196 lines
4.9 KiB
Diff
196 lines
4.9 KiB
Diff
From 50d9e1cc2f4b30ec6073271822c70ad22a308fda Mon Sep 17 00:00:00 2001
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From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Sun, 5 Sep 2010 20:34:08 +0200
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Subject: [PATCH] MIPS: JZ4740: Add id800wt board
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---
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arch/mips/jz4740/Kconfig | 3 +
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arch/mips/jz4740/Makefile | 1 +
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arch/mips/jz4740/board-id800wt.c | 158 ++++++++++++++++++++++++++++++++++++++
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3 files changed, 162 insertions(+), 0 deletions(-)
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create mode 100644 arch/mips/jz4740/board-id800wt.c
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--- a/arch/mips/jz4740/Kconfig
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+++ b/arch/mips/jz4740/Kconfig
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@@ -12,6 +12,9 @@ config JZ4740_N516
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config JZ4740_N526
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bool "Hanvon n526 eBook reader"
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+config JZ4740_ID800WT
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+ bool "Sungale id800wt picture frame"
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+
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endchoice
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config HAVE_PWM
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--- a/arch/mips/jz4740/Makefile
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+++ b/arch/mips/jz4740/Makefile
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@@ -14,6 +14,7 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.
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obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o
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obj-$(CONFIG_JZ4740_N516) += board-n516.o board-n516-display.o
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obj-$(CONFIG_JZ4740_N526) += board-n526.o
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+obj-$(CONFIG_JZ4740_ID800WT) += board-id800wt.o
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# PM support
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--- /dev/null
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+++ b/arch/mips/jz4740/board-id800wt.c
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@@ -0,0 +1,158 @@
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+/*
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+ * Copyright (C) 2010 Lars-Peter Clausen <lars@metafoo.de>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 or later
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+ * as published by the Free Software Foundation.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/gpio.h>
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+
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+#include <asm/mach-jz4740/platform.h>
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+
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+#include <linux/input.h>
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+#include <linux/power_supply.h>
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+#include <linux/pwm_backlight.h>
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+
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+#include "clock.h"
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+
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+#include <asm/mach-jz4740/jz4740_fb.h>
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+#include <asm/mach-jz4740/jz4740_nand.h>
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+
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+/* NAND */
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+static struct nand_ecclayout id800wt_ecclayout = {
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+ .oobfree = {
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+ {
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+ .offset = 2,
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+ .length = 4,
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+ },
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+ {
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+ .offset = 42,
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+ .length = 22,
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+ },
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+ }
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+};
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+
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+static struct mtd_partition id800wt_partitions[] = {
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+ { .name = "NAND BOOT partition",
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+ .offset = 0 * 0x100000,
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+ .size = 2 * 0x100000,
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+ },
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+ { .name = "NAND KERNEL partition",
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+ .offset = 2 * 0x100000,
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+ .size = 4 * 0x100000,
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+ },
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+ { .name = "NAND ROOTFS partition",
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+ .offset = 6 * 0x100000,
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+ .size = 498 * 0x100000,
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+ },
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+};
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+
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+static struct jz_nand_platform_data id800wt_nand_pdata = {
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+ .ecc_layout = &id800wt_ecclayout,
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+ .partitions = id800wt_partitions,
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+ .num_partitions = ARRAY_SIZE(id800wt_partitions),
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+ .busy_gpio = JZ_GPIO_PORTC(30),
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+};
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+
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+/* Display */
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+static struct fb_videomode id800wt_video_modes[] = {
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+ {
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+ .name = "800x600",
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+ .xres = 800,
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+ .yres = 600,
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+ .refresh = 40,
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+ .left_margin = 0,
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+ .right_margin = 255,
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+ .upper_margin = 0,
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+ .lower_margin = 35,
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+ .hsync_len = 1,
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+ .vsync_len = 1,
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+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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+ .vmode = FB_VMODE_NONINTERLACED,
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+ },
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+};
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+
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+static struct jz4740_fb_platform_data id800wt_fb_pdata = {
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+ .width = 60,
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+ .height = 45,
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+ .num_modes = ARRAY_SIZE(id800wt_video_modes),
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+ .modes = id800wt_video_modes,
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+ .bpp = 16,
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+ .lcd_type = JZ_LCD_TYPE_SPECIAL_TFT_1,
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+ .pixclk_falling_edge = 1,
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+ .special_tft_config = {
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+ .spl = JZ4740_FB_SPECIAL_TFT_CONFIG(1051, 1053),
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+ .cls = JZ4740_FB_SPECIAL_TFT_CONFIG(631, 744),
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+ .ps = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 45),
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+ .rev = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 0),
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+ },
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+};
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+
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+/* Backlight */
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+static int id800wt_backlight_invert(struct device *dev, int brightness)
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+{
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+ return 255 - brightness;
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+}
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+
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+static struct platform_pwm_backlight_data id800wt_backlight_data = {
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+ .pwm_id = 7,
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+ .max_brightness = 255,
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+ .dft_brightness = 255,
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+ .pwm_period_ns = 8000000,
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+ .notify = id800wt_backlight_invert,
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+};
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+
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+static struct platform_device id800wt_backlight_device = {
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+ .name = "pwm-backlight",
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+ .id = -1,
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+ .dev = {
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+ .platform_data = &id800wt_backlight_data,
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+ .parent = &jz4740_framebuffer_device.dev,
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+ },
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+};
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+
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+static struct platform_device *jz_platform_devices[] __initdata = {
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+ &jz4740_usb_ohci_device,
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+ &jz4740_udc_device,
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+ &jz4740_nand_device,
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+ &jz4740_framebuffer_device,
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+ &jz4740_i2s_device,
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+ &jz4740_codec_device,
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+ &jz4740_pcm_device,
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+ &jz4740_rtc_device,
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+ &jz4740_adc_device,
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+ &id800wt_backlight_device,
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+};
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+
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+static int __init id800wt_init_platform_devices(void)
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+{
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+ jz4740_framebuffer_device.dev.platform_data = &id800wt_fb_pdata;
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+ jz4740_nand_device.dev.platform_data = &id800wt_nand_pdata;
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+
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+ jz4740_serial_device_register();
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+
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+ jz_gpio_enable_pullup(JZ_GPIO_LCD_PS);
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+ jz_gpio_enable_pullup(JZ_GPIO_LCD_REV);
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+
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+ return platform_add_devices(jz_platform_devices,
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+ ARRAY_SIZE(jz_platform_devices));
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+}
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+
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+struct jz4740_clock_board_data jz4740_clock_bdata = {
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+ .ext_rate = 12000000,
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+ .rtc_rate = 32768,
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+};
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+
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+static int __init id800wt_board_setup(void)
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+{
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+ printk("Sungale pictureframe id800wt setup\n");
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+
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+ if (id800wt_init_platform_devices())
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+ panic("Failed to initalize platform devices\n");
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+
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+ return 0;
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+}
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+arch_initcall(id800wt_board_setup);
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