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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0370-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0370-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0370-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch b/target/linux/brcm2708/patches-4.19/950-0370-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch
new file mode 100644
index 0000000000..769f2461a0
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0370-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch
@@ -0,0 +1,34 @@
+From a2fdc7a590566d99d5261badeecb644664ff0fb3 Mon Sep 17 00:00:00 2001
+From: Phil Howard <phil@gadgetoid.com>
+Date: Fri, 29 Mar 2019 10:59:55 +0000
+Subject: [PATCH] overlays: Add rv3028 backup switchover support to
+ i2c-rtc
+
+Signed-off-by: Phil Howard <phil@pimoroni.com>
+---
+ arch/arm/boot/dts/overlays/README | 3 +++
+ arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 1 +
+ 2 files changed, 4 insertions(+)
+
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -1013,6 +1013,9 @@ Params: abx80x Select o
+ wakeup-source Specify that the RTC can be used as a wakeup
+ source
+
++ backup-switchover-mode Backup power supply switch mode. Must be 0 for
++ off or 1 for Vdd < VBackup (RV3028 only)
++
+
+ Name: i2c-rtc-gpio
+ Info: Adds support for a number of I2C Real Time Clock devices
+--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
++++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+@@ -200,6 +200,7 @@
+ trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
+ <&abx80x>,"abracon,tc-resistor",
+ <&rv3028>,"trickle-resistor-ohms:0";
++ backup-switchover-mode = <&rv3028>,"backup-switchover-mode:0";
+ wakeup-source = <&ds1339>,"wakeup-source?",
+ <&ds3231>,"wakeup-source?",
+ <&mcp7940x>,"wakeup-source?",