openwrt-xburst/target/linux/xburst/patches-2.6.37/008-add-id800wt-board-support.patch

From ac67a626a852d6e720c2cc474b5e8824ad5b0875 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Sun, 5 Sep 2010 20:34:08 +0200
Subject: [PATCH 12/23] MIPS: JZ4740: Add id800wt board

---
 arch/mips/jz4740/Kconfig         |    4 +
 arch/mips/jz4740/Makefile        |    1 +
 arch/mips/jz4740/board-id800wt.c |  158 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 163 insertions(+), 0 deletions(-)
 create mode 100644 arch/mips/jz4740/board-id800wt.c

--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -14,6 +14,10 @@ config JZ4740_N526
 	bool "Hanvon n526 eBook reader"
 	select SOC_JZ4740
 
+config JZ4740_ID800WT
+	bool "Sungale id800wt picture frame"
+	select SOC_JZ4740
+
 endchoice
 
 config HAVE_PWM
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.
 obj-$(CONFIG_JZ4740_QI_LB60)	+= board-qi_lb60.o
 obj-$(CONFIG_JZ4740_N516)	+= board-n516.o board-n516-display.o
 obj-$(CONFIG_JZ4740_N526)	+= board-n526.o
+obj-$(CONFIG_JZ4740_ID800WT)	+= board-id800wt.o
 
 # PM support
 
--- /dev/null
+++ b/arch/mips/jz4740/board-id800wt.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2010 Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or later
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-jz4740/platform.h>
+
+#include <linux/input.h>
+#include <linux/power_supply.h>
+#include <linux/pwm_backlight.h>
+
+#include "clock.h"
+
+#include <asm/mach-jz4740/jz4740_fb.h>
+#include <asm/mach-jz4740/jz4740_nand.h>
+
+/* NAND */
+static struct nand_ecclayout id800wt_ecclayout = {
+	.oobfree = {
+		{
+			.offset = 2,
+			.length = 4,
+		},
+		{
+			.offset = 42,
+			.length = 22,
+		},
+	}
+};
+
+static struct mtd_partition id800wt_partitions[] = {
+	{ .name = "NAND BOOT partition",
+	  .offset = 0 * 0x100000,
+	  .size = 2 * 0x100000,
+	},
+	{ .name = "NAND KERNEL partition",
+	  .offset = 2 * 0x100000,
+	  .size = 4 * 0x100000,
+	},
+	{ .name = "NAND ROOTFS partition",
+	  .offset = 6 * 0x100000,
+	  .size = 498 * 0x100000,
+	},
+};
+
+static struct jz_nand_platform_data id800wt_nand_pdata = {
+	.ecc_layout = &id800wt_ecclayout,
+	.partitions = id800wt_partitions,
+	.num_partitions = ARRAY_SIZE(id800wt_partitions),
+	.busy_gpio = JZ_GPIO_PORTC(30),
+};
+
+/* Display */
+static struct fb_videomode id800wt_video_modes[] = {
+	{
+		.name = "800x600",
+		.xres = 800,
+		.yres = 600,
+		.refresh = 40,
+		.left_margin = 0,
+		.right_margin = 255,
+		.upper_margin = 0,
+		.lower_margin = 35,
+		.hsync_len = 1,
+		.vsync_len = 1,
+		.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+		.vmode = FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct jz4740_fb_platform_data id800wt_fb_pdata = {
+	.width		= 60,
+	.height		= 45,
+	.num_modes	= ARRAY_SIZE(id800wt_video_modes),
+	.modes		= id800wt_video_modes,
+	.bpp		= 16,
+	.lcd_type	= JZ_LCD_TYPE_SPECIAL_TFT_1,
+	.pixclk_falling_edge = 1,
+	.special_tft_config = {
+		.spl = JZ4740_FB_SPECIAL_TFT_CONFIG(1051, 1053),
+		.cls = JZ4740_FB_SPECIAL_TFT_CONFIG(631, 744),
+		.ps  = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 45),
+		.rev = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 0),
+	},
+};
+
+/* Backlight */
+static int id800wt_backlight_invert(struct device *dev, int brightness)
+{
+	return 255 - brightness;
+}
+
+static struct platform_pwm_backlight_data id800wt_backlight_data = {
+	.pwm_id = 7,
+	.max_brightness = 255,
+	.dft_brightness = 255,
+	.pwm_period_ns = 8000000,
+	.notify = id800wt_backlight_invert,
+};
+
+static struct platform_device id800wt_backlight_device = {
+	.name = "pwm-backlight",
+	.id = -1,
+	.dev = {
+		.platform_data = &id800wt_backlight_data,
+		.parent = &jz4740_framebuffer_device.dev,
+	},
+};
+
+static struct platform_device *jz_platform_devices[] __initdata = {
+	&jz4740_usb_ohci_device,
+	&jz4740_udc_device,
+	&jz4740_nand_device,
+	&jz4740_framebuffer_device,
+	&jz4740_i2s_device,
+	&jz4740_codec_device,
+	&jz4740_pcm_device,
+	&jz4740_rtc_device,
+	&jz4740_adc_device,
+	&id800wt_backlight_device,
+};
+
+static int __init id800wt_init_platform_devices(void)
+{
+	jz4740_framebuffer_device.dev.platform_data = &id800wt_fb_pdata;
+	jz4740_nand_device.dev.platform_data = &id800wt_nand_pdata;
+
+	jz4740_serial_device_register();
+
+	jz_gpio_enable_pullup(JZ_GPIO_LCD_PS);
+	jz_gpio_enable_pullup(JZ_GPIO_LCD_REV);
+
+	return platform_add_devices(jz_platform_devices,
+					ARRAY_SIZE(jz_platform_devices));
+}
+
+struct jz4740_clock_board_data jz4740_clock_bdata = {
+	.ext_rate = 12000000,
+	.rtc_rate = 32768,
+};
+
+static int __init id800wt_board_setup(void)
+{
+	printk("Sungale pictureframe id800wt setup\n");
+
+	if (id800wt_init_platform_devices())
+		panic("Failed to initalize platform devices\n");
+
+	return 0;
+}
+arch_initcall(id800wt_board_setup);