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mx25: add platform support for imxfb 

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Baruch Siach 2010-02-17 12:33:24 +02:00 committed by Sascha Hauer
parent f601441916
commit 04a03e5fe3
4 changed files with 38 additions and 0 deletions
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12
arch/arm/mach-mx25/clock.c
View File

@ -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;

23
arch/arm/mach-mx25/devices.c
View File

@ -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,
},
};

1
arch/arm/mach-mx25/devices.h
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@ -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;

2
arch/arm/plat-mxc/include/mach/mx25.h
View File

@ -33,10 +33,12 @@
#define MX25_FEC_BASE_ADDR 0x50038000
#define MX25_NFC_BASE_ADDR 0xbb000000
#define MX25_DRYICE_BASE_ADDR 0x53ffc000
#define MX25_LCDC_BASE_ADDR 0x53fbc000
#define MX25_INT_DRYICE 25
#define MX25_INT_FEC 57
#define MX25_INT_NANDFC 33
#define MX25_INT_LCDC 39
#if defined(IMX_NEEDS_DEPRECATED_SYMBOLS)
#define UART1_BASE_ADDR MX25_UART1_BASE_ADDR