From: Tony Lindgren Date: Mon, 19 Jan 2015 19:47:35 +0000 (-0800) Subject: ARM: dts: Add basic clocks for dm816x X-Git-Tag: v5.15~16311^2~2^2~19 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7383ca92552721fe430a82aab8271bc462423dca;p=platform%2Fkernel%2Flinux-starfive.git ARM: dts: Add basic clocks for dm816x The clocks on dm816x are a bit different from the other omap variants. The clocks are sourced from a FAPLL (Flying Adder PLL) unlike on other omaps. Other than that, it's a similar setup to am33xx with extra muxes and dividers that can be defined as existing component clocks. Cc: Brian Hutchinson Cc: Paul Walmsley Cc: Tero Kristo Signed-off-by: Tony Lindgren --- diff --git a/arch/arm/boot/dts/dm816x-clocks.dtsi b/arch/arm/boot/dts/dm816x-clocks.dtsi new file mode 100644 index 0000000..50d9d33 --- /dev/null +++ b/arch/arm/boot/dts/dm816x-clocks.dtsi @@ -0,0 +1,250 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +&scrm { + main_fapll: main_fapll { + #clock-cells = <1>; + compatible = "ti,dm816-fapll-clock"; + reg = <0x400 0x40>; + clocks = <&sys_clkin_ck &sys_clkin_ck>; + clock-indices = <1>, <2>, <3>, <4>, <5>, + <6>, <7>; + clock-output-names = "main_pll_clk1", + "main_pll_clk2", + "main_pll_clk3", + "main_pll_clk4", + "main_pll_clk5", + "main_pll_clk6", + "main_pll_clk7"; + }; + + ddr_fapll: ddr_fapll { + #clock-cells = <1>; + compatible = "ti,dm816-fapll-clock"; + reg = <0x440 0x30>; + clocks = <&sys_clkin_ck &sys_clkin_ck>; + clock-indices = <1>, <2>, <3>, <4>; + clock-output-names = "ddr_pll_clk1", + "ddr_pll_clk2", + "ddr_pll_clk3", + "ddr_pll_clk4"; + }; + + video_fapll: video_fapll { + #clock-cells = <1>; + compatible = "ti,dm816-fapll-clock"; + reg = <0x470 0x30>; + clocks = <&sys_clkin_ck &sys_clkin_ck>; + clock-indices = <1>, <2>, <3>; + clock-output-names = "video_pll_clk1", + "video_pll_clk2", + "video_pll_clk3"; + }; + + audio_fapll: audio_fapll { + #clock-cells = <1>; + compatible = "ti,dm816-fapll-clock"; + reg = <0x4a0 0x30>; + clocks = <&main_fapll 7>, < &sys_clkin_ck>; + clock-indices = <1>, <2>, <3>, <4>, <5>; + clock-output-names = "audio_pll_clk1", + "audio_pll_clk2", + "audio_pll_clk3", + "audio_pll_clk4", + "audio_pll_clk5"; + }; +}; + +&scrm_clocks { + secure_32k_ck: secure_32k_ck { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; + + sys_32k_ck: sys_32k_ck { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; + + tclkin_ck: tclkin_ck { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; + + sys_clkin_ck: sys_clkin_ck { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <27000000>; + }; +}; + +/* 0x48180000 */ +&prcm_clocks { + clkout_pre_ck: clkout_pre_ck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&main_fapll 5 &ddr_fapll 1 &video_fapll 1 + &audio_fapll 1>; + reg = <0x100>; + }; + + clkout_div_ck: clkout_div_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&clkout_pre_ck>; + ti,bit-shift = <3>; + ti,max-div = <8>; + reg = <0x100>; + }; + + clkout_ck: clkout_ck { + #clock-cells = <0>; + compatible = "ti,gate-clock"; + clocks = <&clkout_div_ck>; + ti,bit-shift = <7>; + reg = <0x100>; + }; + + /* CM_DPLL clocks p1795 */ + sysclk1_ck: sysclk1_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&main_fapll 1>; + ti,max-div = <7>; + reg = <0x0300>; + }; + + sysclk2_ck: sysclk2_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&main_fapll 2>; + ti,max-div = <7>; + reg = <0x0304>; + }; + + sysclk3_ck: sysclk3_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&main_fapll 3>; + ti,max-div = <7>; + reg = <0x0308>; + }; + + sysclk4_ck: sysclk4_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&main_fapll 4>; + ti,max-div = <1>; + reg = <0x030c>; + }; + + sysclk5_ck: sysclk5_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&sysclk4_ck>; + ti,max-div = <1>; + reg = <0x0310>; + }; + + sysclk6_ck: sysclk6_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&main_fapll 4>; + ti,dividers = <2>, <4>; + reg = <0x0314>; + }; + + sysclk10_ck: sysclk10_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&ddr_fapll 2>; + ti,max-div = <7>; + reg = <0x0324>; + }; + + sysclk24_ck: sysclk24_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&main_fapll 5>; + ti,max-div = <7>; + reg = <0x03b4>; + }; + + mpu_ck: mpu_ck { + #clock-cells = <0>; + compatible = "ti,gate-clock"; + clocks = <&sysclk2_ck>; + ti,bit-shift = <1>; + reg = <0x15dc>; + }; + + audio_pll_a_ck: audio_pll_a_ck { + #clock-cells = <0>; + compatible = "ti,divider-clock"; + clocks = <&audio_fapll 1>; + ti,max-div = <7>; + reg = <0x035c>; + }; + + sysclk18_ck: sysclk18_ck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&sys_32k_ck>, <&audio_pll_a_ck>; + reg = <0x0378>; + }; + + timer1_fck: timer1_fck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>; + reg = <0x0390>; + }; + + timer2_fck: timer2_fck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>; + reg = <0x0394>; + }; + + timer3_fck: timer3_fck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>; + reg = <0x0398>; + }; + + timer4_fck: timer4_fck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>; + reg = <0x039c>; + }; + + timer5_fck: timer5_fck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>; + reg = <0x03a0>; + }; + + timer6_fck: timer6_fck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>; + reg = <0x03a4>; + }; + + timer7_fck: timer7_fck { + #clock-cells = <0>; + compatible = "ti,mux-clock"; + clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>; + reg = <0x03a8>; + }; +}; diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi index 5b5df63..7adac09 100644 --- a/arch/arm/boot/dts/dm816x.dtsi +++ b/arch/arm/boot/dts/dm816x.dtsi @@ -384,3 +384,4 @@ }; }; +#include "dm816x-clocks.dtsi"