mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 05:04:00 +08:00
ARM: mach-shmobile: add framebuffer support for ap4evb
ap4evb uses an LCD, connected to the SoC over the MIPI bus. This patch adds platform data to configure this display and a static clock activation. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Tested-by: Damian Hobson-Garcia <dhobsong@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
parent
9fd04fe34a
commit
8eda2f21ed
@ -42,6 +42,7 @@ config MACH_AP4EVB
|
||||
bool "AP4EVB board"
|
||||
depends on ARCH_SH7372
|
||||
select ARCH_REQUIRE_GPIOLIB
|
||||
select SH_LCD_MIPI_DSI
|
||||
|
||||
comment "SH-Mobile System Configuration"
|
||||
|
||||
|
@ -17,6 +17,7 @@
|
||||
* 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/clk.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/interrupt.h>
|
||||
@ -34,8 +35,14 @@
|
||||
#include <linux/input.h>
|
||||
#include <linux/input/sh_keysc.h>
|
||||
#include <linux/usb/r8a66597.h>
|
||||
|
||||
#include <video/sh_mobile_lcdc.h>
|
||||
#include <video/sh_mipi_dsi.h>
|
||||
|
||||
#include <mach/common.h>
|
||||
#include <mach/irqs.h>
|
||||
#include <mach/sh7372.h>
|
||||
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/map.h>
|
||||
@ -284,12 +291,87 @@ static struct platform_device usb1_host_device = {
|
||||
.resource = usb1_host_resources,
|
||||
};
|
||||
|
||||
static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = {
|
||||
.clock_source = LCDC_CLK_PERIPHERAL, /* One of interface clocks */
|
||||
.ch[0] = {
|
||||
.chan = LCDC_CHAN_MAINLCD,
|
||||
.bpp = 16,
|
||||
.interface_type = RGB24,
|
||||
.clock_divider = 1,
|
||||
.flags = LCDC_FLAGS_DWPOL,
|
||||
.lcd_cfg = {
|
||||
.name = "R63302(QHD)",
|
||||
.xres = 544,
|
||||
.yres = 961,
|
||||
.left_margin = 72,
|
||||
.right_margin = 600,
|
||||
.hsync_len = 16,
|
||||
.upper_margin = 8,
|
||||
.lower_margin = 8,
|
||||
.vsync_len = 2,
|
||||
.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
|
||||
},
|
||||
.lcd_size_cfg = {
|
||||
.width = 44,
|
||||
.height = 79,
|
||||
},
|
||||
}
|
||||
};
|
||||
|
||||
static struct resource lcdc_resources[] = {
|
||||
[0] = {
|
||||
.name = "LCDC",
|
||||
.start = 0xfe940000, /* P4-only space */
|
||||
.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 = &sh_mobile_lcdc_info,
|
||||
.coherent_dma_mask = ~0,
|
||||
},
|
||||
};
|
||||
|
||||
static struct resource mipidsi0_resources[] = {
|
||||
[0] = {
|
||||
.start = 0xffc60000,
|
||||
.end = 0xffc68fff,
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
};
|
||||
|
||||
static struct sh_mipi_dsi_info mipidsi0_info = {
|
||||
.data_format = MIPI_RGB888,
|
||||
.lcd_chan = &sh_mobile_lcdc_info.ch[0],
|
||||
};
|
||||
|
||||
static struct platform_device mipidsi0_device = {
|
||||
.name = "sh-mipi-dsi",
|
||||
.num_resources = ARRAY_SIZE(mipidsi0_resources),
|
||||
.resource = mipidsi0_resources,
|
||||
.id = 0,
|
||||
.dev = {
|
||||
.platform_data = &mipidsi0_info,
|
||||
},
|
||||
};
|
||||
|
||||
static struct platform_device *ap4evb_devices[] __initdata = {
|
||||
&nor_flash_device,
|
||||
&smc911x_device,
|
||||
&keysc_device,
|
||||
&sdhi0_device,
|
||||
&usb1_host_device,
|
||||
&lcdc_device,
|
||||
&mipidsi0_device,
|
||||
};
|
||||
|
||||
/* TouchScreen (Needs SW3 set to OFF) */
|
||||
@ -333,6 +415,45 @@ static void __init ap4evb_map_io(void)
|
||||
shmobile_setup_console();
|
||||
}
|
||||
|
||||
/* This function will disappear when we switch to (runtime) PM */
|
||||
static int __init ap4evb_init_display_clk(void)
|
||||
{
|
||||
struct clk *lcdc_clk;
|
||||
struct clk *dsitx_clk;
|
||||
int ret;
|
||||
|
||||
lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
|
||||
if (IS_ERR(lcdc_clk))
|
||||
return PTR_ERR(lcdc_clk);
|
||||
|
||||
dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
|
||||
if (IS_ERR(dsitx_clk)) {
|
||||
ret = PTR_ERR(dsitx_clk);
|
||||
goto eclkdsitxget;
|
||||
}
|
||||
|
||||
ret = clk_enable(lcdc_clk);
|
||||
if (ret < 0)
|
||||
goto eclklcdcon;
|
||||
|
||||
ret = clk_enable(dsitx_clk);
|
||||
if (ret < 0)
|
||||
goto eclkdsitxon;
|
||||
|
||||
return 0;
|
||||
|
||||
eclkdsitxon:
|
||||
clk_disable(lcdc_clk);
|
||||
eclklcdcon:
|
||||
clk_put(dsitx_clk);
|
||||
eclkdsitxget:
|
||||
clk_put(lcdc_clk);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
device_initcall(ap4evb_init_display_clk);
|
||||
|
||||
static void __init ap4evb_init(void)
|
||||
{
|
||||
sh7372_pinmux_init();
|
||||
|
Loading…
Reference in New Issue
Block a user