diff options
Diffstat (limited to 'arch/arm/boot/dts/bcm-cygnus-clock.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/bcm-cygnus-clock.dtsi | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm-cygnus-clock.dtsi b/arch/arm/boot/dts/bcm-cygnus-clock.dtsi new file mode 100644 index 000000000..80b6ba4ca --- /dev/null +++ b/arch/arm/boot/dts/bcm-cygnus-clock.dtsi @@ -0,0 +1,133 @@ +/* + * BSD LICENSE + * + * Copyright(c) 2014 Broadcom Corporation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Broadcom Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + osc: oscillator { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <25000000>; + }; + + /* Cygnus ARM PLL */ + armpll: armpll { + #clock-cells = <0>; + compatible = "brcm,cygnus-armpll"; + clocks = <&osc>; + reg = <0x19000000 0x1000>; + }; + + /* peripheral clock for system timer */ + periph_clk: arm_periph_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&armpll>; + clock-div = <2>; + clock-mult = <1>; + }; + + /* APB bus clock */ + apb_clk: apb_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&armpll>; + clock-div = <4>; + clock-mult = <1>; + }; + + 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"; + }; + + /* always 1/2 of the axi21 clock */ + axi41_clk: axi41_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&genpll 1>; + clock-div = <2>; + clock-mult = <1>; + }; + + /* always 1/4 of the axi21 clock */ + axi81_clk: axi81_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&genpll 1>; + clock-div = <4>; + clock-mult = <1>; + }; + + 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"; + }; + + 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"; + }; + + audiopll: audiopll { + #clock-cells = <1>; + compatible = "brcm,cygnus-audiopll"; + reg = <0x180aeb00 0x68>; + clocks = <&osc>; + clock-output-names = "audiopll", "ch0_audio", + "ch1_audio", "ch2_audio"; + }; +}; |