freebsd-dev/sys/gnu/dts/arm/bcm-cygnus-clock.dtsi
2019-09-28 23:08:19 +00:00

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/*
* 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@19000000 {
#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@301d000 {
#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@301d02c {
#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@180a9800 {
#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@301d048 {
#clock-cells = <1>;
compatible = "brcm,cygnus-asiu-clk";
reg = <0x0301d048 0xc>, <0x180aa024 0x4>;
clocks = <&osc>;
clock-output-names = "keypad", "adc/touch", "pwm";
};
audiopll: audiopll@180aeb00 {
#clock-cells = <1>;
compatible = "brcm,cygnus-audiopll";
reg = <0x180aeb00 0x68>;
clocks = <&osc>;
clock-output-names = "audiopll", "ch0_audio",
"ch1_audio", "ch2_audio";
};
};