diff --git a/arch/arm/dts/am437x-idk-evm-u-boot.dtsi b/arch/arm/dts/am437x-idk-evm-u-boot.dtsi index 3aa9195e44..50fe09cfc3 100644 --- a/arch/arm/dts/am437x-idk-evm-u-boot.dtsi +++ b/arch/arm/dts/am437x-idk-evm-u-boot.dtsi @@ -9,6 +9,12 @@ ocp { u-boot,dm-spl; }; + + xtal25mhz: xtal25mhz { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; }; &uart0 { @@ -17,6 +23,14 @@ &i2c0 { u-boot,dm-spl; + + cdce913: cdce913@65 { + compatible = "ti,cdce913"; + reg = <0x65>; + clocks = <&xtal25mhz>; + #clock-cells = <1>; + xtal-load-pf = <0>; + }; }; &mmc1 { diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index 2e09cc20e8..f5ecf871bc 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -720,6 +720,7 @@ static int device_okay(const char *path) int board_late_init(void) { + struct udevice *dev; #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG set_board_info_env(NULL); @@ -737,6 +738,10 @@ int board_late_init(void) if (device_okay("/ocp/omap_dwc3@483c0000")) enable_usb_clocks(1); #endif + + /* Just probe the potentially supported cdce913 device */ + uclass_get_device(UCLASS_CLK, 0, &dev); + return 0; } #endif diff --git a/configs/am43xx_evm_defconfig b/configs/am43xx_evm_defconfig index 7c74047f3a..7367c6952b 100644 --- a/configs/am43xx_evm_defconfig +++ b/configs/am43xx_evm_defconfig @@ -78,3 +78,5 @@ CONFIG_USB_GADGET_VENDOR_NUM=0x0403 CONFIG_USB_GADGET_PRODUCT_NUM=0xbd00 CONFIG_USB_GADGET_DOWNLOAD=y CONFIG_USB_ETHER=y +CONFIG_CLK=y +CONFIG_CLK_CDCE9XX=y