* [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC
@ 2019-02-13 1:45 Fabio Estevam
2019-02-13 1:45 ` [PATCH 2/2] ARM: dts: vf610-zii-ssmb-spu3: Disable watchdog Fabio Estevam
2019-02-13 3:34 ` [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC Andrew Lunn
0 siblings, 2 replies; 3+ messages in thread
From: Fabio Estevam @ 2019-02-13 1:45 UTC (permalink / raw)
To: shawnguo; +Cc: andrew.smirnov, Fabio Estevam, cphealy, linux-arm-kernel
None of these vf610-zii boards have a battery or super-capacitor
holding up power to the SNVS RTC embedded in the Vybrid SoC,
so it is preferable to disable the snvsrtc node.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
arch/arm/boot/dts/vf610-zii-cfu1.dts | 4 ++++
arch/arm/boot/dts/vf610-zii-scu4-aib.dts | 4 ++++
arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts | 4 ++++
3 files changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/vf610-zii-cfu1.dts b/arch/arm/boot/dts/vf610-zii-cfu1.dts
index 445c7dc306b2..440de578d8af 100644
--- a/arch/arm/boot/dts/vf610-zii-cfu1.dts
+++ b/arch/arm/boot/dts/vf610-zii-cfu1.dts
@@ -236,6 +236,10 @@
};
};
+&snvsrtc {
+ status = "disabled";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
diff --git a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
index de6dfa57bec5..e3952e9ea0db 100644
--- a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
+++ b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
@@ -671,6 +671,10 @@
};
};
+&snvsrtc {
+ status = "disabled";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
diff --git a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
index 0d9fe5ac83a3..6df3ef979eb0 100644
--- a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
+++ b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
@@ -219,6 +219,10 @@
};
};
+&snvsrtc {
+ status = "disabled";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
--
2.17.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] ARM: dts: vf610-zii-ssmb-spu3: Disable watchdog
2019-02-13 1:45 [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC Fabio Estevam
@ 2019-02-13 1:45 ` Fabio Estevam
2019-02-13 3:34 ` [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC Andrew Lunn
1 sibling, 0 replies; 3+ messages in thread
From: Fabio Estevam @ 2019-02-13 1:45 UTC (permalink / raw)
To: shawnguo; +Cc: andrew.smirnov, Fabio Estevam, cphealy, linux-arm-kernel
On vf610-zii-ssmb-spu3 board there is a supervisory microcontroller that
provides the watchdog functionality, so disable the on-chip Vybrid's
watchdog.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
---
arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
index 6df3ef979eb0..e10603bdd18f 100644
--- a/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
+++ b/arch/arm/boot/dts/vf610-zii-ssmb-spu3.dts
@@ -254,6 +254,10 @@
};
};
+&wdoga5 {
+ status = "disabled";
+};
+
&iomuxc {
pinctrl_dspi1: dspi1grp {
fsl,pins = <
--
2.17.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC
2019-02-13 1:45 [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC Fabio Estevam
2019-02-13 1:45 ` [PATCH 2/2] ARM: dts: vf610-zii-ssmb-spu3: Disable watchdog Fabio Estevam
@ 2019-02-13 3:34 ` Andrew Lunn
1 sibling, 0 replies; 3+ messages in thread
From: Andrew Lunn @ 2019-02-13 3:34 UTC (permalink / raw)
To: Fabio Estevam; +Cc: andrew.smirnov, shawnguo, linux-arm-kernel, cphealy
On Tue, Feb 12, 2019 at 11:45:48PM -0200, Fabio Estevam wrote:
> None of these vf610-zii boards have a battery or super-capacitor
> holding up power to the SNVS RTC embedded in the Vybrid SoC,
> so it is preferable to disable the snvsrtc node.
Hi Fabio
Another vf610-zii board was merged last week, ssmb-dtu. You might want
expand your patch to include that.
Andrew
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^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2019-02-13 3:35 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2019-02-13 1:45 [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC Fabio Estevam
2019-02-13 1:45 ` [PATCH 2/2] ARM: dts: vf610-zii-ssmb-spu3: Disable watchdog Fabio Estevam
2019-02-13 3:34 ` [PATCH 1/2] ARM: dts: vf610-zii: Disable SNVS RTC Andrew Lunn
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