diff options
Diffstat (limited to 'Documentation/devicetree')
3 files changed, 64 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt index 849834cb1766..b5c2b5c35766 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.txt +++ b/Documentation/devicetree/bindings/arm/amlogic.txt @@ -45,6 +45,10 @@ Boards with the Amlogic Meson GXL S805X SoC shall have the following properties: Required root node property: compatible: "amlogic,s805x", "amlogic,meson-gxl"; +Boards with the Amlogic Meson GXL S905W SoC shall have the following properties: + Required root node property: + compatible: "amlogic,s905w", "amlogic,meson-gxl"; + Boards with the Amlogic Meson GXM S912 SoC shall have the following properties: Required root node property: compatible: "amlogic,s912", "amlogic,meson-gxm"; @@ -85,6 +89,9 @@ Board compatible values (alphabetically, grouped by SoC): - "amlogic,p241" (Meson gxl s805x) + - "amlogic,p281" (Meson gxl s905w) + - "oranth,tx3-mini" (Meson gxl s905w) + - "amlogic,q200" (Meson gxm s912) - "amlogic,q201" (Meson gxm s912) - "khadas,vim2" (Meson gxm s912) diff --git a/Documentation/devicetree/bindings/clock/amlogic,axg-audio-clkc.txt b/Documentation/devicetree/bindings/clock/amlogic,axg-audio-clkc.txt new file mode 100644 index 000000000000..61777ad24f61 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/amlogic,axg-audio-clkc.txt @@ -0,0 +1,56 @@ +* Amlogic AXG Audio Clock Controllers + +The Amlogic AXG audio clock controller generates and supplies clock to the +other elements of the audio subsystem, such as fifos, i2s, spdif and pdm +devices. + +Required Properties: + +- compatible : should be "amlogic,axg-audio-clkc" for the A113X and A113D +- reg : physical base address of the clock controller and length of + memory mapped region. +- clocks : a list of phandle + clock-specifier pairs for the clocks listed + in clock-names. +- clock-names : must contain the following: + * "pclk" - Main peripheral bus clock + may contain the following: + * "mst_in[0-7]" - 8 input plls to generate clock signals + * "slv_sclk[0-9]" - 10 slave bit clocks provided by external + components. + * "slv_lrclk[0-9]" - 10 slave sample clocks provided by external + components. +- resets : phandle of the internal reset line +- #clock-cells : should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. All available clocks are defined as +preprocessor macros in the dt-bindings/clock/axg-audio-clkc.h header and can be +used in device tree sources. + +Example: + +clkc_audio: clock-controller@0 { + compatible = "amlogic,axg-audio-clkc"; + reg = <0x0 0x0 0x0 0xb4>; + #clock-cells = <1>; + + clocks = <&clkc CLKID_AUDIO>, + <&clkc CLKID_MPLL0>, + <&clkc CLKID_MPLL1>, + <&clkc CLKID_MPLL2>, + <&clkc CLKID_MPLL3>, + <&clkc CLKID_HIFI_PLL>, + <&clkc CLKID_FCLK_DIV3>, + <&clkc CLKID_FCLK_DIV4>, + <&clkc CLKID_GP0_PLL>; + clock-names = "pclk", + "mst_in0", + "mst_in1", + "mst_in2", + "mst_in3", + "mst_in4", + "mst_in5", + "mst_in6", + "mst_in7"; + resets = <&reset RESET_AUDIO>; +}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index d2f427ce2505..6770f8d75bb0 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -273,6 +273,7 @@ opalkelly Opal Kelly Incorporated opencores OpenCores.org openrisc OpenRISC.io option Option NV +oranth Shenzhen Oranth Technology Co., Ltd. ORCL Oracle Corporation orisetech Orise Technology ortustech Ortus Technology Co., Ltd. |