marvell,function = "gpio";
+ };
+
+ pmx_power_usb: pmx-power-usb {
+ marvell,pins = "mpp9";
+ marvell,function = "gpio";
+ };
+
+ pmx_fan_high: pmx-fan-high {
+ marvell,pins = "mpp14";
+ marvell,function = "gpio";
+ };
+
+ pmx_fan_low: pmx-fan-low {
+ marvell,pins = "mpp16";
+ marvell,function = "gpio";
+ };
+
+ pmx_led_func: pmx-leds {
+ marvell,pins = "mpp17";
+ marvell,function = "gpio";
+ };
+
+ pmx_sw_init: pmx-sw-init {
+ marvell,pins = "mpp7";
+ marvell,function = "gpio";
+ };
+};
+
+&hdd_power {
+ gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+};
+
+&usb_power {
+ gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+};
+
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 89bb0fc..793efa9 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -85,8 +85,8 @@ config MACH_LINKSTATION_PRO
v2 devices are supported.
config MACH_LINKSTATION_LSCHL
- bool "Buffalo Linkstation Live v3 (LS-CHL)"
- select I2C_BOARDINFO if I2C
+ bool "Buffalo Linkstation Live v3 (LS-CHL) (Flattened Device Tree)"
+ select ARCH_ORION5X_DT
help
Say 'Y' here if you want your kernel to support the
Buffalo Linkstation Live v3 (LS-CHL) platform.
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 4b2502b..ae91872 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -18,7 +18,6 @@ obj-$(CONFIG_MACH_WNR854T) += wnr854t-setup.o
obj-$(CONFIG_MACH_RD88F5181L_GE) += rd88f5181l-ge-setup.o
obj-$(CONFIG_MACH_RD88F5181L_FXO) += rd88f5181l-fxo-setup.o
obj-$(CONFIG_MACH_RD88F6183AP_GE) += rd88f6183ap-ge-setup.o
-obj-$(CONFIG_MACH_LINKSTATION_LSCHL) += ls-chl-setup.o
obj-$(CONFIG_ARCH_ORION5X_DT) += board-dt.o
obj-$(CONFIG_MACH_D2NET_DT) += board-d2net.o
diff --git a/arch/arm/mach-orion5x/ls-chl-setup.c b/arch/arm/mach-orion5x/ls-chl-setup.c
deleted file mode 100644
index dfdaa8a..0000000
--- a/arch/arm/mach-orion5x/ls-chl-setup.c
+++ /dev/null
@@ -1,331 +0,0 @@
-/*
- * arch/arm/mach-orion5x/ls-chl-setup.c
- *
- * Maintainer: Ash Hughes <ashley.hughes at blueyonder.co.uk>
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mv643xx_eth.h>
-#include <linux/leds.h>
-#include <linux/gpio_keys.h>
-#include <linux/gpio-fan.h>
-#include <linux/input.h>
-#include <linux/i2c.h>
-#include <linux/ata_platform.h>
-#include <linux/gpio.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include "common.h"
-#include "mpp.h"
-#include "orion5x.h"
-
-/*****************************************************************************
- * Linkstation LS-CHL Info
- ****************************************************************************/
-
-/*
- * 256K NOR flash Device bus boot chip select
- */
-
-#define LSCHL_NOR_BOOT_BASE 0xf4000000
-#define LSCHL_NOR_BOOT_SIZE SZ_256K
-
-/*****************************************************************************
- * 256KB NOR Flash on BOOT Device
- ****************************************************************************/
-
-static struct physmap_flash_data lschl_nor_flash_data = {
- .width = 1,
-};
-
-static struct resource lschl_nor_flash_resource = {
- .flags = IORESOURCE_MEM,
- .start = LSCHL_NOR_BOOT_BASE,
- .end = LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1,
-};
-
-static struct platform_device lschl_nor_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &lschl_nor_flash_data,
- },
- .num_resources = 1,
- .resource = &lschl_nor_flash_resource,
-};
-
-/*****************************************************************************
- * Ethernet
- ****************************************************************************/
-
-static struct mv643xx_eth_platform_data lschl_eth_data = {
- .phy_addr = MV643XX_ETH_PHY_ADDR(8),
-};
-
-/*****************************************************************************
- * RTC 5C372a on I2C bus
- ****************************************************************************/
-
-static struct i2c_board_info __initdata lschl_i2c_rtc = {
- I2C_BOARD_INFO("rs5c372a", 0x32),
-};
-
-/*****************************************************************************
- * LEDs attached to GPIO
- ****************************************************************************/
-
-#define LSCHL_GPIO_LED_ALARM 2
-#define LSCHL_GPIO_LED_INFO 3
-#define LSCHL_GPIO_LED_FUNC 17
-#define LSCHL_GPIO_LED_PWR 0
-
-static struct gpio_led lschl_led_pins[] = {
- {
- .name = "alarm:red",
- .gpio = LSCHL_GPIO_LED_ALARM,
- .active_low = 1,
- }, {
- .name = "info:amber",
- .gpio = LSCHL_GPIO_LED_INFO,
- .active_low = 1,
- }, {
- .name = "func:blue:top",
- .gpio = LSCHL_GPIO_LED_FUNC,
- .active_low = 1,
- }, {
- .name = "power:blue:bottom",
- .gpio = LSCHL_GPIO_LED_PWR,
- },
-};
-
-static struct gpio_led_platform_data lschl_led_data = {
- .leds = lschl_led_pins,
- .num_leds = ARRAY_SIZE(lschl_led_pins),
-};
-
-static struct platform_device lschl_leds = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &lschl_led_data,
- },
-};
-
-/*****************************************************************************
- * SATA
- ****************************************************************************/
-static struct mv_sata_platform_data lschl_sata_data = {
- .n_ports = 2,
-};
-
-/*****************************************************************************
- * LS-CHL specific power off method: reboot
- ****************************************************************************/
-/*
- * On the LS-CHL, the shutdown process is following:
- * - Userland monitors key events until the power switch goes to off position
- * - The board reboots
- * - U-boot starts and goes into an idle mode waiting for the user
- * to move the switch to ON position
- *
- */
-
-static void lschl_power_off(void)
-{
- orion5x_restart(REBOOT_HARD, NULL);
-}
-
-/*****************************************************************************
- * General Setup
- ****************************************************************************/
-#define LSCHL_GPIO_USB_POWER 9
-#define LSCHL_GPIO_AUTO_POWER 17
-#define LSCHL_GPIO_POWER 18
-
-/****************************************************************************
- * GPIO Attached Keys
- ****************************************************************************/
-#define LSCHL_GPIO_KEY_FUNC 15
-#define LSCHL_GPIO_KEY_POWER 8
-#define LSCHL_GPIO_KEY_AUTOPOWER 10
-#define LSCHL_SW_POWER 0x00
-#define LSCHL_SW_AUTOPOWER 0x01
-#define LSCHL_SW_FUNC 0x02
-
-static struct gpio_keys_button lschl_buttons[] = {
- {
- .type = EV_SW,
- .code = LSCHL_SW_POWER,
- .gpio = LSCHL_GPIO_KEY_POWER,
- .desc = "Power-on Switch",
- .active_low = 1,
- }, {
- .type = EV_SW,
- .code = LSCHL_SW_AUTOPOWER,
- .gpio = LSCHL_GPIO_KEY_AUTOPOWER,
- .desc = "Power-auto Switch",
- .active_low = 1,
- }, {
- .type = EV_SW,
- .code = LSCHL_SW_FUNC,
- .gpio = LSCHL_GPIO_KEY_FUNC,
- .desc = "Function Switch",
- .active_low = 1,
- },
-};
-
-static struct gpio_keys_platform_data lschl_button_data = {
- .buttons = lschl_buttons,
- .nbuttons = ARRAY_SIZE(lschl_buttons),
-};
-
-static struct platform_device lschl_button_device = {
- .name = "gpio-keys",
- .id = -1,
- .num_resources = 0,
- .dev = {
- .platform_data = &lschl_button_data,
- },
-};
-
-#define LSCHL_GPIO_HDD_POWER 1
-
-/****************************************************************************
- * GPIO Fan
- ****************************************************************************/
-
-#define LSCHL_GPIO_FAN_LOW 16
-#define LSCHL_GPIO_FAN_HIGH 14
-#define LSCHL_GPIO_FAN_LOCK 6
-
-static struct gpio_fan_alarm lschl_alarm = {
- .gpio = LSCHL_GPIO_FAN_LOCK,
-};
-
-static struct gpio_fan_speed lschl_speeds[] = {
- {
- .rpm = 0,
- .ctrl_val = 3,
- }, {
- .rpm = 1500,
- .ctrl_val = 2,
- }, {
- .rpm = 3250,
- .ctrl_val = 1,
- }, {
- .rpm = 5000,
- .ctrl_val = 0,
- },
-};
-
-static int lschl_gpio_list[] = {
- LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW,
-};
-
-static struct gpio_fan_platform_data lschl_fan_data = {
- .num_ctrl = ARRAY_SIZE(lschl_gpio_list),
- .ctrl = lschl_gpio_list,
- .alarm = &lschl_alarm,
- .num_speed = ARRAY_SIZE(lschl_speeds),
- .speed = lschl_speeds,
-};
-
-static struct platform_device lschl_fan_device = {
- .name = "gpio-fan",
- .id = -1,
- .num_resources = 0,
- .dev = {
- .platform_data = &lschl_fan_data,
- },
-};
-
-/****************************************************************************
- * GPIO Data
- ****************************************************************************/
-
-static unsigned int lschl_mpp_modes[] __initdata = {
- MPP0_GPIO, /* LED POWER */
- MPP1_GPIO, /* HDD POWER */
- MPP2_GPIO, /* LED ALARM */
- MPP3_GPIO, /* LED INFO */
- MPP4_UNUSED,
- MPP5_UNUSED,
- MPP6_GPIO, /* FAN LOCK */
- MPP7_GPIO, /* SW INIT */
- MPP8_GPIO, /* SW POWER */
- MPP9_GPIO, /* USB POWER */
- MPP10_GPIO, /* SW AUTO POWER */
- MPP11_UNUSED,
- MPP12_UNUSED,
- MPP13_UNUSED,
- MPP14_GPIO, /* FAN HIGH */
- MPP15_GPIO, /* SW FUNC */
- MPP16_GPIO, /* FAN LOW */
- MPP17_GPIO, /* LED FUNC */
- MPP18_UNUSED,
- MPP19_UNUSED,
- 0,
-};
-
-static void __init lschl_init(void)
-{
- /*
- * Setup basic Orion functions. Needs to be called early.
- */
- orion5x_init();
-
- orion5x_mpp_conf(lschl_mpp_modes);
-
- /*
- * Configure peripherals.
- */
- orion5x_ehci0_init();
- orion5x_ehci1_init();
- orion5x_eth_init(&lschl_eth_data);
- orion5x_i2c_init();
- orion5x_sata_init(&lschl_sata_data);
- orion5x_uart0_init();
- orion5x_xor_init();
-
- mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
- ORION_MBUS_DEVBUS_BOOT_ATTR,
- LSCHL_NOR_BOOT_BASE,
- LSCHL_NOR_BOOT_SIZE);
- platform_device_register(&lschl_nor_flash);
-
- platform_device_register(&lschl_leds);
-
- platform_device_register(&lschl_button_device);
-
- platform_device_register(&lschl_fan_device);
-
- i2c_register_board_info(0, &lschl_i2c_rtc, 1);
-
- /* usb power on */
- gpio_set_value(LSCHL_GPIO_USB_POWER, 1);
-
- /* register power-off method */
- pm_power_off = lschl_power_off;
-
- pr_info("%s: finished\n", __func__);
-}
-
-MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
- /* Maintainer: Ash Hughes <ashley.hughes at blueyonder.co.uk> */
- .atag_offset = 0x100,
- .nr_irqs = ORION5X_NR_IRQS,
- .init_machine = lschl_init,
- .map_io = orion5x_map_io,
- .init_early = orion5x_init_early,
- .init_irq = orion5x_init_irq,
- .init_time = orion5x_timer_init,
- .fixup = tag_fixup_mem32,
- .restart = orion5x_restart,
-MACHINE_END
-- 2.7.4
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