diff options
| -rw-r--r-- | arch/arm/include/asm/arch-imx8m/clock.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-imx/imx8m/clock_imx8mq.c | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8m/clock.h b/arch/arm/include/asm/arch-imx8m/clock.h index 77d9428..c705dfd 100644 --- a/arch/arm/include/asm/arch-imx8m/clock.h +++ b/arch/arm/include/asm/arch-imx8m/clock.h @@ -257,6 +257,7 @@ u32 imx_get_uartclk(void); int clock_init(void); void init_clk_usdhc(u32 index); void init_uart_clk(u32 index); +void init_usb_clk(void); void init_wdog_clk(void); unsigned int mxc_get_clock(enum mxc_clock clk); int clock_enable(enum clk_ccgr_index index, bool enable); diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mq.c b/arch/arm/mach-imx/imx8m/clock_imx8mq.c index 8fecc60..60e2218 100644 --- a/arch/arm/mach-imx/imx8m/clock_imx8mq.c +++ b/arch/arm/mach-imx/imx8m/clock_imx8mq.c @@ -400,6 +400,28 @@ void init_wdog_clk(void) clock_enable(CCGR_WDOG3, 1); } +void init_usb_clk(void) +{ + if (!is_usb_boot()) { + clock_enable(CCGR_USB_CTRL1, 0); + clock_enable(CCGR_USB_CTRL2, 0); + clock_enable(CCGR_USB_PHY1, 0); + clock_enable(CCGR_USB_PHY2, 0); + /* 500MHz */ + clock_set_target_val(USB_BUS_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + /* 100MHz */ + clock_set_target_val(USB_CORE_REF_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + /* 100MHz */ + clock_set_target_val(USB_PHY_REF_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + clock_enable(CCGR_USB_CTRL1, 1); + clock_enable(CCGR_USB_CTRL2, 1); + clock_enable(CCGR_USB_PHY1, 1); + clock_enable(CCGR_USB_PHY2, 1); + } +} void init_nand_clk(void) { |