Add cmu_top, cmu_peric0 clock nodes and switch USI clocks instead of dummy fixed-rate-clock. Signed-off-by: Sunyeal Hong <sunyeal.hong@xxxxxxxxxxx> --- .../arm64/boot/dts/exynos/exynosautov920.dtsi | 40 +++++++++++++------ 1 file changed, 27 insertions(+), 13 deletions(-) diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi index c1c8566d74f5..91882b37fdb3 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi +++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi @@ -6,6 +6,7 @@ * */ +#include <dt-bindings/clock/samsung,exynosautov920.h> #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/soc/samsung,exynos-usi.h> @@ -38,17 +39,6 @@ xtcxo: clock { clock-output-names = "oscclk"; }; - /* - * FIXME: Keep the stub clock for serial driver, until proper clock - * driver is implemented. - */ - clock_usi: clock-usi { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <200000000>; - clock-output-names = "usi"; - }; - cpus: cpus { #address-cells = <2>; #size-cells = <0>; @@ -192,6 +182,19 @@ gic: interrupt-controller@10400000 { interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; }; + cmu_peric0: clock-controller@10800000 { + compatible = "samsung,exynosautov920-cmu-peric0"; + reg = <0x10800000 0x8000>; + #clock-cells = <1>; + + clocks = <&xtcxo>, + <&cmu_top DOUT_CLKCMU_PERIC0_NOC>, + <&cmu_top DOUT_CLKCMU_PERIC0_IP>; + clock-names = "oscclk", + "noc", + "ip"; + }; + syscon_peric0: syscon@10820000 { compatible = "samsung,exynosautov920-peric0-sysreg", "syscon"; @@ -213,7 +216,8 @@ usi_0: usi@108800c0 { #address-cells = <1>; #size-cells = <1>; ranges; - clocks = <&clock_usi>, <&clock_usi>; + clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>, + <&cmu_peric0 CLK_DOUT_PERIC0_USI00_USI>; clock-names = "pclk", "ipclk"; status = "disabled"; @@ -224,7 +228,8 @@ serial_0: serial@10880000 { interrupts = <GIC_SPI 764 IRQ_TYPE_LEVEL_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&uart0_bus>; - clocks = <&clock_usi>, <&clock_usi>; + clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>, + <&cmu_peric0 CLK_DOUT_PERIC0_USI00_USI>; clock-names = "uart", "clk_uart_baud0"; samsung,uart-fifosize = <256>; status = "disabled"; @@ -254,6 +259,15 @@ pinctrl_peric1: pinctrl@10c30000 { interrupts = <GIC_SPI 781 IRQ_TYPE_LEVEL_HIGH>; }; + cmu_top: clock-controller@11000000 { + compatible = "samsung,exynosautov920-cmu-top"; + reg = <0x11000000 0x8000>; + #clock-cells = <1>; + + clocks = <&xtcxo>; + clock-names = "oscclk"; + }; + pinctrl_alive: pinctrl@11850000 { compatible = "samsung,exynosautov920-pinctrl"; reg = <0x11850000 0x10000>; -- 2.45.2