diff options
Diffstat (limited to 'target/linux/omap24xx/patches-3.3/310-n810-lcd.patch')
| -rw-r--r-- | target/linux/omap24xx/patches-3.3/310-n810-lcd.patch | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.3/310-n810-lcd.patch b/target/linux/omap24xx/patches-3.3/310-n810-lcd.patch new file mode 100644 index 0000000000..2ee79f2de5 --- /dev/null +++ b/target/linux/omap24xx/patches-3.3/310-n810-lcd.patch @@ -0,0 +1,368 @@ +--- a/arch/arm/mach-omap2/board-n8x0.c ++++ b/arch/arm/mach-omap2/board-n8x0.c +@@ -24,6 +24,7 @@ + #include <linux/spi/spi.h> + #include <linux/usb/musb.h> + #include <sound/tlv320aic3x.h> ++#include <linux/spi/tsc2005.h> + + #include <asm/mach/arch.h> + #include <asm/mach-types.h> +@@ -43,6 +44,66 @@ static int slot1_cover_open; + static int slot2_cover_open; + static struct device *mmc_device; + ++#define RX51_TSC2005_RESET_GPIO 94 ++#define RX51_TSC2005_IRQ_GPIO 106 ++ ++#ifdef CONFIG_TOUCHSCREEN_TSC2005 ++static struct tsc2005_platform_data tsc2005_config; ++static void rx51_tsc2005_set_reset(bool enable) ++{ ++ gpio_set_value(RX51_TSC2005_RESET_GPIO, enable); ++} ++ ++static struct omap2_mcspi_device_config tsc2005_mcspi_config = { ++ .turbo_mode = 0, ++ .single_channel = 1, ++}; ++#endif ++ ++static void __init tsc2005_set_config(void) ++{ ++ const struct omap_lcd_config *conf; ++ ++ conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); ++ if (conf != NULL) { ++#ifdef CONFIG_TOUCHSCREEN_TSC2005 ++ if (strcmp(conf->panel_name, "lph8923") == 0) { ++ tsc2005_config.ts_x_plate_ohm = 180; ++ tsc2005_config.ts_pressure_max = 2048; ++ tsc2005_config.ts_pressure_fudge = 2; ++ tsc2005_config.ts_x_max = 4096; ++ tsc2005_config.ts_x_fudge = 4; ++ tsc2005_config.ts_y_max = 4096; ++ tsc2005_config.ts_y_fudge = 7; ++ tsc2005_config.set_reset = rx51_tsc2005_set_reset; ++ } else if (strcmp(conf->panel_name, "ls041y3") == 0) { ++ tsc2005_config.ts_x_plate_ohm = 280; ++ tsc2005_config.ts_pressure_max = 2048; ++ tsc2005_config.ts_pressure_fudge = 2; ++ tsc2005_config.ts_x_max = 4096; ++ tsc2005_config.ts_x_fudge = 4; ++ tsc2005_config.ts_y_max = 4096; ++ tsc2005_config.ts_y_fudge = 7; ++ tsc2005_config.set_reset = rx51_tsc2005_set_reset; ++ } else { ++ printk(KERN_ERR "Unknown panel type, set default " ++ "touchscreen configuration\n"); ++ tsc2005_config.ts_x_plate_ohm = 200; ++ } ++#endif ++ } ++} ++ ++static struct omap2_mcspi_device_config mipid_mcspi_config = { ++ .turbo_mode = 0, ++ .single_channel = 1, ++}; ++ ++extern struct mipid_platform_data n8x0_mipid_platform_data; ++ ++extern void n8x0_mipid_init(void); ++extern void n8x0_blizzard_init(void); ++ + #define TUSB6010_ASYNC_CS 1 + #define TUSB6010_SYNC_CS 4 + #define TUSB6010_GPIO_INT 58 +@@ -145,12 +206,29 @@ static struct omap2_mcspi_device_config + + static struct spi_board_info n800_spi_board_info[] __initdata = { + { ++ .modalias = "lcd_mipid", ++ .bus_num = 1, ++ .chip_select = 1, ++ .max_speed_hz = 4000000, ++ .controller_data= &mipid_mcspi_config, ++ .platform_data = &n8x0_mipid_platform_data, ++ }, ++ { + .modalias = "p54spi", + .bus_num = 2, + .chip_select = 0, + .max_speed_hz = 48000000, + .controller_data = &p54spi_mcspi_config, + }, ++ { ++ .modalias = "tsc2005", ++ .bus_num = 1, ++ .chip_select = 0, ++ .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO), ++ .max_speed_hz = 6000000, ++ .controller_data = &tsc2005_mcspi_config, ++ .platform_data = &tsc2005_config, ++ }, + }; + + #if defined(CONFIG_MTD_ONENAND_OMAP2) || \ +@@ -781,6 +859,7 @@ static void __init n8x0_init_machine(voi + n8x0_cbus_init(); + + /* FIXME: add n810 spi devices */ ++ tsc2005_set_config(); + spi_register_board_info(n800_spi_board_info, + ARRAY_SIZE(n800_spi_board_info)); + omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1, +@@ -790,6 +869,8 @@ static void __init n8x0_init_machine(voi + i2c_register_board_info(2, n810_i2c_board_info_2, + ARRAY_SIZE(n810_i2c_board_info_2)); + board_serial_init(); ++ n8x0_mipid_init(); ++ n8x0_blizzard_init(); + omap_sdrc_init(NULL, NULL); + gpmc_onenand_init(board_onenand_data); + n8x0_mmc_init(); +--- /dev/null ++++ b/arch/arm/mach-omap2/board-n8x0-lcd.c +@@ -0,0 +1,231 @@ ++/* ++ * linux/arch/arm/mach-omap2/board-n8x0.c ++ * ++ * Copyright (C) 2005-2009 Nokia Corporation ++ * Author: Juha Yrjola <juha.yrjola@nokia.com> ++ * ++ * Modified from mach-omap2/board-generic.c ++ * ++ * 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/clk.h> ++#include <linux/delay.h> ++#include <linux/gpio.h> ++#include <linux/omapfb.h> ++ ++#include <plat/lcd_mipid.h> ++#include <plat/blizzard.h> ++ ++#include "../../../drivers/cbus/tahvo.h" ++ ++ ++struct tahvo_pwm_device { ++ struct device *dev; ++ int tahvo_7bit_backlight; ++}; ++ ++static struct tahvo_pwm_device *tahvo_pwm; ++ ++static unsigned int tahvo_pwm_get_backlight_level(struct tahvo_pwm_device *pd) ++{ ++ unsigned int mask; ++ ++ if (pd->tahvo_7bit_backlight) ++ mask = 0x7f; ++ else ++ mask = 0x0f; ++ return tahvo_read_reg(pd->dev, TAHVO_REG_LEDPWMR) & mask; ++} ++ ++static unsigned int tahvo_pwm_get_max_backlight_level(struct tahvo_pwm_device *pd) ++{ ++ if (pd->tahvo_7bit_backlight) ++ return 0x7f; ++ return 0x0f; ++} ++ ++static void tahvo_pwm_set_backlight_level(struct tahvo_pwm_device *pd, unsigned int level) ++{ ++ unsigned int max_level; ++ ++ max_level = tahvo_pwm_get_max_backlight_level(pd); ++ if (level > max_level) ++ level = max_level; ++ tahvo_write_reg(pd->dev, TAHVO_REG_LEDPWMR, level); ++} ++ ++static int __init n8x0_tahvo_pwm_probe(struct platform_device *pdev) ++{ ++ struct tahvo_pwm_device *pd; ++ unsigned int rev, id; ++ ++ pd = kzalloc(sizeof(*pd), GFP_KERNEL); ++ if (WARN_ON(!pd)) ++ return -ENOMEM; ++ pd->dev = &pdev->dev; ++ ++ rev = tahvo_read_reg(pd->dev, TAHVO_REG_ASICR); ++ id = (rev >> 8) & 0xff; ++ if (id == 0x03) { ++ if ((rev & 0xff) >= 0x50) ++ pd->tahvo_7bit_backlight = 1; ++ } else if (id == 0x0b) ++ pd->tahvo_7bit_backlight = 1; ++ ++ dev_set_drvdata(pd->dev, pd); ++ tahvo_pwm = pd; ++ ++ return 0; ++} ++ ++static struct platform_driver n8x0_tahvo_pwm_driver = { ++ .driver = { ++ .name = "tahvo-pwm", ++ }, ++}; ++ ++static int __init n8x0_tahvo_pwm_init(void) ++{ ++ return platform_driver_probe(&n8x0_tahvo_pwm_driver, n8x0_tahvo_pwm_probe); ++} ++fs_initcall(n8x0_tahvo_pwm_init); ++ ++static int n8x0_get_backlight_level(struct mipid_platform_data *pdata) ++{ ++ return tahvo_pwm_get_backlight_level(tahvo_pwm); ++} ++ ++static int n8x0_get_max_backlight_level(struct mipid_platform_data *pdata) ++{ ++ return tahvo_pwm_get_max_backlight_level(tahvo_pwm); ++} ++ ++static void n8x0_set_backlight_level(struct mipid_platform_data *pdata, int level) ++{ ++ tahvo_pwm_set_backlight_level(tahvo_pwm, level); ++} ++ ++#define N8X0_BLIZZARD_POWERDOWN_GPIO 15 ++ ++// MIPID LCD Panel ++ ++static void mipid_shutdown(struct mipid_platform_data *pdata) ++{ ++ if (pdata->nreset_gpio != -1) { ++ pr_info("shutdown LCD\n"); ++ gpio_set_value(pdata->nreset_gpio, 0); ++ msleep(120); ++ } ++} ++ ++struct mipid_platform_data n8x0_mipid_platform_data = { ++ .shutdown = mipid_shutdown, ++ .get_bklight_level = n8x0_get_backlight_level, ++ .set_bklight_level = n8x0_set_backlight_level, ++ .get_bklight_max = n8x0_get_max_backlight_level, ++}; ++ ++void __init n8x0_mipid_init(void) ++{ ++ const struct omap_lcd_config *conf; ++ int err; ++ ++ conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); ++ if (conf != NULL) { ++ n8x0_mipid_platform_data.nreset_gpio = conf->nreset_gpio; ++ n8x0_mipid_platform_data.data_lines = conf->data_lines; ++ if (conf->nreset_gpio != -1) { ++ err = gpio_request(conf->nreset_gpio, "MIPID nreset"); ++ if (err) { ++ printk(KERN_ERR "N8x0 MIPID failed to request nreset GPIO %d\n", ++ conf->nreset_gpio); ++ } else { ++ err = gpio_direction_output(conf->nreset_gpio, 1); ++ if (err) { ++ printk(KERN_ERR "N8x0 MIPID failed to set nreset GPIO %d\n", ++ conf->nreset_gpio); ++ } ++ } ++ } ++ printk(KERN_INFO "N8x0 MIPID config loaded"); ++ } ++ else ++ printk(KERN_INFO "N8x0 MIPID config not provided"); ++} ++ ++ ++// Epson Blizzard LCD Controller ++ ++static struct { ++ struct clk *sys_ck; ++} blizzard; ++ ++static int blizzard_get_clocks(void) ++{ ++ blizzard.sys_ck = clk_get(0, "osc_ck"); ++ if (IS_ERR(blizzard.sys_ck)) { ++ printk(KERN_ERR "can't get Blizzard clock\n"); ++ return PTR_ERR(blizzard.sys_ck); ++ } ++ return 0; ++} ++ ++static unsigned long blizzard_get_clock_rate(struct device *dev) ++{ ++ return clk_get_rate(blizzard.sys_ck); ++} ++ ++static void blizzard_enable_clocks(int enable) ++{ ++ if (enable) ++ clk_enable(blizzard.sys_ck); ++ else ++ clk_disable(blizzard.sys_ck); ++} ++ ++static void blizzard_power_up(struct device *dev) ++{ ++ /* Vcore to 1.475V */ ++ tahvo_set_clear_reg_bits(tahvo_pwm->dev, 0x07, 0, 0xf); ++ msleep(10); ++ ++ blizzard_enable_clocks(1); ++ gpio_set_value(N8X0_BLIZZARD_POWERDOWN_GPIO, 1); ++} ++ ++static void blizzard_power_down(struct device *dev) ++{ ++ gpio_set_value(N8X0_BLIZZARD_POWERDOWN_GPIO, 0); ++ blizzard_enable_clocks(0); ++ ++ /* Vcore to 1.005V */ ++ tahvo_set_clear_reg_bits(tahvo_pwm->dev, 0x07, 0xf, 0); ++} ++ ++static struct blizzard_platform_data n8x0_blizzard_data = { ++ .power_up = blizzard_power_up, ++ .power_down = blizzard_power_down, ++ .get_clock_rate = blizzard_get_clock_rate, ++ .te_connected = 1, ++}; ++ ++void __init n8x0_blizzard_init(void) ++{ ++ int r; ++ ++ r = gpio_request(N8X0_BLIZZARD_POWERDOWN_GPIO, "Blizzard pd"); ++ if (r < 0) ++ { ++ printk(KERN_ERR "Can't get N8x0 Blizzard powerdown GPIO %d\n", N8X0_BLIZZARD_POWERDOWN_GPIO); ++ return; ++ } ++ gpio_direction_output(N8X0_BLIZZARD_POWERDOWN_GPIO, 1); ++ ++ blizzard_get_clocks(); ++ omapfb_set_ctrl_platform_data(&n8x0_blizzard_data); ++ ++ printk(KERN_INFO "N8x0 Blizzard initialized"); ++} +--- a/arch/arm/mach-omap2/Makefile ++++ b/arch/arm/mach-omap2/Makefile +@@ -205,6 +205,7 @@ obj-$(CONFIG_MACH_OMAP3EVM) += board-om + obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o + obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o + obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o ++obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0-lcd.o + obj-$(CONFIG_MACH_NOKIA_RM680) += board-rm680.o \ + sdram-nokia.o + obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \ |