forked from Minki/linux
5253ed194c
Replace current device tree dummy clocks with real clock support for Broadcom Cygnus SoC Signed-off-by: Ray Jui <rjui@broadcom.com> Reviewed-by: Scott Branden <sbranden@broadcom.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
125 lines
3.6 KiB
Plaintext
125 lines
3.6 KiB
Plaintext
/*
|
|
* 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";
|
|
};
|
|
};
|