linux-kernel - [PATCH 1/2] dt-bindings: clock: qcom: Fix the xo parent in gpucc example

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Date:   Wed, 28 Nov 2018 10:57:42 -0800
From:   Douglas Anderson <dianders@...omium.org>
To:     Stephen Boyd <sboyd@...nel.org>, Andy Gross <andy.gross@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, Taniya Das <tdas@...eaurora.org>,
        "Kristian H . Kristensen" <hoegsberg@...omium.org>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Amit Nischal <anischal@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        devicetree@...r.kernel.org,
        Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-clk@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: clock: qcom: Fix the xo parent in gpucc example

In the bindings that landed for the gpucc we require that the XO clock
(one possible parent of the gpucc) be listed.  The code doesn't use
this yet--this is just to allow us to move toward the day when it does
use it.  What the code does do today is to hardcode the parent name to
"bi_tcxo".  That's all well and good.

...but the example in the bindings shows this clock mapping to the
clock "xo_board".  On the current sdm845.dtsi file the "xo_board"
clock is a fixed clock with an output name of "xo_board".  The clock
with the name "bi_tcxo" is actually provided by the RPMh Clock
Controller.  Presumably that's the one that was wanted.

Let's update the example to make this clearer.

Fixes: e431c92188a9 ("dt-bindings: clock: Introduce QCOM Graphics clock bindings")
Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

 Documentation/devicetree/bindings/clock/qcom,gpucc.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/clock/qcom,gpucc.txt b/Documentation/devicetree/bindings/clock/qcom,gpucc.txt
index 9d0358cc08b4..4e5215ef1acd 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gpucc.txt
+++ b/Documentation/devicetree/bindings/clock/qcom,gpucc.txt
@@ -17,6 +17,6 @@ Example:
 		#clock-cells = <1>;
 		#reset-cells = <1>;
 		#power-domain-cells = <1>;
-		clocks = <&xo_board>;
+		clocks = <&rpmhcc RPMH_CXO_CLK>;
 		clock-names = "xo";
 	};
-- 
2.20.0.rc0.387.gc7a69e6b6c-goog