From df83d907348b41f40da83b267242b5dca041d4ef Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 27 Mar 2013 11:55:35 +0100 Subject: [PATCH] ARM: shmobile: marzen: Add Display Unit support Support the DU0 VGA and DU1 LVDS outputs. DU1 is connected to a Mitsubishi AA104XD12 panel (10.4" XGA). Signed-off-by: Laurent Pinchart Acked-by: Kuninori Morimoto Signed-off-by: Simon Horman --- arch/arm/mach-shmobile/board-marzen.c | 72 +++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c index 3f5044fda4e3..434b213cc738 100644 --- a/arch/arm/mach-shmobile/board-marzen.c +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -169,6 +170,63 @@ static struct platform_device hspi_device = { .num_resources = ARRAY_SIZE(hspi_resources), }; +/* + * DU + * + * The panel only specifies the [hv]display and [hv]total values. The position + * and width of the sync pulses don't matter, they're copied from VESA timings. + */ +static struct rcar_du_encoder_data du_encoders[] = { + { + .type = RCAR_DU_ENCODER_VGA, + .output = RCAR_DU_OUTPUT_DPAD0, + }, { + .type = RCAR_DU_ENCODER_LVDS, + .output = RCAR_DU_OUTPUT_DPAD1, + .connector.lvds.panel = { + .width_mm = 210, + .height_mm = 158, + .mode = { + .clock = 65000, + .hdisplay = 1024, + .hsync_start = 1048, + .hsync_end = 1184, + .htotal = 1344, + .vdisplay = 768, + .vsync_start = 771, + .vsync_end = 777, + .vtotal = 806, + .flags = 0, + }, + }, + }, +}; + +static const struct rcar_du_platform_data du_pdata __initconst = { + .encoders = du_encoders, + .num_encoders = ARRAY_SIZE(du_encoders), +}; + +static const struct resource du_resources[] __initconst = { + DEFINE_RES_MEM(0xfff80000, 0x40000), + DEFINE_RES_IRQ(gic_iid(0x3f)), +}; + +static void __init marzen_add_du_device(void) +{ + struct platform_device_info info = { + .name = "rcar-du-r8a7779", + .id = -1, + .res = du_resources, + .num_res = ARRAY_SIZE(du_resources), + .data = &du_pdata, + .size_data = sizeof(du_pdata), + .dma_mask = DMA_BIT_MASK(32), + }; + + platform_device_register_full(&info); +} + /* LEDS */ static struct gpio_led marzen_leds[] = { { @@ -237,6 +295,19 @@ static struct platform_device *marzen_devices[] __initdata = { }; static const struct pinctrl_map marzen_pinctrl_map[] = { + /* DU (CN10: ARGB0, CN13: LVDS) */ + PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779", + "du0_rgb888", "du0"), + PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779", + "du0_sync_1", "du0"), + PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779", + "du0_clk_out_0", "du0"), + PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779", + "du1_rgb666", "du1"), + PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779", + "du1_sync_1", "du1"), + PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779", + "du1_clk_out", "du1"), /* HSPI0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779", "hspi0", "hspi0"), @@ -297,6 +368,7 @@ static void __init marzen_init(void) r8a7779_add_vin_device(1, &vin_platform_data); r8a7779_add_vin_device(3, &vin_platform_data); platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices)); + marzen_add_du_device(); } static const char *marzen_boards_compat_dt[] __initdata = { -- 2.39.5