summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/bcm-cygnus-clock.dtsi
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot/dts/bcm-cygnus-clock.dtsi')
-rw-r--r--arch/arm/boot/dts/bcm-cygnus-clock.dtsi89
1 files changed, 61 insertions, 28 deletions
diff --git a/arch/arm/boot/dts/bcm-cygnus-clock.dtsi b/arch/arm/boot/dts/bcm-cygnus-clock.dtsi
index 60d8389fd..32bcd45ef 100644
--- a/arch/arm/boot/dts/bcm-cygnus-clock.dtsi
+++ b/arch/arm/boot/dts/bcm-cygnus-clock.dtsi
@@ -36,56 +36,89 @@ clocks {
ranges;
osc: oscillator {
+ #clock-cells = <0>;
compatible = "fixed-clock";
- #clock-cells = <1>;
clock-frequency = <25000000>;
};
- apb_clk: apb_clk {
- compatible = "fixed-clock";
+ /* Cygnus ARM PLL */
+ armpll: armpll {
#clock-cells = <0>;
- clock-frequency = <1000000000>;
+ compatible = "brcm,cygnus-armpll";
+ clocks = <&osc>;
+ reg = <0x19000000 0x1000>;
};
- periph_clk: periph_clk {
- compatible = "fixed-clock";
+ /* peripheral clock for system timer */
+ periph_clk: arm_periph_clk {
#clock-cells = <0>;
- clock-frequency = <500000000>;
+ compatible = "fixed-factor-clock";
+ clocks = <&armpll>;
+ clock-div = <2>;
+ clock-mult = <1>;
};
- sdio_clk: lcpll_ch2 {
- compatible = "fixed-clock";
+ /* APB bus clock */
+ apb_clk: apb_clk {
#clock-cells = <0>;
- clock-frequency = <200000000>;
+ compatible = "fixed-factor-clock";
+ clocks = <&armpll>;
+ clock-div = <4>;
+ clock-mult = <1>;
};
- axi81_clk: axi81_clk {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <100000000>;
+ genpll: genpll {
+ #clock-cells = <1>;
+ compatible = "brcm,cygnus-genpll";
+ reg = <0x0301d000 0x2c>, <0x0301c020 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "genpll", "axi21", "250mhz", "ihost_sys",
+ "enet_sw", "audio_125", "can";
};
- keypad_clk: keypad_clk {
- compatible = "fixed-clock";
+ /* always 1/2 of the axi21 clock */
+ axi41_clk: axi41_clk {
#clock-cells = <0>;
- clock-frequency = <31806>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll 1>;
+ clock-div = <2>;
+ clock-mult = <1>;
};
- adc_clk: adc_clk {
- compatible = "fixed-clock";
+ /* always 1/4 of the axi21 clock */
+ axi81_clk: axi81_clk {
#clock-cells = <0>;
- clock-frequency = <1562500>;
+ compatible = "fixed-factor-clock";
+ clocks = <&genpll 1>;
+ clock-div = <4>;
+ clock-mult = <1>;
};
- pwm_clk: pwm_clk {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <1000000>;
+ lcpll0: lcpll0 {
+ #clock-cells = <1>;
+ compatible = "brcm,cygnus-lcpll0";
+ reg = <0x0301d02c 0x1c>, <0x0301c020 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "lcpll0", "pcie_phy", "ddr_phy", "sdio",
+ "usb_phy", "smart_card", "ch5";
};
- lcd_clk: mipipll_ch1 {
- compatible = "fixed-clock";
- #clock-cells = <0>;
- clock-frequency = <100000000>;
+ mipipll: mipipll {
+ #clock-cells = <1>;
+ compatible = "brcm,cygnus-mipipll";
+ reg = <0x180a9800 0x2c>, <0x0301c020 0x4>, <0x180aa024 0x4>;
+ clocks = <&osc>;
+ clock-output-names = "mipipll", "ch0_unused", "ch1_lcd",
+ "ch2_v3d", "ch3_unused", "ch4_unused",
+ "ch5_unused";
+ };
+
+ asiu_clks: asiu_clks {
+ #clock-cells = <1>;
+ compatible = "brcm,cygnus-asiu-clk";
+ reg = <0x0301d048 0xc>, <0x180aa024 0x4>;
+
+ clocks = <&osc>;
+ clock-output-names = "keypad", "adc/touch", "pwm";
};
};