diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-ag5evm.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-ag5evm.c | 198 |
1 files changed, 106 insertions, 92 deletions
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index 25eb88a923e6..032d10817e79 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -213,95 +213,6 @@ static struct platform_device irda_device = { .num_resources = ARRAY_SIZE(irda_resources), }; -static unsigned char lcd_backlight_seq[3][2] = { - { 0x04, 0x07 }, - { 0x23, 0x80 }, - { 0x03, 0x01 }, -}; - -static void lcd_backlight_on(void) -{ - struct i2c_adapter *a; - struct i2c_msg msg; - int k; - - a = i2c_get_adapter(1); - for (k = 0; a && k < 3; k++) { - msg.addr = 0x6d; - msg.buf = &lcd_backlight_seq[k][0]; - msg.len = 2; - msg.flags = 0; - if (i2c_transfer(a, &msg, 1) != 1) - break; - } -} - -static void lcd_backlight_reset(void) -{ - gpio_set_value(GPIO_PORT235, 0); - mdelay(24); - gpio_set_value(GPIO_PORT235, 1); -} - -/* LCDC0 */ -static const struct fb_videomode lcdc0_modes[] = { - { - .name = "R63302(QHD)", - .xres = 544, - .yres = 961, - .left_margin = 72, - .right_margin = 600, - .hsync_len = 16, - .upper_margin = 8, - .lower_margin = 8, - .vsync_len = 2, - .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, - }, -}; - -static struct sh_mobile_lcdc_info lcdc0_info = { - .clock_source = LCDC_CLK_PERIPHERAL, - .ch[0] = { - .chan = LCDC_CHAN_MAINLCD, - .interface_type = RGB24, - .clock_divider = 1, - .flags = LCDC_FLAGS_DWPOL, - .fourcc = V4L2_PIX_FMT_RGB565, - .lcd_modes = lcdc0_modes, - .num_modes = ARRAY_SIZE(lcdc0_modes), - .panel_cfg = { - .width = 44, - .height = 79, - .display_on = lcd_backlight_on, - .display_off = lcd_backlight_reset, - }, - } -}; - -static struct resource lcdc0_resources[] = { - [0] = { - .name = "LCDC0", - .start = 0xfe940000, /* P4-only space */ - .end = 0xfe943fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = intcs_evt2irq(0x580), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device lcdc0_device = { - .name = "sh_mobile_lcdc_fb", - .num_resources = ARRAY_SIZE(lcdc0_resources), - .resource = lcdc0_resources, - .id = 0, - .dev = { - .platform_data = &lcdc0_info, - .coherent_dma_mask = ~0, - }, -}; - /* MIPI-DSI */ static struct resource mipidsi0_resources[] = { [0] = { @@ -358,7 +269,7 @@ sh_mipi_set_dot_clock_pck_err: static struct sh_mipi_dsi_info mipidsi0_info = { .data_format = MIPI_RGB888, - .lcd_chan = &lcdc0_info.ch[0], + .channel = LCDC_CHAN_MAINLCD, .lane = 2, .vsynw_offset = 20, .clksrc = 1, @@ -378,6 +289,109 @@ static struct platform_device mipidsi0_device = { }, }; +static unsigned char lcd_backlight_seq[3][2] = { + { 0x04, 0x07 }, + { 0x23, 0x80 }, + { 0x03, 0x01 }, +}; + +static int lcd_backlight_set_brightness(int brightness) +{ + struct i2c_adapter *adap; + struct i2c_msg msg; + unsigned int i; + int ret; + + if (brightness == 0) { + /* Reset the chip */ + gpio_set_value(GPIO_PORT235, 0); + mdelay(24); + gpio_set_value(GPIO_PORT235, 1); + return 0; + } + + adap = i2c_get_adapter(1); + if (adap == NULL) + return -ENODEV; + + for (i = 0; i < ARRAY_SIZE(lcd_backlight_seq); i++) { + msg.addr = 0x6d; + msg.buf = &lcd_backlight_seq[i][0]; + msg.len = 2; + msg.flags = 0; + + ret = i2c_transfer(adap, &msg, 1); + if (ret < 0) + break; + } + + i2c_put_adapter(adap); + return ret < 0 ? ret : 0; +} + +/* LCDC0 */ +static const struct fb_videomode lcdc0_modes[] = { + { + .name = "R63302(QHD)", + .xres = 544, + .yres = 961, + .left_margin = 72, + .right_margin = 600, + .hsync_len = 16, + .upper_margin = 8, + .lower_margin = 8, + .vsync_len = 2, + .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, + }, +}; + +static struct sh_mobile_lcdc_info lcdc0_info = { + .clock_source = LCDC_CLK_PERIPHERAL, + .ch[0] = { + .chan = LCDC_CHAN_MAINLCD, + .interface_type = RGB24, + .clock_divider = 1, + .flags = LCDC_FLAGS_DWPOL, + .fourcc = V4L2_PIX_FMT_RGB565, + .lcd_modes = lcdc0_modes, + .num_modes = ARRAY_SIZE(lcdc0_modes), + .panel_cfg = { + .width = 44, + .height = 79, + }, + .bl_info = { + .name = "sh_mobile_lcdc_bl", + .max_brightness = 1, + .set_brightness = lcd_backlight_set_brightness, + }, + .tx_dev = &mipidsi0_device, + } +}; + +static struct resource lcdc0_resources[] = { + [0] = { + .name = "LCDC0", + .start = 0xfe940000, /* P4-only space */ + .end = 0xfe943fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x580), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device lcdc0_device = { + .name = "sh_mobile_lcdc_fb", + .num_resources = ARRAY_SIZE(lcdc0_resources), + .resource = lcdc0_resources, + .id = 0, + .dev = { + .platform_data = &lcdc0_info, + .coherent_dma_mask = ~0, + }, +}; + /* Fixed 2.8V regulators to be used by SDHI0 */ static struct regulator_consumer_supply fixed2v8_power_consumers[] = { @@ -531,8 +545,8 @@ static struct platform_device *ag5evm_devices[] __initdata = { &fsi_device, &mmc_device, &irda_device, - &lcdc0_device, &mipidsi0_device, + &lcdc0_device, &sdhi0_device, &sdhi1_device, }; @@ -621,7 +635,7 @@ static void __init ag5evm_init(void) /* LCD backlight controller */ gpio_request(GPIO_PORT235, NULL); /* RESET */ gpio_direction_output(GPIO_PORT235, 0); - lcd_backlight_reset(); + lcd_backlight_set_brightness(0); /* enable SDHI0 on CN15 [SD I/F] */ gpio_request(GPIO_FN_SDHIWP0, NULL); |