* [PATCH] ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
@ 2019-10-04 5:41 Andrey Smirnov
2019-10-04 21:52 ` Chris Healy
2019-10-14 11:37 ` Shawn Guo
0 siblings, 2 replies; 3+ messages in thread
From: Andrey Smirnov @ 2019-10-04 5:41 UTC (permalink / raw)
To: Shawn Guo
Cc: Cory Tusar, Rick Ramstetter, devicetree, Andrey Smirnov,
Jeff White, linux-kernel, linux-arm-kernel, Fabio Estevam,
Chris Healy, Lucas Stach
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@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Cory Tusar <cory.tusar@zii.aero>
Cc: Jeff White <jeff.white@zii.aero>
Cc: Rick Ramstetter <rick@anteaterllc.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
Shawn:
If this is possible, I'd like this one to go into 5.4.
Thanks,
Andrey Smirnov
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 dc8a5f37a1ef..c8ebb23c4e02 100644
--- a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
+++ b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
@@ -602,6 +602,7 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
+ i2c-mux-idle-disconnect;
sff0_i2c: i2c@1 {
#address-cells = <1>;
@@ -640,6 +641,7 @@
reg = <0x71>;
#address-cells = <1>;
#size-cells = <0>;
+ i2c-mux-idle-disconnect;
sff5_i2c: i2c@1 {
#address-cells = <1>;
--
2.21.0
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
2019-10-04 5:41 [PATCH] ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect' Andrey Smirnov
@ 2019-10-04 21:52 ` Chris Healy
2019-10-14 11:37 ` Shawn Guo
1 sibling, 0 replies; 3+ messages in thread
From: Chris Healy @ 2019-10-04 21:52 UTC (permalink / raw)
To: Andrey Smirnov
Cc: Cory Tusar, Rick Ramstetter, devicetree, Fabio Estevam,
Jeff White, linux-kernel, Shawn Guo, linux ARM, Lucas Stach
On Thu, Oct 3, 2019 at 10:41 PM Andrey Smirnov <andrew.smirnov@gmail.com> wrote:
>
> 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@gmail.com>
> Cc: Shawn Guo <shawnguo@kernel.org>
> Cc: Chris Healy <cphealy@gmail.com>
> Cc: Cory Tusar <cory.tusar@zii.aero>
> Cc: Jeff White <jeff.white@zii.aero>
> Cc: Rick Ramstetter <rick@anteaterllc.com>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> Cc: Fabio Estevam <festevam@gmail.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: devicetree@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
> Shawn:
>
> If this is possible, I'd like this one to go into 5.4.
>
> Thanks,
> Andrey Smirnov
>
> 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 dc8a5f37a1ef..c8ebb23c4e02 100644
> --- a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
> +++ b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
> @@ -602,6 +602,7 @@
> #address-cells = <1>;
> #size-cells = <0>;
> reg = <0x70>;
> + i2c-mux-idle-disconnect;
>
> sff0_i2c: i2c@1 {
> #address-cells = <1>;
> @@ -640,6 +641,7 @@
> reg = <0x71>;
> #address-cells = <1>;
> #size-cells = <0>;
> + i2c-mux-idle-disconnect;
>
> sff5_i2c: i2c@1 {
> #address-cells = <1>;
> --
> 2.21.0
>
On an SCU4 AIB, this series is:
Tested-by: Chris Healy <cphealy@gmail.com>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
2019-10-04 5:41 [PATCH] ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect' Andrey Smirnov
2019-10-04 21:52 ` Chris Healy
@ 2019-10-14 11:37 ` Shawn Guo
1 sibling, 0 replies; 3+ messages in thread
From: Shawn Guo @ 2019-10-14 11:37 UTC (permalink / raw)
To: Andrey Smirnov
Cc: Cory Tusar, Rick Ramstetter, devicetree, Jeff White,
linux-kernel, linux-arm-kernel, Fabio Estevam, Chris Healy,
Lucas Stach
On Thu, Oct 03, 2019 at 10:41:15PM -0700, Andrey Smirnov wrote:
> 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@gmail.com>
> Cc: Shawn Guo <shawnguo@kernel.org>
> Cc: Chris Healy <cphealy@gmail.com>
> Cc: Cory Tusar <cory.tusar@zii.aero>
> Cc: Jeff White <jeff.white@zii.aero>
> Cc: Rick Ramstetter <rick@anteaterllc.com>
> Cc: Lucas Stach <l.stach@pengutronix.de>
> Cc: Fabio Estevam <festevam@gmail.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: devicetree@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
> Shawn:
>
> If this is possible, I'd like this one to go into 5.4.
Okay, applied as fix.
Shawn
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-10-04 5:41 [PATCH] ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect' Andrey Smirnov
2019-10-04 21:52 ` Chris Healy
2019-10-14 11:37 ` Shawn Guo
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