diff options
Diffstat (limited to 'dts/src/arm/bcm-cygnus-clock.dtsi')
| -rw-r--r-- | dts/src/arm/bcm-cygnus-clock.dtsi | 89 |
1 files changed, 61 insertions, 28 deletions
diff --git a/dts/src/arm/bcm-cygnus-clock.dtsi b/dts/src/arm/bcm-cygnus-clock.dtsi index 60d8389fdb..32bcd45ef2 100644 --- a/dts/src/arm/bcm-cygnus-clock.dtsi +++ b/dts/src/arm/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"; }; }; |