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 744b52a..56bf958 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -124,6 +124,11 @@
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(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(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 @@
_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 @@
__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;