@@ -57,10 +57,10 @@
};
};
- core_clk: core-clk {
+ input_clk: input-clk {
#clock-cells = <0>;
compatible = "fixed-clock";
- clock-frequency = <500000000>;
+ clock-frequency = <33333333>;
};
cpu_intc: cpu-interrupt-controller {
@@ -102,6 +102,13 @@
ranges = <0x00000000 0xf0000000 0x10000000>;
+ core_clk: core-clk@0 {
+ compatible = "snps,hsdk-core-pll-clock";
+ reg = <0x00 0x10>, <0x14B8 0x4>;
+ #clock-cells = <0>;
+ clocks = <&input_clk>;
+ };
+
serial: serial@5000 {
compatible = "snps,dw-apb-uart";
reg = <0x5000 0x100>;
@@ -62,6 +62,7 @@ CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
+CONFIG_CLK_HSDK=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_VFAT_FS=y
Add core pll node (core_clk) to manage cpu frequency. core_clk node represents pll itself. input_clk node represents clock signal source (basically xtal) which comes to pll input. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> --- arch/arc/boot/dts/hsdk.dts | 11 +++++++++-- arch/arc/configs/hsdk_defconfig | 1 + 2 files changed, 10 insertions(+), 2 deletions(-)