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Message-Id: <20240909221501.806515-1-tharvey@gateworks.com>
Date: Mon, 9 Sep 2024 15:15:01 -0700
From: Tim Harvey <tharvey@...eworks.com>
To: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
Li Yang <leoyang.li@....com>,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org
Cc: Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH] arm64: dts: imx8mm-venice-*: add RTC aliases
Add aliases for the RTCs on the Gateworks Venice boards and on the imx8m
SoC. This ensures that the primary RTC is always the one on-board
provided by the Gateworks System Controller (GSC) which is battery
backed as opposed to the one in the IMX8M.
Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi | 7 ++++++-
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts | 4 +++-
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts | 4 +++-
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts | 4 +++-
arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts | 7 ++++++-
arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts | 4 +++-
arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi | 4 +++-
arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts | 4 +++-
8 files changed, 30 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
index 36803b038cd5..5a3b1142ddf4 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi
@@ -9,6 +9,11 @@
#include <dt-bindings/net/ti-dp83867.h>
/ {
+ aliases {
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
+ };
+
memory@...00000 {
device_type = "memory";
reg = <0x0 0x40000000 0 0x80000000>;
@@ -292,7 +297,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
index 35ae0faa815b..d8b67e12f7d7 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
@@ -22,6 +22,8 @@ aliases {
ethernet2 = &lan2;
ethernet3 = &lan3;
ethernet4 = &lan4;
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
usb0 = &usbotg1;
usb1 = &usbotg2;
};
@@ -497,7 +499,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
index c11260c26d0b..46d1ee0a4ee8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts
@@ -19,6 +19,8 @@ / {
aliases {
ethernet1 = ð1;
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
usb0 = &usbotg1;
usb1 = &usbotg2;
};
@@ -564,7 +566,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts
index db1737bf637d..c0aadff4e25b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dts
@@ -18,6 +18,8 @@ / {
aliases {
ethernet0 = &fec1;
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
usb0 = &usbotg1;
};
@@ -394,7 +396,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
index 05489a31e7fd..86a610de84fe 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7904.dts
@@ -16,6 +16,11 @@ / {
model = "Gateworks Venice GW7904 i.MX8MM board";
compatible = "gateworks,imx8mm-gw7904", "fsl,imx8mm";
+ aliases {
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
+ };
+
chosen {
stdout-path = &uart2;
};
@@ -438,7 +443,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
index 0b1fa04f1d67..30c286b34aa5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts
@@ -17,6 +17,8 @@ / {
compatible = "gw,imx8mn-gw7902", "fsl,imx8mn";
aliases {
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
usb0 = &usbotg1;
};
@@ -562,7 +564,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi
index f0211a96855b..d34701409e88 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw702x.dtsi
@@ -11,6 +11,8 @@
/ {
aliases {
ethernet0 = &eqos;
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
};
memory@...00000 {
@@ -280,7 +282,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
index 8a04b66a4afc..9a515f25e218 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw74xx.dts
@@ -25,6 +25,8 @@ aliases {
ethernet4 = &lan3;
ethernet5 = &lan4;
ethernet6 = &lan5;
+ rtc0 = &gsc_rtc;
+ rtc1 = &snvs_rtc;
};
chosen {
@@ -481,7 +483,7 @@ eeprom@53 {
pagesize = <16>;
};
- rtc@68 {
+ gsc_rtc: rtc@68 {
compatible = "dallas,ds1672";
reg = <0x68>;
};
--
2.25.1
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