mx25: add platform support for imxfb

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index 744b52a613fc725039686c85976ee4ab246ac56d..56bf958d8c34e9985e22b2767b584a5bb55879cc 100644 (file)
--- 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 b0b75fc99058fc811c1db3d07b5e90c43faf09db..3f4b8a0b5facf9d1c7200ce7f21d1b85890f37b6 100644 (file)
--- 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 37e6a08214470cddc34010192f2d32b559f2a738..39560e13bc0d5c93cdf6d7d0da2ba9c41e6734dd 100644 (file)
--- 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;

diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index 4ef9d5332b4a875965d2e33d91fa5128be26ed2b..4eb6e334bda589f6d210dc2c3de1a70a60cb6b1b 100644 (file)
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -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