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Source at commit 1c406da created 12 years 7 months ago. By Xiangfu Liu, ben nanonote: forward patches to linux-3.0 | |
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1 | From 322d8e1ccf544f576d60622dc304f136cef64a3b Mon Sep 17 00:00:00 2001 |
2 | From: Lars-Peter Clausen <lars@metafoo.de> |
3 | Date: Sun, 5 Sep 2010 20:34:08 +0200 |
4 | Subject: [PATCH 04/29] MIPS: JZ4740: Add id800wt board |
5 | |
6 | --- |
7 | arch/mips/jz4740/Kconfig | 4 + |
8 | arch/mips/jz4740/Makefile | 1 + |
9 | arch/mips/jz4740/board-id800wt.c | 158 ++++++++++++++++++++++++++++++++++++++ |
10 | 3 files changed, 163 insertions(+), 0 deletions(-) |
11 | create mode 100644 arch/mips/jz4740/board-id800wt.c |
12 | |
13 | diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig |
14 | index 2f366d7..680a2bd 100644 |
15 | --- a/arch/mips/jz4740/Kconfig |
16 | +++ b/arch/mips/jz4740/Kconfig |
17 | @@ -14,6 +14,10 @@ config JZ4740_N526 |
18 | bool "Hanvon n526 eBook reader" |
19 | select SOC_JZ4740 |
20 | |
21 | +config JZ4740_ID800WT |
22 | + bool "Sungale id800wt picture frame" |
23 | + select SOC_JZ4740 |
24 | + |
25 | endchoice |
26 | |
27 | config HAVE_PWM |
28 | diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile |
29 | index e8f2904..72eb2ad 100644 |
30 | --- a/arch/mips/jz4740/Makefile |
31 | +++ b/arch/mips/jz4740/Makefile |
32 | @@ -14,6 +14,7 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o |
33 | obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o |
34 | obj-$(CONFIG_JZ4740_N516) += board-n516.o board-n516-display.o |
35 | obj-$(CONFIG_JZ4740_N526) += board-n526.o |
36 | +obj-$(CONFIG_JZ4740_ID800WT) += board-id800wt.o |
37 | |
38 | # PM support |
39 | |
40 | diff --git a/arch/mips/jz4740/board-id800wt.c b/arch/mips/jz4740/board-id800wt.c |
41 | new file mode 100644 |
42 | index 0000000..93fc996 |
43 | --- /dev/null |
44 | +++ b/arch/mips/jz4740/board-id800wt.c |
45 | @@ -0,0 +1,158 @@ |
46 | +/* |
47 | + * Copyright (C) 2010 Lars-Peter Clausen <lars@metafoo.de> |
48 | + * |
49 | + * This program is free software; you can redistribute it and/or modify |
50 | + * it under the terms of the GNU General Public License version 2 or later |
51 | + * as published by the Free Software Foundation. |
52 | + */ |
53 | + |
54 | +#include <linux/kernel.h> |
55 | +#include <linux/init.h> |
56 | +#include <linux/gpio.h> |
57 | + |
58 | +#include <asm/mach-jz4740/platform.h> |
59 | + |
60 | +#include <linux/input.h> |
61 | +#include <linux/power_supply.h> |
62 | +#include <linux/pwm_backlight.h> |
63 | + |
64 | +#include "clock.h" |
65 | + |
66 | +#include <asm/mach-jz4740/jz4740_fb.h> |
67 | +#include <asm/mach-jz4740/jz4740_nand.h> |
68 | + |
69 | +/* NAND */ |
70 | +static struct nand_ecclayout id800wt_ecclayout = { |
71 | + .oobfree = { |
72 | + { |
73 | + .offset = 2, |
74 | + .length = 4, |
75 | + }, |
76 | + { |
77 | + .offset = 42, |
78 | + .length = 22, |
79 | + }, |
80 | + } |
81 | +}; |
82 | + |
83 | +static struct mtd_partition id800wt_partitions[] = { |
84 | + { .name = "NAND BOOT partition", |
85 | + .offset = 0 * 0x100000, |
86 | + .size = 2 * 0x100000, |
87 | + }, |
88 | + { .name = "NAND KERNEL partition", |
89 | + .offset = 2 * 0x100000, |
90 | + .size = 4 * 0x100000, |
91 | + }, |
92 | + { .name = "NAND ROOTFS partition", |
93 | + .offset = 6 * 0x100000, |
94 | + .size = 498 * 0x100000, |
95 | + }, |
96 | +}; |
97 | + |
98 | +static struct jz_nand_platform_data id800wt_nand_pdata = { |
99 | + .ecc_layout = &id800wt_ecclayout, |
100 | + .partitions = id800wt_partitions, |
101 | + .num_partitions = ARRAY_SIZE(id800wt_partitions), |
102 | + .busy_gpio = JZ_GPIO_PORTC(30), |
103 | +}; |
104 | + |
105 | +/* Display */ |
106 | +static struct fb_videomode id800wt_video_modes[] = { |
107 | + { |
108 | + .name = "800x600", |
109 | + .xres = 800, |
110 | + .yres = 600, |
111 | + .refresh = 40, |
112 | + .left_margin = 0, |
113 | + .right_margin = 255, |
114 | + .upper_margin = 0, |
115 | + .lower_margin = 35, |
116 | + .hsync_len = 1, |
117 | + .vsync_len = 1, |
118 | + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
119 | + .vmode = FB_VMODE_NONINTERLACED, |
120 | + }, |
121 | +}; |
122 | + |
123 | +static struct jz4740_fb_platform_data id800wt_fb_pdata = { |
124 | + .width = 60, |
125 | + .height = 45, |
126 | + .num_modes = ARRAY_SIZE(id800wt_video_modes), |
127 | + .modes = id800wt_video_modes, |
128 | + .bpp = 16, |
129 | + .lcd_type = JZ_LCD_TYPE_SPECIAL_TFT_1, |
130 | + .pixclk_falling_edge = 1, |
131 | + .special_tft_config = { |
132 | + .spl = JZ4740_FB_SPECIAL_TFT_CONFIG(1051, 1053), |
133 | + .cls = JZ4740_FB_SPECIAL_TFT_CONFIG(631, 744), |
134 | + .ps = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 45), |
135 | + .rev = JZ4740_FB_SPECIAL_TFT_CONFIG(0, 0), |
136 | + }, |
137 | +}; |
138 | + |
139 | +/* Backlight */ |
140 | +static int id800wt_backlight_invert(struct device *dev, int brightness) |
141 | +{ |
142 | + return 255 - brightness; |
143 | +} |
144 | + |
145 | +static struct platform_pwm_backlight_data id800wt_backlight_data = { |
146 | + .pwm_id = 7, |
147 | + .max_brightness = 255, |
148 | + .dft_brightness = 255, |
149 | + .pwm_period_ns = 8000000, |
150 | + .notify = id800wt_backlight_invert, |
151 | +}; |
152 | + |
153 | +static struct platform_device id800wt_backlight_device = { |
154 | + .name = "pwm-backlight", |
155 | + .id = -1, |
156 | + .dev = { |
157 | + .platform_data = &id800wt_backlight_data, |
158 | + .parent = &jz4740_framebuffer_device.dev, |
159 | + }, |
160 | +}; |
161 | + |
162 | +static struct platform_device *jz_platform_devices[] __initdata = { |
163 | + &jz4740_usb_ohci_device, |
164 | + &jz4740_udc_device, |
165 | + &jz4740_nand_device, |
166 | + &jz4740_framebuffer_device, |
167 | + &jz4740_i2s_device, |
168 | + &jz4740_codec_device, |
169 | + &jz4740_pcm_device, |
170 | + &jz4740_rtc_device, |
171 | + &jz4740_adc_device, |
172 | + &id800wt_backlight_device, |
173 | +}; |
174 | + |
175 | +static int __init id800wt_init_platform_devices(void) |
176 | +{ |
177 | + jz4740_framebuffer_device.dev.platform_data = &id800wt_fb_pdata; |
178 | + jz4740_nand_device.dev.platform_data = &id800wt_nand_pdata; |
179 | + |
180 | + jz4740_serial_device_register(); |
181 | + |
182 | + jz_gpio_enable_pullup(JZ_GPIO_LCD_PS); |
183 | + jz_gpio_enable_pullup(JZ_GPIO_LCD_REV); |
184 | + |
185 | + return platform_add_devices(jz_platform_devices, |
186 | + ARRAY_SIZE(jz_platform_devices)); |
187 | +} |
188 | + |
189 | +struct jz4740_clock_board_data jz4740_clock_bdata = { |
190 | + .ext_rate = 12000000, |
191 | + .rtc_rate = 32768, |
192 | +}; |
193 | + |
194 | +static int __init id800wt_board_setup(void) |
195 | +{ |
196 | + printk("Sungale pictureframe id800wt setup\n"); |
197 | + |
198 | + if (id800wt_init_platform_devices()) |
199 | + panic("Failed to initalize platform devices\n"); |
200 | + |
201 | + return 0; |
202 | +} |
203 | +arch_initcall(id800wt_board_setup); |
204 | -- |
205 | 1.7.4.1 |
206 | |
207 |