[PATCH V2 4/7] ARM: EXYNOS: Adding DRM platform device
From: Joonyoung Shim <hidden>
Date: 2012-07-20 07:33:52
Also in:
linux-devicetree, linux-samsung-soc
On 07/18/2012 02:57 PM, Leela Krishna Amudala wrote:
quoted hunk ↗ jump to hunk
Add DRM platform device to machine file for exynos5. Signed-off-by: Prathyush K <redacted> Signed-off-by: Leela Krishna Amudala <redacted> --- arch/arm/mach-exynos/mach-exynos5-dt.c | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-)diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index 02a0e68..99f2b24 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c@@ -17,6 +17,7 @@ #include <asm/mach/arch.h> #include <asm/hardware/gic.h> +#include <asm/io.h> #include <mach/map.h> #include <plat/cpu.h>@@ -27,6 +28,22 @@ #include "common.h" #include <video/platform_lcd.h> +static void exynos_fimd_gpio_setup_24bpp(void)
The function name is wrong, this function doesn't control gpios.
+{
+ unsigned int reg = 0;
+ /*
+ * Set DISP1BLK_CFG register for Display path selection
+ * FIMD of DISP1_BLK Bypass selection : DISP1BLK_CFG[15]
+ * ---------------------
+ * 0 | MIE/MDNIE
+ * 1 | FIMD : selected
+ */
+ reg = __raw_readl(S3C_VA_SYS + 0x0214);
+ reg &= ~(1 << 15); /* To save other reset values */
+ reg |= (1 << 15);
+ __raw_writel(reg, S3C_VA_SYS + 0x0214);
+}If needs this, move to arch/arm/mach-exynos/setup-fimd0.c
quoted hunk ↗ jump to hunk
+ static int smdk5250_bl_notify(struct device *unused, int brightness) { /* manage lcd_bl_en signal */@@ -49,6 +66,14 @@ static struct platform_pwm_backlight_data smdk5250_bl_data = { .notify = smdk5250_bl_notify, }; +static struct platform_device exynos_drm_device = { + .name = "exynos-drm", + .dev = { + .dma_mask = &exynos_drm_device.dev.coherent_dma_mask, + .coherent_dma_mask = 0xffffffffUL, + } +}; +
There is already exynos-drm device at the arch/arm/mach-exynos/dev-drm.c
quoted hunk ↗ jump to hunk
static void lcd_set_power(struct plat_lcd_data *pd, unsigned int power) {@@ -138,6 +163,7 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { static struct platform_device *smdk5250_devices[] __initdata = { &smdk5250_lcd, /* for platform_lcd device */ + &exynos_drm_device, }; static void __init exynos5250_dt_map_io(void)@@ -151,6 +177,7 @@ static void __init exynos5250_dt_machine_init(void) samsung_bl_set(&smdk5250_bl_gpio_info, &smdk5250_bl_data); of_platform_populate(NULL, of_default_bus_match_table, exynos5250_auxdata_lookup, NULL); + exynos_fimd_gpio_setup_24bpp(); platform_add_devices(smdk5250_devices, ARRAY_SIZE(smdk5250_devices)); }
Thanks.