ARM: AM43xx: Enable clocks for USB OTGSS and USB PHY

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>

diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c
index 529a11951401764696bfb3d5006573c95509f329..b1c0025eebe8a2db8a903d11ea12e45bb685afe0 100644 (file)
--- 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 523d22eb87dd394e12053dfedbbe0226ca5e144c..13a9cad23884ec409d95338d3ce3320d7a72154d 100644 (file)
--- a/arch/arm/include/asm/arch-am33xx/cpu.h
+++ b/arch/arm/include/asm/arch-am33xx/cpu.h
@@ -230,7 +230,11 @@ struct prm_device_inst {
 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 */
@@ -289,7 +293,7 @@ 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 */
@@ -316,7 +320,9 @@ 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 */
@@ -370,10 +376,14 @@ 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 29e3816c1a531dca487c0c1b74ddc6238fb6772b..f6523ea927aac89369af941fa67b611a08a0a6d7 100644 (file)
--- a/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h
+++ b/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h
@@ -73,6 +73,9 @@
 #define CM_DEVICE_INST                 0x44df4100
 #define PRM_DEVICE_INST                        0x44df4000
 
+#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