Enabled clocks for dwc3 controller and USB PHY present in AM43xx.
Signed-off-by: Kishon Vijay Abraham I kishon@ti.com Reviewed-by: Lukasz Majewski l.majewski@samsung.com --- arch/arm/cpu/armv7/am33xx/clock_am43xx.c | 12 ++++++++++++ arch/arm/include/asm/arch-am33xx/cpu.h | 20 +++++++++++++++----- arch/arm/include/asm/arch-am33xx/hardware_am43xx.h | 3 +++ 3 files changed, 30 insertions(+), 5 deletions(-)
diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c index 31188c8..252135d 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c +++ b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c @@ -111,9 +111,21 @@ void enable_basic_clocks(void) &cmper->emifclkctrl, &cmper->otfaemifclkctrl, &cmper->qspiclkctrl, + &cmper->usb0clkctrl, + &cmper->usbphyocp2scp0clkctrl, + &cmper->usb1clkctrl, + &cmper->usbphyocp2scp1clkctrl, 0 };
+ setbits_le32(&cmper->usb0clkctrl, + USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960); + setbits_le32(&cmwkup->usbphy0clkctrl, + USBPHY0_CLKCTRL_OPTFCLKEN_CLK32K); + setbits_le32(&cmper->usb1clkctrl, + USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960); + setbits_le32(&cmwkup->usbphy1clkctrl, + USBPHY0_CLKCTRL_OPTFCLKEN_CLK32K); do_enable_clocks(clk_domains, clk_modules_explicit_en, 1);
/* Select the Master osc clk as Timer2 clock source */ diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h index 8dd69b3..19542f9 100644 --- a/arch/arm/include/asm/arch-am33xx/cpu.h +++ b/arch/arm/include/asm/arch-am33xx/cpu.h @@ -224,7 +224,11 @@ struct cm_dpll { struct cm_wkuppll { unsigned int resv0[136]; unsigned int wkl4wkclkctrl; /* offset 0x220 */ - unsigned int resv1[55]; + unsigned int resv1[7]; + unsigned int usbphy0clkctrl; /* offset 0x240 */ + unsigned int resv112; + unsigned int usbphy1clkctrl; /* offset 0x248 */ + unsigned int resv113[45]; unsigned int wkclkstctrl; /* offset 0x300 */ unsigned int resv2[15]; unsigned int wkup_i2c0ctrl; /* offset 0x340 */ @@ -283,7 +287,7 @@ struct cm_perpll { unsigned int l3clkstctrl; /* offset 0x00 */ unsigned int resv0[7]; unsigned int l3clkctrl; /* Offset 0x20 */ - unsigned int resv1[7]; + unsigned int resv112[7]; unsigned int l3instrclkctrl; /* offset 0x40 */ unsigned int resv2[3]; unsigned int ocmcramclkctrl; /* offset 0x50 */ @@ -310,7 +314,9 @@ struct cm_perpll { unsigned int qspiclkctrl; /* offset 0x258 */ unsigned int resv121; unsigned int usb0clkctrl; /* offset 0x260 */ - unsigned int resv13[103]; + unsigned int resv122; + unsigned int usb1clkctrl; /* offset 0x268 */ + unsigned int resv13[101]; unsigned int l4lsclkstctrl; /* offset 0x400 */ unsigned int resv14[7]; unsigned int l4lsclkctrl; /* offset 0x420 */ @@ -364,10 +370,14 @@ struct cm_perpll { unsigned int uart4clkctrl; /* offset 0x598 */ unsigned int resv35; unsigned int uart5clkctrl; /* offset 0x5A0 */ - unsigned int resv36[87]; + unsigned int resv36[5]; + unsigned int usbphyocp2scp0clkctrl; /* offset 0x5B8 */ + unsigned int resv361; + unsigned int usbphyocp2scp1clkctrl; /* offset 0x5C0 */ + unsigned int resv3611[79];
unsigned int emifclkstctrl; /* offset 0x700 */ - unsigned int resv361[7]; + unsigned int resv362[7]; unsigned int emifclkctrl; /* offset 0x720 */ unsigned int resv37[3]; unsigned int emiffwclkctrl; /* offset 0x730 */ diff --git a/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h b/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h index efdecf4..a8641aa 100644 --- a/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h +++ b/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h @@ -72,6 +72,9 @@ #define USBPHYOCPSCP_MODULE_EN (1 << 1) #define CM_DEVICE_INST 0x44df4100
+#define USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960 (1 << 8) +#define USBPHY0_CLKCTRL_OPTFCLKEN_CLK32K (1 << 8) + /* Control status register */ #define CTRL_CRYSTAL_FREQ_SRC_MASK (1 << 31) #define CTRL_CRYSTAL_FREQ_SRC_SHIFT 31