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linux-2.6.35-OMAP-RX51-Add-LCD-Panel-support.patch
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File linux-2.6.35-OMAP-RX51-Add-LCD-Panel-support.patch of Package kernel
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
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