This correctly enables the USB PHY clocks, by enabling CM_ALWON_USBPHY_CLKCTRL
and correctly setting CM_L3INIT_USBPHY_CLKCTRL's value.
Signed-off-by: Paul Kocialkowski <cont...@paulk.fr>
---
arch/arm/cpu/armv7/omap4/hw_data.c | 4 ++++
arch/arm/cpu/armv7/omap4/prcm-regs.c | 1 +
arch/arm/include/asm/arch-omap4/clock.h | 5 ++++-
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c
b/arch/arm/cpu/armv7/omap4/hw_data.c
index 1cc2072..02c06c1 100644
--- a/arch/arm/cpu/armv7/omap4/hw_data.c
+++ b/arch/arm/cpu/armv7/omap4/hw_data.c
@@ -380,6 +380,10 @@ void enable_basic_clocks(void)
setbits_le32((*prcm)->cm_l3init_usbphy_clkctrl,
USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK);
+ /* Enable 32 KHz clock for USB PHY */
+ setbits_le32((*prcm)->cm_coreaon_usb_phy1_core_clkctrl,
+ USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K);
+
do_enable_clocks(clk_domains_essential,
clk_modules_hw_auto_essential,
clk_modules_explicit_en_essential,
diff --git a/arch/arm/cpu/armv7/omap4/prcm-regs.c
b/arch/arm/cpu/armv7/omap4/prcm-regs.c
index a09581e..2f0e1e8 100644
--- a/arch/arm/cpu/armv7/omap4/prcm-regs.c
+++ b/arch/arm/cpu/armv7/omap4/prcm-regs.c
@@ -129,6 +129,7 @@ struct prcm_regs const omap4_prcm = {
.cm_div_m2_dpll_unipro = 0x4a0081d0,
.cm_ssc_deltamstep_dpll_unipro = 0x4a0081e8,
.cm_ssc_modfreqdiv_dpll_unipro = 0x4a0081ec,
+ .cm_coreaon_usb_phy1_core_clkctrl = 0x4a008640,
/* cm2.core */
.cm_l3_1_clkstctrl = 0x4a008700,
diff --git a/arch/arm/include/asm/arch-omap4/clock.h
b/arch/arm/include/asm/arch-omap4/clock.h
index f3a682a..a408c0c 100644
--- a/arch/arm/include/asm/arch-omap4/clock.h
+++ b/arch/arm/include/asm/arch-omap4/clock.h
@@ -134,8 +134,11 @@
/* CM_DSS_DSS_CLKCTRL */
#define DSS_CLKCTRL_OPTFCLKEN_MASK 0xF00
+/* CM_COREAON_USB_PHY_CORE_CLKCTRL */
+#define USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K (1 << 8)
+
/* CM_L3INIT_USBPHY_CLKCTRL */
-#define USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK 8
+#define USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK (1 << 8)
/* CM_MPU_MPU_CLKCTRL */
#define MPU_CLKCTRL_CLKSEL_EMIF_DIV_MODE_SHIFT 24
--
2.6.4
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