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  1/*
  2 *  BSD LICENSE
  3 *
  4 *  Copyright(c) 2014 Broadcom Corporation.  All rights reserved.
  5 *
  6 *  Redistribution and use in source and binary forms, with or without
  7 *  modification, are permitted provided that the following conditions
  8 *  are met:
  9 *
 10 *    * Redistributions of source code must retain the above copyright
 11 *      notice, this list of conditions and the following disclaimer.
 12 *    * Redistributions in binary form must reproduce the above copyright
 13 *      notice, this list of conditions and the following disclaimer in
 14 *      the documentation and/or other materials provided with the
 15 *      distribution.
 16 *    * Neither the name of Broadcom Corporation nor the names of its
 17 *      contributors may be used to endorse or promote products derived
 18 *      from this software without specific prior written permission.
 19 *
 20 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 21 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 22 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 23 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 24 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 25 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 26 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 27 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 28 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 29 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 31 */
 32
 33clocks {
 34	#address-cells = <1>;
 35	#size-cells = <1>;
 36	ranges;
 37
 38	osc: oscillator {
 39		#clock-cells = <0>;
 40		compatible = "fixed-clock";
 41		clock-frequency = <25000000>;
 42	};
 43
 44	/* Cygnus ARM PLL */
 45	armpll: armpll@19000000 {
 46		#clock-cells = <0>;
 47		compatible = "brcm,cygnus-armpll";
 48		clocks = <&osc>;
 49		reg = <0x19000000 0x1000>;
 50	};
 51
 52	/* peripheral clock for system timer */
 53	periph_clk: arm_periph_clk {
 54		#clock-cells = <0>;
 55		compatible = "fixed-factor-clock";
 56		clocks = <&armpll>;
 57		clock-div = <2>;
 58		clock-mult = <1>;
 59	};
 60
 61	/* APB bus clock */
 62	apb_clk: apb_clk {
 63		#clock-cells = <0>;
 64		compatible = "fixed-factor-clock";
 65		clocks = <&armpll>;
 66		clock-div = <4>;
 67		clock-mult = <1>;
 68	};
 69
 70	genpll: genpll@301d000 {
 71		#clock-cells = <1>;
 72		compatible = "brcm,cygnus-genpll";
 73		reg = <0x0301d000 0x2c>, <0x0301c020 0x4>;
 74		clocks = <&osc>;
 75		clock-output-names = "genpll", "axi21", "250mhz", "ihost_sys",
 76				     "enet_sw", "audio_125", "can";
 77	};
 78
 79	/* always 1/2 of the axi21 clock */
 80	axi41_clk: axi41_clk {
 81		#clock-cells = <0>;
 82		compatible = "fixed-factor-clock";
 83		clocks = <&genpll 1>;
 84		clock-div = <2>;
 85		clock-mult = <1>;
 86	};
 87
 88	/* always 1/4 of the axi21 clock */
 89	axi81_clk: axi81_clk {
 90		#clock-cells = <0>;
 91		compatible = "fixed-factor-clock";
 92		clocks = <&genpll 1>;
 93		clock-div = <4>;
 94		clock-mult = <1>;
 95	};
 96
 97	lcpll0: lcpll0@301d02c {
 98		#clock-cells = <1>;
 99		compatible = "brcm,cygnus-lcpll0";
100		reg = <0x0301d02c 0x1c>, <0x0301c020 0x4>;
101		clocks = <&osc>;
102		clock-output-names = "lcpll0", "pcie_phy", "ddr_phy", "sdio",
103				     "usb_phy", "smart_card", "ch5";
104	};
105
106	mipipll: mipipll@180a9800 {
107		#clock-cells = <1>;
108		compatible = "brcm,cygnus-mipipll";
109		reg = <0x180a9800 0x2c>, <0x0301c020 0x4>, <0x180aa024 0x4>;
110		clocks = <&osc>;
111		clock-output-names = "mipipll", "ch0_unused", "ch1_lcd",
112				     "ch2_v3d", "ch3_unused", "ch4_unused",
113				     "ch5_unused";
114	};
115
116	asiu_clks: asiu_clks@301d048 {
117		#clock-cells = <1>;
118		compatible = "brcm,cygnus-asiu-clk";
119		reg = <0x0301d048 0xc>, <0x180aa024 0x4>;
120
121		clocks = <&osc>;
122		clock-output-names = "keypad", "adc/touch", "pwm";
123	};
124
125	audiopll: audiopll@180aeb00 {
126		#clock-cells = <1>;
127		compatible = "brcm,cygnus-audiopll";
128		reg = <0x180aeb00 0x68>;
129		clocks = <&osc>;
130		clock-output-names = "audiopll", "ch0_audio",
131					"ch1_audio", "ch2_audio";
132	};
133};