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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/clock/exynos5250-clock.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/clock/exynos5250-clock.txt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt new file mode 100644 index 000000000..aff266a12 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt @@ -0,0 +1,41 @@ +* Samsung Exynos5250 Clock Controller + +The Exynos5250 clock controller generates and supplies clock to various +controllers within the Exynos5250 SoC. + +Required Properties: + +- compatible: should be one of the following. + - "samsung,exynos5250-clock" - controller compatible with Exynos5250 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #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 +dt-bindings/clock/exynos5250.h header and can be used in device +tree sources. + +Example 1: An example of a clock controller node is listed below. + + clock: clock-controller@10010000 { + compatible = "samsung,exynos5250-clock"; + reg = <0x10010000 0x30000>; + #clock-cells = <1>; + }; + +Example 2: UART controller node that consumes the clock generated by the clock + controller. Refer to the standard clock bindings for information + about 'clocks' and 'clock-names' property. + + serial@13820000 { + compatible = "samsung,exynos4210-uart"; + reg = <0x13820000 0x100>; + interrupts = <0 54 0>; + clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>; + clock-names = "uart", "clk_uart_baud0"; + }; |