@@ -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>;
Add cmu_top, cmu_peric0 clock nodes and switch USI clocks instead of dummy fixed-rate-clock. Signed-off-by: Sunyeal Hong <sunyeal.hong@samsung.com> --- .../arm64/boot/dts/exynos/exynosautov920.dtsi | 40 +++++++++++++------ 1 file changed, 27 insertions(+), 13 deletions(-)