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authorUlrich Hecht <ulrich.hecht+renesas@gmail.com>2014-11-07 16:51:08 +0100
committerGeert Uytterhoeven <geert+renesas@glider.be>2014-11-12 14:24:08 +0100
commitbfadcadf03a63bc841f69ed1c47e930b2ba2273d (patch)
treef62b6f9f84ce9dda4e27d8b9ccc93c5acd3008db /Documentation
parentc6d67fb037f4eaafeec495611dd909c51d33f6a2 (diff)
downloadop-kernel-dev-bfadcadf03a63bc841f69ed1c47e930b2ba2273d.zip
op-kernel-dev-bfadcadf03a63bc841f69ed1c47e930b2ba2273d.tar.gz
clk: shmobile: document DIV6 clock parent bindings
Describes how to specify the parents for clocks with EXSRC bits. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt18
1 files changed, 12 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..054f65f 100644
--- a/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt
+++ b/Documentation/devicetree/bindings/clock/renesas,cpg-div6-clocks.txt
@@ -7,11 +7,16 @@ 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-Mobile AG5) 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); either one, four, or eight
+ clocks must be specified. For clocks with multiple parents, invalid
+ settings must be specified as "<0>".
- #clock-cells: Must be 0
- clock-output-names: The name of the clock as a free-form string
@@ -19,10 +24,11 @@ Required Properties:
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>;
#clock-cells = <0>;
- clock-output-names = "sd2";
+ clock-output-names = "sdhi2ck";
};
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