1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
From 2377c3d6cf49c057bd2237fbabf429a9b243c663 Mon Sep 17 00:00:00 2001
From: Roger Quadros <roger.quadros@nokia.com>
Date: Wed, 10 Mar 2010 15:30:05 +0200
Subject: [PATCH 4/10] OMAP: RX51: Add LCD Panel support
From: Roger Quadros <roger.quadros@nokia.com>
Patch-mainline: 2.6.35?
Git-repo: http://www.gitorious.org/linux-omap-dss2/linux/commit/c296146d9fe00624cbb34da56c6b2927ef9bbbad
Adds basic support for LCD Panel on Nokia N900
Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
---
arch/arm/mach-omap2/Makefile | 1 +
arch/arm/mach-omap2/board-rx51-peripherals.c | 13 +++
arch/arm/mach-omap2/board-rx51-video.c | 107 ++++++++++++++++++++++++++
arch/arm/mach-omap2/board-rx51.c | 2 +
4 files changed, 123 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-rx51-video.c
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index b32678b..05e7c9c 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -89,6 +89,7 @@ obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o
obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
board-rx51-sdram.o \
board-rx51-peripherals.o \
+ board-rx51-video.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
board-zoom-peripherals.o \
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index acafdbc..7bae364 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -45,6 +45,7 @@
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
+ RX51_SPI_MIPID, /* LCD panel */
};
static struct wl12xx_platform_data wl1251_pdata;
@@ -54,6 +55,11 @@ static struct omap2_mcspi_device_config wl1251_mcspi_config = {
.single_channel = 1,
};
+static struct omap2_mcspi_device_config mipid_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+};
+
static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
[RX51_SPI_WL1251] = {
.modalias = "wl1251",
@@ -64,6 +70,13 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
.controller_data = &wl1251_mcspi_config,
.platform_data = &wl1251_pdata,
},
+ [RX51_SPI_MIPID] = {
+ .modalias = "acx565akm",
+ .bus_num = 1,
+ .chip_select = 2,
+ .max_speed_hz = 6000000,
+ .controller_data = &mipid_mcspi_config,
+ },
};
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
new file mode 100644
index 0000000..e4a9d4c
--- /dev/null
+++ b/arch/arm/mach-omap2/board-rx51-video.c
@@ -0,0 +1,107 @@
+/*
+ * linux/arch/arm/mach-omap2/board-rx51-video.c
+ *
+ * Copyright (C) 2010 Nokia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/mm.h>
+
+#include <asm/mach-types.h>
+#include <plat/mux.h>
+#include <plat/display.h>
+#include <plat/vram.h>
+#include <plat/mcspi.h>
+
+#include "mux.h"
+
+#define RX51_LCD_RESET_GPIO 90
+
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+
+static int rx51_lcd_enable(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(dssdev->reset_gpio, 1);
+ return 0;
+}
+
+static void rx51_lcd_disable(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(dssdev->reset_gpio, 0);
+}
+
+static struct omap_dss_device rx51_lcd_device = {
+ .name = "lcd",
+ .driver_name = "panel-acx565akm",
+ .type = OMAP_DISPLAY_TYPE_SDI,
+ .phy.sdi.datapairs = 2,
+ .reset_gpio = RX51_LCD_RESET_GPIO,
+ .platform_enable = rx51_lcd_enable,
+ .platform_disable = rx51_lcd_disable,
+};
+
+static struct omap_dss_device *rx51_dss_devices[] = {
+ &rx51_lcd_device,
+};
+
+static struct omap_dss_board_info rx51_dss_board_info = {
+ .num_devices = ARRAY_SIZE(rx51_dss_devices),
+ .devices = rx51_dss_devices,
+ .default_device = &rx51_lcd_device,
+};
+
+struct platform_device rx51_display_device = {
+ .name = "omapdss",
+ .id = -1,
+ .dev = {
+ .platform_data = &rx51_dss_board_info,
+ },
+};
+
+static struct platform_device *rx51_video_devices[] __initdata = {
+ &rx51_display_device,
+};
+
+static int __init rx51_video_init(void)
+{
+ if (!machine_is_nokia_rx51())
+ return 0;
+
+ if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
+ pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
+ return 0;
+ }
+
+ if (gpio_request(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
+ pr_err("%s failed to get LCD Reset GPIO\n", __func__);
+ return 0;
+ }
+
+ gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
+
+ platform_add_devices(rx51_video_devices,
+ ARRAY_SIZE(rx51_video_devices));
+ return 0;
+}
+
+subsys_initcall(rx51_video_init);
+
+void __init rx51_video_mem_init(void)
+{
+ /*
+ * GFX 864x480x32bpp
+ * VID1/2 1280x720x32bpp double buffered
+ */
+ omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +
+ 2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);
+}
+
+#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 67bb347..f1f81cf 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -32,6 +32,7 @@
#include "mux.h"
struct omap_sdrc_params *rx51_get_sdram_timings(void);
+extern void rx51_video_mem_init(void);
static struct omap_lcd_config rx51_lcd_config = {
.ctrl_name = "internal",
@@ -93,6 +94,7 @@ static void __init rx51_init(void)
static void __init rx51_map_io(void)
{
omap2_set_globals_343x();
+ rx51_video_mem_init();
omap2_map_common_io();
}
--
1.6.0.4
|
