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-rw-r--r--arch/arm/mach-mx5/clock.c32
-rw-r--r--arch/arm/mach-mx5/mx53_evk.c5
-rw-r--r--arch/arm/mach-mx5/mx53_evk_gpio.c68
3 files changed, 83 insertions, 22 deletions
diff --git a/arch/arm/mach-mx5/clock.c b/arch/arm/mach-mx5/clock.c
index 57d28f9f6267..c71a7a3d766f 100644
--- a/arch/arm/mach-mx5/clock.c
+++ b/arch/arm/mach-mx5/clock.c
@@ -2495,17 +2495,21 @@ static void _clk_ssi_ext1_recalc(struct clk *clk)
static int _clk_ssi_ext1_set_rate(struct clk *clk, unsigned long rate)
{
- u32 reg, div;
+ u32 reg, div, pre, post;
div = clk->parent->rate / rate;
if (div == 0)
div++;
- if (((clk->parent->rate / div) != rate) || (div > 8))
+ if (((clk->parent->rate / div) != rate) || div > 512)
return -EINVAL;
+ __calc_pre_post_dividers(div, &pre, &post);
+
reg = __raw_readl(MXC_CCM_CS1CDR);
- reg &= ~MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_MASK;
- reg |= (div - 1) << MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_OFFSET;
+ reg &= ~(MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_MASK |
+ MXC_CCM_CS1CDR_SSI_EXT1_CLK_PODF_MASK);
+ reg |= (post - 1) << MXC_CCM_CS1CDR_SSI_EXT1_CLK_PODF_OFFSET;
+ reg |= (pre - 1) << MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_OFFSET;
__raw_writel(reg, MXC_CCM_CS1CDR);
clk->rate = rate;
@@ -2536,14 +2540,15 @@ static int _clk_ssi_ext1_set_parent(struct clk *clk, struct clk *parent)
static unsigned long _clk_ssi_ext1_round_rate(struct clk *clk,
unsigned long rate)
{
- u32 div;
+ u32 pre, post;
+ u32 div = clk->parent->rate / rate;
- div = clk->parent->rate / rate;
- if (div > 8)
- div = 8;
- else if (div == 0)
+ if (clk->parent->rate % rate)
div++;
- return clk->parent->rate / div;
+
+ __calc_pre_post_dividers(div, &pre, &post);
+
+ return clk->parent->rate / (pre * post);
}
static struct clk ssi_ext1_clk = {
@@ -4605,8 +4610,11 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc, unsigned long
reg |= 1 << MXC_CCM_CS2CDR_SSI2_CLK_PRED_OFFSET;
__raw_writel(reg, MXC_CCM_CS2CDR);
- /* Change the SSI_EXT1_CLK to be sourced from SSI1_CLK_ROOT */
- clk_set_parent(&ssi_ext1_clk, &ssi1_clk[0]);
+ /* Change the SSI_EXT1_CLK to be sourced from PLL2 for camera */
+ clk_disable(&ssi_ext1_clk);
+ clk_set_parent(&ssi_ext1_clk, &pll2_sw_clk);
+ clk_set_rate(&ssi_ext1_clk, 24000000);
+ clk_enable(&ssi_ext1_clk);
clk_set_parent(&ssi_ext2_clk, &ssi2_clk[0]);
/* move usb_phy_clk to 24MHz */
diff --git a/arch/arm/mach-mx5/mx53_evk.c b/arch/arm/mach-mx5/mx53_evk.c
index e6cdc5d81f68..7cb9830daaff 100644
--- a/arch/arm/mach-mx5/mx53_evk.c
+++ b/arch/arm/mach-mx5/mx53_evk.c
@@ -308,8 +308,7 @@ static int __init tv_setup(char *s)
__setup("hdtv", tv_setup);
static struct mxc_camera_platform_data camera_data = {
- .io_regulator = "SW4",
- .analog_regulator = "VIOHI",
+ .analog_regulator = "VSD",
.mclk = 24000000,
.csi = 0,
};
@@ -440,7 +439,7 @@ static int mxc_sgtl5000_init(void)
if (IS_ERR(ssi_ext1))
return -1;
- rate = clk_round_rate(ssi_ext1, 12000000);
+ rate = clk_round_rate(ssi_ext1, 24000000);
if (rate < 8000000 || rate > 27000000) {
printk(KERN_ERR "Error: SGTL5000 mclk freq %d out of range!\n",
rate);
diff --git a/arch/arm/mach-mx5/mx53_evk_gpio.c b/arch/arm/mach-mx5/mx53_evk_gpio.c
index 37c489a3e357..7b1efd1bd50c 100644
--- a/arch/arm/mach-mx5/mx53_evk_gpio.c
+++ b/arch/arm/mach-mx5/mx53_evk_gpio.c
@@ -184,9 +184,6 @@ static struct mxc_iomux_pin_cfg __initdata mxc_iomux_pins[] = {
MX53_PIN_CSI0_D4, IOMUX_CONFIG_ALT5,
},
{
- MX53_PIN_CSI0_D5, IOMUX_CONFIG_ALT5,
- },
- {
MX53_PIN_CSI0_D6, IOMUX_CONFIG_ALT5,
},
{
@@ -395,6 +392,61 @@ static struct mxc_iomux_pin_cfg __initdata mxc_iomux_pins[] = {
(PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
PAD_CTL_DRV_LOW | PAD_CTL_SRE_SLOW),
},
+ { /* audio and CSI clock out */
+ MX53_PIN_GPIO_0, IOMUX_CONFIG_ALT3,
+ },
+ {
+ MX53_PIN_CSI0_D12, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ {
+ MX53_PIN_CSI0_D13, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ {
+ MX53_PIN_CSI0_D14, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ {
+ MX53_PIN_CSI0_D15, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ {
+ MX53_PIN_CSI0_D16, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ {
+ MX53_PIN_CSI0_D17, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ {
+ MX53_PIN_CSI0_D18, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ {
+ MX53_PIN_CSI0_D19, IOMUX_CONFIG_ALT0,
+ PAD_CTL_HYS_NONE | PAD_CTL_PKE_NONE | PAD_CTL_ODE_OPENDRAIN_NONE |
+ PAD_CTL_DRV_LOW,
+ },
+ { /* Camera VSYNC */
+ MX53_PIN_CSI0_VSYNC, IOMUX_CONFIG_ALT0,
+ },
+ { /* Camera HSYNC */
+ MX53_PIN_CSI0_MCLK, IOMUX_CONFIG_ALT0,
+ },
+ { /* Camera pixclk */
+ MX53_PIN_CSI0_PIXCLK, IOMUX_CONFIG_ALT0,
+ },
+ { /* Camera low power */
+ MX53_PIN_CSI0_D5, IOMUX_CONFIG_ALT1,
+ },
/* esdhc1 */
{
MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION,
@@ -552,9 +604,6 @@ static struct mxc_iomux_pin_cfg __initdata mx53_evk_iomux_pins[] = {
{ /* FEC_RST */
MX53_PIN_ATA_DA_0, IOMUX_CONFIG_ALT1,
},
- { /* audio clock out */
- MX53_PIN_GPIO_0, IOMUX_CONFIG_ALT3,
- },
};
static struct mxc_iomux_pin_cfg __initdata mx53_arm2_iomux_pins[] = {
@@ -739,9 +788,14 @@ void __init mx53_evk_io_init(void)
/* LCD related gpio */
/* Camera reset */
+ gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), "gpio4_0");
+ gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 0);
+ gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 1);
/* Camera low power */
-
+ gpio_request(IOMUX_TO_GPIO(MX53_PIN_CSI0_D5), "gpio5_23");
+ gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D5), 0);
+ gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D5), 0);
}
/* workaround for ecspi chipselect pin may not keep correct level when idle */