diff options
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index f48db233719..145341dbebf 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -16,12 +16,15 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#include <linux/delay.h> #include <linux/gpio.h> #include <linux/io.h> #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/smsc911x.h> #include <linux/usb/r8a66597.h> +#include <linux/videodev2.h> #include <mach/irqs.h> #include <mach/sh73a0.h> #include <mach/common.h> @@ -29,6 +32,7 @@ #include <asm/hardware/gic.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> +#include <video/sh_mobile_lcdc.h> /* SMSC 9221 */ static struct resource smsc9221_resources[] = { @@ -88,11 +92,119 @@ static struct platform_device usb_host_device = { .resource = usb_resources, }; +/* LCDC */ +static struct fb_videomode kzm_lcdc_mode = { + .name = "WVGA Panel", + .xres = 800, + .yres = 480, + .left_margin = 220, + .right_margin = 110, + .hsync_len = 70, + .upper_margin = 20, + .lower_margin = 5, + .vsync_len = 5, + .sync = 0, +}; + +static struct sh_mobile_lcdc_info lcdc_info = { + .clock_source = LCDC_CLK_BUS, + .ch[0] = { + .chan = LCDC_CHAN_MAINLCD, + .fourcc = V4L2_PIX_FMT_RGB565, + .interface_type = RGB24, + .lcd_modes = &kzm_lcdc_mode, + .num_modes = 1, + .clock_divider = 5, + .flags = 0, + .panel_cfg = { + .width = 152, + .height = 91, + }, + } +}; + +static struct resource lcdc_resources[] = { + [0] = { + .name = "LCDC", + .start = 0xfe940000, + .end = 0xfe943fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x580), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device lcdc_device = { + .name = "sh_mobile_lcdc_fb", + .num_resources = ARRAY_SIZE(lcdc_resources), + .resource = lcdc_resources, + .dev = { + .platform_data = &lcdc_info, + .coherent_dma_mask = ~0, + }, +}; + static struct platform_device *kzm_devices[] __initdata = { &smsc_device, &usb_host_device, + &lcdc_device, }; +/* + * FIXME + * + * This is quick hack for enabling LCDC backlight + */ +static int __init as3711_enable_lcdc_backlight(void) +{ + struct i2c_adapter *a = i2c_get_adapter(0); + struct i2c_msg msg; + int i, ret; + __u8 magic[] = { + 0x40, 0x2a, + 0x43, 0x3c, + 0x44, 0x3c, + 0x45, 0x3c, + 0x54, 0x03, + 0x51, 0x00, + 0x51, 0x01, + 0xff, 0x00, /* wait */ + 0x43, 0xf0, + 0x44, 0xf0, + 0x45, 0xf0, + }; + + if (!machine_is_kzm9g()) + return 0; + + if (!a) + return 0; + + msg.addr = 0x40; + msg.len = 2; + msg.flags = 0; + + for (i = 0; i < ARRAY_SIZE(magic); i += 2) { + msg.buf = magic + i; + + if (0xff == msg.buf[0]) { + udelay(500); + continue; + } + + ret = i2c_transfer(a, &msg, 1); + if (ret < 0) { + pr_err("i2c transfer fail\n"); + break; + } + } + + return 0; +} +device_initcall(as3711_enable_lcdc_backlight); + static void __init kzm_init(void) { sh73a0_pinmux_init(); @@ -110,6 +222,37 @@ static void __init kzm_init(void) gpio_request(GPIO_PORT224, NULL); /* IRQ3 */ gpio_direction_input(GPIO_PORT224); + /* LCDC */ + gpio_request(GPIO_FN_LCDD23, NULL); + gpio_request(GPIO_FN_LCDD22, NULL); + gpio_request(GPIO_FN_LCDD21, NULL); + gpio_request(GPIO_FN_LCDD20, NULL); + gpio_request(GPIO_FN_LCDD19, NULL); + gpio_request(GPIO_FN_LCDD18, NULL); + gpio_request(GPIO_FN_LCDD17, NULL); + gpio_request(GPIO_FN_LCDD16, NULL); + gpio_request(GPIO_FN_LCDD15, NULL); + gpio_request(GPIO_FN_LCDD14, NULL); + gpio_request(GPIO_FN_LCDD13, NULL); + gpio_request(GPIO_FN_LCDD12, NULL); + gpio_request(GPIO_FN_LCDD11, NULL); + gpio_request(GPIO_FN_LCDD10, NULL); + gpio_request(GPIO_FN_LCDD9, NULL); + gpio_request(GPIO_FN_LCDD8, NULL); + gpio_request(GPIO_FN_LCDD7, NULL); + gpio_request(GPIO_FN_LCDD6, NULL); + gpio_request(GPIO_FN_LCDD5, NULL); + gpio_request(GPIO_FN_LCDD4, NULL); + gpio_request(GPIO_FN_LCDD3, NULL); + gpio_request(GPIO_FN_LCDD2, NULL); + gpio_request(GPIO_FN_LCDD1, NULL); + gpio_request(GPIO_FN_LCDD0, NULL); + gpio_request(GPIO_FN_LCDDISP, NULL); + gpio_request(GPIO_FN_LCDDCK, NULL); + + gpio_request(GPIO_PORT222, NULL); + gpio_direction_output(GPIO_PORT222, 1); + #ifdef CONFIG_CACHE_L2X0 /* Early BRESP enable, Shared attribute override enable, 64K*8way */ l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); |