Applied "dt-bindings: sound: omap-mcpdm: Update documentation for pdmclk" to the asoc tree
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  • Applied "dt-bindings: sound: omap-mcpdm: Update documentation for pdmclk" to the asoc tree
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Mark Brown Nov. 28, 2018, 4:05 p.m. UTC
The patch

   dt-bindings: sound: omap-mcpdm: Update documentation for pdmclk

has been applied to the asoc tree at 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
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If any updates are required or you are submitting further changes they
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patches will not be replaced.

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From 22cc062c4dfb16330fe18e8d7e155d733fd59e61 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <>
Date: Wed, 14 Nov 2018 14:46:30 +0200
Subject: [PATCH] dt-bindings: sound: omap-mcpdm: Update documentation for

McPDM module receives it's functional clock from external source. This
clock is the pdmclk provided by the twl6040 audio IC. If the clock is not
available all register accesses to McPDM fails and the module is not

Signed-off-by: Peter Ujfalusi <>
Acked-by: Rob Herring <>
Signed-off-by: Mark Brown <>
 Documentation/devicetree/bindings/sound/omap-mcpdm.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff mbox series

diff --git a/Documentation/devicetree/bindings/sound/omap-mcpdm.txt b/Documentation/devicetree/bindings/sound/omap-mcpdm.txt
index 5f4e68ca228c..ff98a0cb5b3f 100644
--- a/Documentation/devicetree/bindings/sound/omap-mcpdm.txt
+++ b/Documentation/devicetree/bindings/sound/omap-mcpdm.txt
@@ -7,6 +7,8 @@  Required properties:
        <L3 interconnect address, size>;
 - interrupts: Interrupt number for McPDM
 - ti,hwmods: Name of the hwmod associated to the McPDM
+- clocks:  phandle for the pdmclk provider, likely <&twl6040>
+- clock-names: Must be "pdmclk"
@@ -18,3 +20,11 @@  mcpdm: mcpdm@40132000 {
 	interrupt-parent = <&gic>;
 	ti,hwmods = "mcpdm";
+In board DTS file the pdmclk needs to be added:
+&mcpdm {
+	clocks = <&twl6040>;
+	clock-names = "pdmclk";
+	status = "okay";