[U-Boot] [PATCH] ARM: BeagleBoard-x15: Enable i2c5 clocks
Lokesh Vutla
lokeshvutla at ti.com
Fri Jun 5 11:49:21 CEST 2015
On AM57xx evm I2C5 is used to detect the LCD board by reading the
EEPROM present on the bus.
Enable i2c5 clocks to help that.
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
arch/arm/cpu/armv7/omap5/hw_data.c | 7 +++++++
arch/arm/cpu/armv7/omap5/prcm-regs.c | 4 ++++
arch/arm/include/asm/omap_common.h | 4 ++++
3 files changed, 15 insertions(+)
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 868415d..53e87b2 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -534,6 +534,9 @@ void enable_basic_clocks(void)
void enable_basic_uboot_clocks(void)
{
u32 const clk_domains_essential[] = {
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
+ (*prcm)->cm_ipu_clkstctrl,
+#endif
0
};
@@ -547,7 +550,11 @@ void enable_basic_uboot_clocks(void)
(*prcm)->cm_l4per_i2c2_clkctrl,
(*prcm)->cm_l4per_i2c3_clkctrl,
(*prcm)->cm_l4per_i2c4_clkctrl,
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
+ (*prcm)->cm_ipu_i2c5_clkctrl,
+#else
(*prcm)->cm_l4per_i2c5_clkctrl,
+#endif
(*prcm)->cm_l3init_hsusbhost_clkctrl,
(*prcm)->cm_l3init_fsusb_clkctrl,
0
diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c
index f80d36d..a87003c 100644
--- a/arch/arm/cpu/armv7/omap5/prcm-regs.c
+++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c
@@ -815,6 +815,10 @@ struct prcm_regs const dra7xx_prcm = {
.cm_dsp_clkstctrl = 0x4a005400,
.cm_dsp_dsp_clkctrl = 0x4a005420,
+ /* cm IPU */
+ .cm_ipu_clkstctrl = 0x4a005540,
+ .cm_ipu_i2c5_clkctrl = 0x4a005578,
+
/* prm irqstatus regs */
.prm_irqstatus_mpu_2 = 0x4ae06014,
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index b0296fb..a1278fb 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -344,6 +344,10 @@ struct prcm_regs {
/* GMAC Clk Ctrl */
u32 cm_gmac_gmac_clkctrl;
u32 cm_gmac_clkstctrl;
+
+ /* IPU */
+ u32 cm_ipu_clkstctrl;
+ u32 cm_ipu_i2c5_clkctrl;
};
struct omap_sys_ctrl_regs {
--
1.9.1
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