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[PATCH v6 1/2] dt-bindings: brcm: clocks: add binding for brcmstb-cpu-clk-div

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  [PATCH v6 1/2] dt-bindings: brcm: clocks: add binding for brcmstb-cpu-clk-div Markus Mayer <code@mmayer.net> - 2017-02-02 00:30 +0100
    Re: [PATCH v6 1/2] dt-bindings: brcm: clocks: add binding for  brcmstb-cpu-clk-div Rob Herring <robh@kernel.org> - 2017-02-07 19:50 +0100
      Re: [PATCH v6 1/2] dt-bindings: brcm: clocks: add binding for brcmstb-cpu-clk-div Markus Mayer <markus.mayer@broadcom.com> - 2017-02-08 18:40 +0100

#1572049 — [PATCH v6 1/2] dt-bindings: brcm: clocks: add binding for brcmstb-cpu-clk-div

From: Markus Mayer <mmayer@broadcom.com>

Add binding document for brcm,brcmstb-cpu-clk-div.

Signed-off-by: Markus Mayer <mmayer@broadcom.com>
---
 .../bindings/clock/brcm,brcmstb-cpu-clk-div.txt    | 22 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 2 files changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/brcm,brcmstb-cpu-clk-div.txt

diff --git a/Documentation/devicetree/bindings/clock/brcm,brcmstb-cpu-clk-div.txt b/Documentation/devicetree/bindings/clock/brcm,brcmstb-cpu-clk-div.txt
new file mode 100644
index 0000000..7b6a8ce
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/brcm,brcmstb-cpu-clk-div.txt
@@ -0,0 +1,22 @@
+The CPU divider node serves as the sole clock for the CPU complex. It supports
+power-of-2 clock division, with a divider of "1" as the default highest-speed
+setting.
+
+Required properties:
+- compatible: shall be "brcm,brcmstb-cpu-clk-div"
+- reg: address and width of the divider configuration register
+- #clock-cells: shall be set to 0
+- clocks: phandle of clock provider which provides the source clock
+          (this would typically be a "fixed-clock" type PLL)
+
+Optional properties:
+- clock-names: the clock may be named
+
+Example:
+	cpuclkdiv: clock-controller@f03e257c {
+		compatible = "brcm,brcmstb-cpu-clk-div";
+		reg = <0xf03e257c 0x4>;
+		#clock-cells = <0>;
+		clocks = <&cpupll>;
+		clock-names = "cpupll";
+	};
diff --git a/MAINTAINERS b/MAINTAINERS
index cfff2c9..690761d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2786,6 +2786,7 @@ M:	bcm-kernel-feedback-list@broadcom.com
 L:	linux-pm@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/cpufreq/brcm,stb-avs-cpu-freq.txt
+F:	Documentation/devicetree/bindings/clock/brcm,brcmstb-cpu-clk-div.txt
 F:	drivers/cpufreq/brcmstb*
 
 BROADCOM SPECIFIC AMBA DRIVER (BCMA)
-- 
2.7.4

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#1575949 — Re: [PATCH v6 1/2] dt-bindings: brcm: clocks: add binding for brcmstb-cpu-clk-div

On Wed, Feb 01, 2017 at 03:26:37PM -0800, Markus Mayer wrote:
> From: Markus Mayer <mmayer@broadcom.com>
> 
> Add binding document for brcm,brcmstb-cpu-clk-div.
> 
> Signed-off-by: Markus Mayer <mmayer@broadcom.com>
> ---
>  .../bindings/clock/brcm,brcmstb-cpu-clk-div.txt    | 22 ++++++++++++++++++++++
>  MAINTAINERS                                        |  1 +
>  2 files changed, 23 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/brcm,brcmstb-cpu-clk-div.txt

Acked-by: Rob Herring <robh@kernel.org>

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#1576770

On 7 February 2017 at 10:41, Rob Herring <robh@kernel.org> wrote:
> On Wed, Feb 01, 2017 at 03:26:37PM -0800, Markus Mayer wrote:
>> From: Markus Mayer <mmayer@broadcom.com>
>>
>> Add binding document for brcm,brcmstb-cpu-clk-div.
>>
>> Signed-off-by: Markus Mayer <mmayer@broadcom.com>
>> ---
>>  .../bindings/clock/brcm,brcmstb-cpu-clk-div.txt    | 22 ++++++++++++++++++++++
>>  MAINTAINERS                                        |  1 +
>>  2 files changed, 23 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/clock/brcm,brcmstb-cpu-clk-div.txt
>
> Acked-by: Rob Herring <robh@kernel.org>

Actually, Stephen wasn't liking this too much.

See [1] for the conclusion of the ensuing discussion.

Regards,
-Markus

[1] https://lkml.org/lkml/2017/2/6/982

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