linux-kernel - [PATCH 5.3 045/140] ARM: dts: vf610-zii-scu4-aib: Specify i2c-mux-idle-disconnect

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Date:   Fri,  8 Nov 2019 19:49:33 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andrey Smirnov <andrew.smirnov@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Chris Healy <cphealy@...il.com>,
        Cory Tusar <cory.tusar@....aero>,
        Jeff White <jeff.white@....aero>,
        Rick Ramstetter <rick@...eaterllc.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 045/140] ARM: dts: vf610-zii-scu4-aib: Specify i2c-mux-idle-disconnect

From: Andrey Smirnov <andrew.smirnov@...il.com>

[ Upstream commit 71936a6d18c33c63b4e9e0359fb987306cbe9fae ]

Specify 'i2c-mux-idle-disconnect' for both I2C switches present on the
board, since both are connected to the same parent bus and all of
their children have the same I2C address.

Fixes: ca4b4d373fcc ("ARM: dts: vf610: Add ZII SCU4 AIB board")
Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: Chris Healy <cphealy@...il.com>
Cc: Cory Tusar <cory.tusar@....aero>
Cc: Jeff White <jeff.white@....aero>
Cc: Rick Ramstetter <rick@...eaterllc.com>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Fabio Estevam <festevam@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Tested-by: Chris Healy <cphealy@...il.com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/vf610-zii-scu4-aib.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
index d7019e89f5887..8136e0ca10d54 100644
--- a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
+++ b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
@@ -600,6 +600,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		reg = <0x70>;
+		i2c-mux-idle-disconnect;
 
 		sff0_i2c: i2c@1 {
 			#address-cells = <1>;
@@ -638,6 +639,7 @@
 		reg = <0x71>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		sff5_i2c: i2c@1 {
 			#address-cells = <1>;
-- 
2.20.1