Commit dfbcdf64 authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Paul Mundt

ARM: mach-shmobile: add HDMI support to the ap4evb board

Support HDMI in 720p mode.
Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 6011bdea
......@@ -44,6 +44,7 @@
#include <sound/sh_fsi.h>
#include <video/sh_mobile_hdmi.h>
#include <video/sh_mobile_lcdc.h>
#include <video/sh_mipi_dsi.h>
......@@ -565,17 +566,152 @@ static struct platform_device fsi_device = {
},
};
static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
.clock_source = LCDC_CLK_EXTERNAL,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.bpp = 16,
.interface_type = RGB24,
.clock_divider = 1,
.flags = LCDC_FLAGS_DWPOL,
.lcd_cfg = {
.name = "HDMI",
/* So far only 720p is supported */
.xres = 1280,
.yres = 720,
/*
* If left and right margins are not multiples of 8,
* LDHAJR will be adjusted accordingly by the LCDC
* driver. Until we start using EDID, these values
* might have to be adjusted for different monitors.
*/
.left_margin = 200,
.right_margin = 88,
.hsync_len = 48,
.upper_margin = 20,
.lower_margin = 5,
.vsync_len = 5,
.pixclock = 13468,
.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
},
}
};
static struct resource lcdc1_resources[] = {
[0] = {
.name = "LCDC1",
.start = 0xfe944000,
.end = 0xfe947fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x17a0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device lcdc1_device = {
.name = "sh_mobile_lcdc_fb",
.num_resources = ARRAY_SIZE(lcdc1_resources),
.resource = lcdc1_resources,
.id = 1,
.dev = {
.platform_data = &sh_mobile_lcdc1_info,
.coherent_dma_mask = ~0,
},
};
static struct sh_mobile_hdmi_info hdmi_info = {
.lcd_chan = &sh_mobile_lcdc1_info.ch[0],
.lcd_dev = &lcdc1_device.dev,
};
static struct resource hdmi_resources[] = {
[0] = {
.name = "HDMI",
.start = 0xe6be0000,
.end = 0xe6be00ff,
.flags = IORESOURCE_MEM,
},
[1] = {
/* There's also an HDMI interrupt on INTCS @ 0x18e0 */
.start = evt2irq(0x17e0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device hdmi_device = {
.name = "sh-mobile-hdmi",
.num_resources = ARRAY_SIZE(hdmi_resources),
.resource = hdmi_resources,
.id = -1,
.dev = {
.platform_data = &hdmi_info,
},
};
static struct platform_device *ap4evb_devices[] __initdata = {
&nor_flash_device,
&smc911x_device,
&sdhi0_device,
&sdhi1_device,
&usb1_host_device,
&lcdc_device,
&fsi_device,
&sh_mmcif_device
&lcdc1_device,
&lcdc_device,
&hdmi_device,
};
static int __init hdmi_init_pm_clock(void)
{
struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
int ret;
long rate;
if (IS_ERR(hdmi_ick)) {
ret = PTR_ERR(hdmi_ick);
pr_err("Cannot get HDMI ICK: %d\n", ret);
goto out;
}
ret = clk_set_parent(&pllc2_clk, &dv_clki_div2_clk);
if (ret < 0) {
pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, pllc2_clk.usecount);
goto out;
}
pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&pllc2_clk));
rate = clk_round_rate(&pllc2_clk, 594000000);
if (rate < 0) {
pr_err("Cannot get suitable rate: %ld\n", rate);
ret = rate;
goto out;
}
ret = clk_set_rate(&pllc2_clk, rate);
if (ret < 0) {
pr_err("Cannot set rate %ld: %d\n", rate, ret);
goto out;
}
pr_debug("PLLC2 set frequency %lu\n", rate);
ret = clk_set_parent(hdmi_ick, &pllc2_clk);
if (ret < 0) {
pr_err("Cannot set HDMI parent: %d\n", ret);
goto out;
}
out:
if (!IS_ERR(hdmi_ick))
clk_put(hdmi_ick);
return ret;
}
device_initcall(hdmi_init_pm_clock);
/*
* FIXME !!
*
......@@ -689,9 +825,9 @@ static void __init ap4evb_map_io(void)
#define GPIO_PORT9CR 0xE6051009
#define GPIO_PORT10CR 0xE605100A
static void __init ap4evb_init(void)
{
u32 srcr4;
struct clk *clk;
sh7372_pinmux_init();
......@@ -915,6 +1051,17 @@ static void __init ap4evb_init(void)
sh7372_add_standard_devices();
/* HDMI */
gpio_request(GPIO_FN_HDMI_HPD, NULL);
gpio_request(GPIO_FN_HDMI_CEC, NULL);
/* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
#define SRCR4 0xe61580bc
srcr4 = __raw_readl(SRCR4);
__raw_writel(srcr4 | (1 << 13), SRCR4);
udelay(50);
__raw_writel(srcr4 & ~(1 << 13), SRCR4);
platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
}
......@@ -922,6 +1069,9 @@ static void __init ap4evb_timer_init(void)
{
sh7372_clock_init();
shmobile_timer.init();
/* External clock source */
clk_set_rate(&dv_clki_clk, 27000000);
}
static struct sys_timer ap4evb_timer = {
......
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