Adds properties renesas,src-shift and renesas,src-width, and describes how to specify the available parent clocks.
Signed-off-by: Ulrich Hecht <[email protected]> --- .../bindings/clock/renesas,cpg-div6-clocks.txt | 28 +++++++++++++++++----- 1 file changed, 22 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt b/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt index 952e373..348954b 100644 --- a/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt @@ -7,22 +7,38 @@ to 64. Required Properties: - compatible: Must be one of the following + - "renesas,r8a73a4-div6-clock" for R8A73A4 (R-Mobile APE6) DIV6 clocks + - "renesas,r8a7740-div6-clock" for R8A7740 (R-Mobile A1) DIV6 clocks - "renesas,r8a7790-div6-clock" for R8A7790 (R-Car H2) DIV6 clocks - "renesas,r8a7791-div6-clock" for R8A7791 (R-Car M2) DIV6 clocks + - "renesas,sh73a0-div6-clock" for SH73A0 (SH-MobileAG5) DIV6 clocks - "renesas,cpg-div6-clock" for generic DIV6 clocks - reg: Base address and length of the memory resource used by the DIV6 clock - - clocks: Reference to the parent clock + - clocks: Reference to the parent clock(s); if there are multiple parent + clocks, one must be specified for each possible parent clock setting + in the clock register. Invalid settings must be specified as "<0>". + Trailing invalid settings may be omitted. - #clock-cells: Must be 0 - clock-output-names: The name of the clock as a free-form string +Optional Properties: + + - renesas,src-shift: Bit position of the input clock selector (default: + fixed input clock; requires renesas,src-width) + - renesas,src-width: Bit width of the input clock selector (default: fixed + input clock; requires renesas,src-shift) + Example ------- - sd2_clk: sd2_clk@e6150078 { - compatible = "renesas,r8a7790-div6-clock", "renesas,cpg-div6-clock"; - reg = <0 0xe6150078 0 4>; - clocks = <&pll1_div2_clk>; + sdhi2_clk: sdhi2_clk@e615007c { + compatible = "renesas,r8a73a4-div6-clock", "renesas,cpg-div6-clock"; + reg = <0 0xe615007c 0 4>; + clocks = <&pll1_div2_clk>, <&cpg_clocks R8A73A4_CLK_PLL2S>, + <0>, <&extal2_clk>; + renesas,src-shift = <6>; + renesas,src-width = <2>; #clock-cells = <0>; - clock-output-names = "sd2"; + clock-output-names = "sdhi2ck"; }; -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
