linux-kernel - [PATCH RESEND v4 2/3] mfd: madera: Update DT binding document to support clock supplies

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Message-ID: <20191021135813.13571-2-ckeepax@opensource.cirrus.com>
Date:   Mon, 21 Oct 2019 14:58:12 +0100
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     <lee.jones@...aro.org>
CC:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>
Subject: [PATCH RESEND v4 2/3] mfd: madera: Update DT binding document to support clock supplies

Add the 3 input clock sources for the chip into the device tree binding
document.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---
 Documentation/devicetree/bindings/mfd/madera.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/madera.txt b/Documentation/devicetree/bindings/mfd/madera.txt
index cad0f28005027..47e2b8bc60519 100644
--- a/Documentation/devicetree/bindings/mfd/madera.txt
+++ b/Documentation/devicetree/bindings/mfd/madera.txt
@@ -67,6 +67,14 @@ Optional properties:
     As defined in bindings/gpio.txt.
     Although optional, it is strongly recommended to use a hardware reset
 
+  - clocks: Should reference the clocks supplied on MCLK1, MCLK2 and MCLK3
+  - clock-names: May contain up to three strings:
+      "mclk1" for the clock supplied on MCLK1, recommended to be a high
+      quality audio reference clock
+      "mclk2" for the clock supplied on MCLK2, required to be an always on
+      32k clock
+      "mclk3" for the clock supplied on MCLK3
+
   - MICBIASx : Initial data for the MICBIAS regulators, as covered in
     Documentation/devicetree/bindings/regulator/regulator.txt.
     One for each MICBIAS generator (MICBIAS1, MICBIAS2, ...)
-- 
2.11.0