Signed-off-by: Sascha Hauer s.hauer@pengutronix.de --- arch/arm/mach-imx/pcm970-baseboard.c | 78 +++++++++++++++++++++++++++++++++- 1 file changed, 77 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/pcm970-baseboard.c b/arch/arm/mach-imx/pcm970-baseboard.c index 99afbc3..17758f8 100644 --- a/arch/arm/mach-imx/pcm970-baseboard.c +++ b/arch/arm/mach-imx/pcm970-baseboard.c @@ -20,6 +20,9 @@ #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/can/platform/sja1000.h> +#include <drm/drmP.h> +#include <drm/sdrm_encon.h> +#include <generated/mach-types.h>
#include <asm/mach/arch.h>
@@ -224,8 +227,81 @@ void __init pcm970_baseboard_init(void) mxc_gpio_setup_multiple_pins(pcm970_pins, ARRAY_SIZE(pcm970_pins), "PCM970");
- imx27_add_imx_fb(&pcm038_fb_data); +// imx27_add_imx_fb(&pcm038_fb_data); mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_IN); imx27_add_mxc_mmc(1, &sdhc_pdata); platform_device_register(&pcm970_sja1000); } + +static struct platform_device *__init imx_add_imx_drm( + struct imx_drm_platform_data *pdata) +{ + struct resource res[] = { + { + .start = MX27_LCDC_BASE_ADDR, + .end = MX27_LCDC_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = MX27_INT_LCDC, + .end = MX27_INT_LCDC, + .flags = IORESOURCE_IRQ, + }, + }; + return imx_add_platform_device_dmamask("imx-drm", -1, + res, ARRAY_SIZE(res), + pdata, sizeof(*pdata), DMA_BIT_MASK(32)); +} + +static struct drm_display_mode pcm038_modes[] = { + { + .name = "Sharp-LQ035Q7", + .vrefresh = 60, + .clock = 5300, + .hdisplay = 240, + .hsync_start = 240 + 16, + .hsync_end = 240 + 16 + 7, + .htotal = 240 + 16 + 7 + 5, + .vdisplay = 320, + .vsync_start = 320 + 9, + .vsync_end = 320 + 9 + 1, + .vtotal = 320 + 9 + 1 + 7, + .type = 0x0, + .flags = 0x0, + }, +}; + +static struct sdrm_encon_dummy_pdata pcm038_encon_data = { + .drm_name = "imx-drm", + .possible_crtcs = 0x1, + .possible_clones = 0x1, + .modes = pcm038_modes, + .num_modes = ARRAY_SIZE(pcm038_modes), +}; + +static struct imx_drm_platform_data drm_pdata = { + /* + * - HSYNC active high + * - VSYNC active high + * - clk notenabled while idle + * - clock not inverted + * - data not inverted + * - data enable low active + * - enable sharp mode + */ + .pcr = 0xf00080c0, + .lscr1 = 0x00120300, + .pwmr = 0x00a903ff, +}; + +static int add_drm(void) +{ + if (!machine_is_pcm038()) + return 0; + + imx_add_imx_drm(&drm_pdata); + + platform_device_register_data(NULL, "drm-encon-dummy", 0, + &pcm038_encon_data, sizeof(pcm038_encon_data)); + return 0; +} +device_initcall(add_drm);