From 04a03e5fe3d337242e5c0a9c93d2fd24cff545ef Mon Sep 17 00:00:00 2001 From: Baruch Siach Date: Wed, 17 Feb 2010 12:33:24 +0200 Subject: mx25: add platform support for imxfb Signed-off-by: Baruch Siach Signed-off-by: Sascha Hauer --- arch/arm/mach-mx25/clock.c | 12 ++++++++++++ arch/arm/mach-mx25/devices.c | 23 +++++++++++++++++++++++ arch/arm/mach-mx25/devices.h | 1 + 3 files changed, 36 insertions(+) (limited to 'arch/arm/mach-mx25') diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c index 744b52a613f..56bf958d8c3 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 b0b75fc9905..3f4b8a0b5fa 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 37e6a082144..39560e13bc0 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; -- cgit v1.2.3