Signed-off-by: Sascha Hauer <s.ha...@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);
--
1.7.9.5
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