[v7,4/8] Documentation: bindings: add dt documentation for dfi controller
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Message ID 1471836984-6316-5-git-send-email-hl@rock-chips.com
State New
Headers show

Commit Message

huang lin Aug. 22, 2016, 3:36 a.m. UTC
This patch adds the documentation for rockchip dfi devfreq-event driver.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v7:
-None

Changes in v6:
-None

Changes in v5:
-None

Changes in v4:
-None

Changes in v3:
-None

Changes in v2:
-None 

Changes in v1:
-None
 .../bindings/devfreq/event/rockchip-dfi.txt          | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt

Comments

Chanwoo Choi Aug. 23, 2016, 5:23 a.m. UTC | #1
Hi Lin,

On 2016년 08월 22일 12:36, Lin Huang wrote:
> This patch adds the documentation for rockchip dfi devfreq-event driver.
> 
> Signed-off-by: Lin Huang <hl@rock-chips.com>
> ---
> Changes in v7:
> -None
> 
> Changes in v6:
> -None
> 
> Changes in v5:
> -None
> 
> Changes in v4:
> -None
> 
> Changes in v3:
> -None
> 
> Changes in v2:
> -None 
> 
> Changes in v1:
> -None
>  .../bindings/devfreq/event/rockchip-dfi.txt          | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
> 
> diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
> new file mode 100644
> index 0000000..bf42255
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
> @@ -0,0 +1,20 @@
> +
> +* Rockchip rk3399 DFI device
> +
> +Required properties:
> +- compatible: Must be "rockchip,rk3399-dfi".
> +- reg: physical base address of each DFI and length of memory mapped region
> +- rockchip,pmu: phandle to the syscon managing the "pmu general register files"
> +- clocks: phandles for clock specified in "clock-names" property
> +- clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon";
> +
> +Example:
> +	dfi: dfi@0xff630000 {
> +		reg = <0x00 0xff630000 0x00 0x4000>;
> +		compatible = "rockchip,rk3399-dfi";
> +		rockchip,pmu = <&pmugrf>;
> +		clocks = <&cru PCLK_DDR_MON>;
> +		clock-names = "pclk_ddr_mon";
> +		status = "disabled";
> +	};
> +
> 

I reviewed this patch on previous version[1] already.
[1] https://lkml.org/lkml/2016/8/16/913

There are minor requirement. If you modify it,
I'll finish the review of this patch.

Patch
diff mbox

diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
new file mode 100644
index 0000000..bf42255
--- /dev/null
+++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
@@ -0,0 +1,20 @@ 
+
+* Rockchip rk3399 DFI device
+
+Required properties:
+- compatible: Must be "rockchip,rk3399-dfi".
+- reg: physical base address of each DFI and length of memory mapped region
+- rockchip,pmu: phandle to the syscon managing the "pmu general register files"
+- clocks: phandles for clock specified in "clock-names" property
+- clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon";
+
+Example:
+	dfi: dfi@0xff630000 {
+		reg = <0x00 0xff630000 0x00 0x4000>;
+		compatible = "rockchip,rk3399-dfi";
+		rockchip,pmu = <&pmugrf>;
+		clocks = <&cru PCLK_DDR_MON>;
+		clock-names = "pclk_ddr_mon";
+		status = "disabled";
+	};
+