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[UBOOT,RFC,03/13] ARM: DRA7: Enable clocks for USB OTGSS and USB PHY

Message ID 1408372115-4570-4-git-send-email-kishon@ti.com
State New
Headers show

Commit Message

Kishon Vijay Abraham I Aug. 18, 2014, 2:28 p.m. UTC 
Enabled clocks for dwc3 controller and USB PHY present in DRA7.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 arch/arm/cpu/armv7/omap5/hw_data.c   | 14 ++++++++++++++
 arch/arm/cpu/armv7/omap5/prcm-regs.c |  6 ++++--
 arch/arm/include/asm/omap_common.h   |  4 ++--
 3 files changed, 20 insertions(+), 4 deletions(-)
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Patch

diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index 4baca11..c7d5343 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -434,6 +434,10 @@  void enable_basic_clocks(void)
 		(*prcm)->cm_l4per_gpio6_clkctrl,
 		(*prcm)->cm_l4per_gpio7_clkctrl,
 		(*prcm)->cm_l4per_gpio8_clkctrl,
+#ifdef CONFIG_USB_DWC3
+		(*prcm)->cm_l3init_ocp2scp1_clkctrl,
+		(*prcm)->cm_l3init_usb_otg_ss1_clkctrl,
+#endif
 		0
 	};
 
@@ -465,6 +469,16 @@  void enable_basic_clocks(void)
 	setbits_le32((*prcm)->cm_l3init_hsmmc2_clkctrl,
 			HSMMC_CLKCTRL_CLKSEL_MASK);
 
+#ifdef CONFIG_USB_DWC3
+	/* Enable 960 MHz clock for dwc3 */
+	setbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl,
+			OPTFCLKEN_REFCLK960M);
+
+	/* Enable 32 KHz clock for dwc3 */
+	setbits_le32((*prcm)->cm_coreaon_usb_phy1_core_clkctrl,
+			USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K);
+#endif
+
 	/* Set the correct clock dividers for mmc */
 	setbits_le32((*prcm)->cm_l3init_hsmmc1_clkctrl,
 			HSMMC_CLKCTRL_CLKSEL_DIV_MASK);
diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c
index ff08ef4..74d99de 100644
--- a/arch/arm/cpu/armv7/omap5/prcm-regs.c
+++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c
@@ -574,7 +574,7 @@  struct prcm_regs const omap5_es2_prcm = {
 	.cm_div_m2_dpll_unipro = 0x4a0081d0,
 	.cm_ssc_deltamstep_dpll_unipro = 0x4a0081e8,
 	.cm_ssc_modfreqdiv_dpll_unipro = 0x4a0081ec,
-	.cm_coreaon_usb_phy_core_clkctrl = 0x4A008640,
+	.cm_coreaon_usb_phy1_core_clkctrl = 0x4A008640,
 	.cm_coreaon_bandgap_clkctrl = 0x4a008648,
 	.cm_coreaon_io_srcomp_clkctrl = 0x4a008650,
 
@@ -708,7 +708,7 @@  struct prcm_regs const omap5_es2_prcm = {
 	.cm_l3init_fsusb_clkctrl = 0x4a0096d0,
 	.cm_l3init_ocp2scp1_clkctrl = 0x4a0096e0,
 	.cm_l3init_ocp2scp3_clkctrl = 0x4a0096e8,
-	.cm_l3init_usb_otg_ss_clkctrl = 0x4a0096f0,
+	.cm_l3init_usb_otg_ss1_clkctrl = 0x4a0096f0,
 
 	/* prm irqstatus regs */
 	.prm_irqstatus_mpu_2 = 0x4ae06014,
@@ -800,6 +800,7 @@  struct prcm_regs const dra7xx_prcm = {
 	.cm_clkmode_dpll_dsp			= 0x4a005234,
 	.cm_shadow_freq_config1			= 0x4a005260,
 	.cm_clkmode_dpll_gmac			= 0x4a0052a8,
+	.cm_coreaon_usb_phy1_core_clkctrl	= 0x4a008640,
 	.cm_coreaon_usb_phy2_core_clkctrl = 0x4a008688,
 
 	/* cm1.mpu */
@@ -906,6 +907,7 @@  struct prcm_regs const dra7xx_prcm = {
 	.cm_gmac_gmac_clkctrl			= 0x4a0093d0,
 	.cm_l3init_ocp2scp1_clkctrl		= 0x4a0093e0,
 	.cm_l3init_ocp2scp3_clkctrl		= 0x4a0093e8,
+	.cm_l3init_usb_otg_ss1_clkctrl		= 0x4a0093f0,
 
 	/* cm2.l4per */
 	.cm_l4per_clkstctrl			= 0x4a009700,
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index d1344ee..f010af3 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -143,7 +143,7 @@  struct prcm_regs {
 	u32 cm_div_m2_dpll_unipro;
 	u32 cm_ssc_deltamstep_dpll_unipro;
 	u32 cm_ssc_modfreqdiv_dpll_unipro;
-	u32 cm_coreaon_usb_phy_core_clkctrl;
+	u32 cm_coreaon_usb_phy1_core_clkctrl;
 	u32 cm_coreaon_usb_phy2_core_clkctrl;
 
 	/* cm2.core */
@@ -230,7 +230,7 @@  struct prcm_regs {
 	u32 cm_l3init_fsusb_clkctrl;
 	u32 cm_l3init_ocp2scp1_clkctrl;
 	u32 cm_l3init_ocp2scp3_clkctrl;
-	u32 cm_l3init_usb_otg_ss_clkctrl;
+	u32 cm_l3init_usb_otg_ss1_clkctrl;
 
 	u32 prm_irqstatus_mpu_2;