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authorBaruch Siach <baruch@tkos.co.il>2010-02-17 12:33:24 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2010-02-18 08:35:05 +0100
commit04a03e5fe3d337242e5c0a9c93d2fd24cff545ef (patch)
tree30fa99ccf96b411e5e2a4a74f237d22f86cdb4b8 /arch/arm/mach-mx25
parentf601441916d1e19291d0b4f044b4a7551e2924d0 (diff)
mx25: add platform support for imxfb
Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx25')
-rw-r--r--arch/arm/mach-mx25/clock.c12
-rw-r--r--arch/arm/mach-mx25/devices.c23
-rw-r--r--arch/arm/mach-mx25/devices.h1
3 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index 744b52a613fc..56bf958d8c34 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -124,6 +124,11 @@ static unsigned long get_rate_gpt(struct clk *clk)
return get_rate_per(5);
}
+static unsigned long get_rate_lcdc(struct clk *clk)
+{
+ return get_rate_per(7);
+}
+
static unsigned long get_rate_otg(struct clk *clk)
{
return 48000000; /* FIXME */
@@ -167,6 +172,8 @@ DEFINE_CLOCK(cspi1_clk, 0, CCM_CGCR1, 5, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(cspi2_clk, 0, CCM_CGCR1, 6, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(cspi3_clk, 0, CCM_CGCR1, 7, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(fec_ahb_clk, 0, CCM_CGCR0, 23, NULL, NULL, NULL);
+DEFINE_CLOCK(lcdc_ahb_clk, 0, CCM_CGCR0, 24, NULL, NULL, NULL);
+DEFINE_CLOCK(lcdc_per_clk, 0, CCM_CGCR0, 7, NULL, NULL, &lcdc_ahb_clk);
DEFINE_CLOCK(uart1_clk, 0, CCM_CGCR2, 14, get_rate_uart, NULL, &uart_per_clk);
DEFINE_CLOCK(uart2_clk, 0, CCM_CGCR2, 15, get_rate_uart, NULL, &uart_per_clk);
DEFINE_CLOCK(uart3_clk, 0, CCM_CGCR2, 16, get_rate_uart, NULL, &uart_per_clk);
@@ -183,6 +190,7 @@ DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL, NULL);
DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL, NULL);
DEFINE_CLOCK(fec_clk, 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk);
DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1, 8, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(lcdc_clk, 0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk);
#define _REGISTER_CLOCK(d, n, c) \
{ \
@@ -216,6 +224,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
_REGISTER_CLOCK("fec.0", NULL, fec_clk)
_REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
+ _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
};
int __init mx25_clocks_init(void)
@@ -233,6 +242,9 @@ int __init mx25_clocks_init(void)
__raw_writel((0xf << 16) | (3 << 26), CRM_BASE + CCM_CGCR1);
__raw_writel((1 << 5), CRM_BASE + CCM_CGCR2);
+ /* Clock source for lcdc is upll */
+ __raw_writel(__raw_readl(CRM_BASE+0x64) | (1 << 7), CRM_BASE + 0x64);
+
mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
return 0;
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index b0b75fc99058..3f4b8a0b5fac 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -477,3 +477,26 @@ struct platform_device mx25_rtc_device = {
.num_resources = ARRAY_SIZE(mx25_rtc_resources),
.resource = mx25_rtc_resources,
};
+
+static struct resource mx25_fb_resources[] = {
+ {
+ .start = MX25_LCDC_BASE_ADDR,
+ .end = MX25_LCDC_BASE_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MX25_INT_LCDC,
+ .end = MX25_INT_LCDC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device mx25_fb_device = {
+ .name = "imx-fb",
+ .id = 0,
+ .resource = mx25_fb_resources,
+ .num_resources = ARRAY_SIZE(mx25_fb_resources),
+ .dev = {
+ .coherent_dma_mask = 0xFFFFFFFF,
+ },
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index 37e6a0821447..39560e13bc0d 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -20,3 +20,4 @@ extern struct platform_device mxc_i2c_device2;
extern struct platform_device mx25_fec_device;
extern struct platform_device mxc_nand_device;
extern struct platform_device mx25_rtc_device;
+extern struct platform_device mx25_fb_device;