brcm2708: update to latest patches from RPi foundation

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0368-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0368-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch b/target/linux/brcm2708/patches-4.19/950-0368-overlays-Add-rv3028-backup-switchover-support-to-i2c.patch
new file mode 100644 (file)
index 0000000..769f246
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0368-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?",