[v3,2/4] ARM64: dts: meson-gx: add clock to DT binding documentation for hwrng

Commit Message

Heiner Kallweit Feb. 22, 2017, 6:59 a.m. UTC

Add clock to DT binding documentation.

Signed-off-by: Heiner Kallweit <[e-mail]>
---
v2:
- splitted first version of patch into two
- add DT binding documentation
- mention that clock is optional
- replace spaces with tabs in DT binding example
v3:
- splitted DT extension and binding documentation update into two patches
---
 Documentation/devicetree/bindings/rng/amlogic,meson-rng.txt | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

Comments

Rob Herring (Arm) Feb. 27, 2017, 10:34 p.m. UTC | #1

On Wed, Feb 22, 2017 at 07:59:08AM +0100, Heiner Kallweit wrote:
> Add clock to DT binding documentation.
> 
> Signed-off-by: Heiner Kallweit <[e-mail]>
> ---
> v2:
> - splitted first version of patch into two
> - add DT binding documentation
> - mention that clock is optional
> - replace spaces with tabs in DT binding example
> v3:
> - splitted DT extension and binding documentation update into two patches
> ---
>  Documentation/devicetree/bindings/rng/amlogic,meson-rng.txt | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)

Now the subject should really be: "dt-bindings: rng: ..."

Acked-by: Rob Herring <[e-mail]>

Patch

diff --git a/Documentation/devicetree/bindings/rng/amlogic,meson-rng.txt b/Documentation/devicetree/bindings/rng/amlogic,meson-rng.txt
index 202f2d09..4d403645 100644
--- a/Documentation/devicetree/bindings/rng/amlogic,meson-rng.txt
+++ b/Documentation/devicetree/bindings/rng/amlogic,meson-rng.txt
@@ -6,9 +6,16 @@  Required properties:
 - compatible : should be "amlogic,meson-rng"
 - reg : Specifies base physical address and size of the registers.
 
+Optional properties:
+
+- clocks : phandle to the following named clocks
+- clock-names: Name of core clock, must be "core"
+
 Example:
 
 rng {
-        compatible = "amlogic,meson-rng";
-        reg = <0x0 0xc8834000 0x0 0x4>;
+	compatible = "amlogic,meson-rng";
+	reg = <0x0 0xc8834000 0x0 0x4>;
+	clocks = <&clkc CLKID_RNG0>;
+	clock-names = "core";
 };