diff mbox

[v5,10/15] devicetree: bindings: Document qcom,kpss-gcc

Message ID 1513698900-10638-11-git-send-email-sricharan@codeaurora.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sricharan Ramabadhran Dec. 19, 2017, 3:54 p.m. UTC
From: Stephen Boyd <sboyd@codeaurora.org>

The ACC and GCC regions present in KPSSv1 contain registers to
control clocks and power to each Krait CPU and L2. Documenting
the bindings here.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---
 .../devicetree/bindings/arm/msm/qcom,kpss-acc.txt  |  7 +++++
 .../devicetree/bindings/arm/msm/qcom,kpss-gcc.txt  | 32 ++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt

Comments

Rob Herring Dec. 20, 2017, 9:13 p.m. UTC | #1
On Tue, Dec 19, 2017 at 09:24:55PM +0530, Sricharan R wrote:
> From: Stephen Boyd <sboyd@codeaurora.org>
> 
> The ACC and GCC regions present in KPSSv1 contain registers to
> control clocks and power to each Krait CPU and L2. Documenting
> the bindings here.
> 
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
>  .../devicetree/bindings/arm/msm/qcom,kpss-acc.txt  |  7 +++++
>  .../devicetree/bindings/arm/msm/qcom,kpss-gcc.txt  | 32 ++++++++++++++++++++++
>  2 files changed, 39 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt

Reviewed-by: Rob Herring <robh@kernel.org>
Sricharan Ramabadhran Dec. 21, 2017, 9:27 a.m. UTC | #2
On 12/21/2017 2:43 AM, Rob Herring wrote:
> On Tue, Dec 19, 2017 at 09:24:55PM +0530, Sricharan R wrote:
>> From: Stephen Boyd <sboyd@codeaurora.org>
>>
>> The ACC and GCC regions present in KPSSv1 contain registers to
>> control clocks and power to each Krait CPU and L2. Documenting
>> the bindings here.
>>
>> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
>> ---
>>  .../devicetree/bindings/arm/msm/qcom,kpss-acc.txt  |  7 +++++
>>  .../devicetree/bindings/arm/msm/qcom,kpss-gcc.txt  | 32 ++++++++++++++++++++++
>>  2 files changed, 39 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt
> 
> Reviewed-by: Rob Herring <robh@kernel.org>

 Thanks !!

Regards,
 Sricharan
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt
index 1333db9..382a574 100644
--- a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-acc.txt
@@ -21,10 +21,17 @@  PROPERTIES
 		    the register region. An optional second element specifies
 		    the base address and size of the alias register region.
 
+- clock-output-names:
+	Usage: optional
+	Value type: <string>
+	Definition: Name of the output clock. Typically acpuX_aux where X is a
+		    CPU number starting at 0.
+
 Example:
 
 	clock-controller@2088000 {
 		compatible = "qcom,kpss-acc-v2";
 		reg = <0x02088000 0x1000>,
 		      <0x02008000 0x1000>;
+		clock-output-names = "acpu0_aux";
 	};
diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt
new file mode 100644
index 0000000..37fc0a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,kpss-gcc.txt
@@ -0,0 +1,32 @@ 
+Krait Processor Sub-system (KPSS) Global Clock Controller (GCC)
+
+PROPERTIES
+
+- compatible:
+	Usage: required
+	Value type: <string>
+	Definition: should be one of the following. The generic compatible
+			"qcom,kpss-gcc" should also be included.
+			"qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc"
+			"qcom,kpss-gcc-apq8064", "qcom,kpss-gcc"
+			"qcom,kpss-gcc-msm8974", "qcom,kpss-gcc"
+			"qcom,kpss-gcc-msm8960", "qcom,kpss-gcc"
+
+- reg:
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: base address and size of the register region
+
+- clock-output-names:
+	Usage: required
+	Value type: <string>
+	Definition: Name of the output clock. Typically acpu_l2_aux indicating
+		    an L2 cache auxiliary clock.
+
+Example:
+
+	l2cc: clock-controller@2011000 {
+		compatible = "qcom,kpss-gcc-ipq8064", "qcom,kpss-gcc";
+		reg = <0x2011000 0x1000>;
+		clock-output-names = "acpu_l2_aux";
+	};