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RPI kernel 4.19 support

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Ycarus 2019-04-22 17:10:09 +02:00
parent e79d4c1771
commit e253715ce5
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root/target/linux/brcm2708/patches-4.19/0401-overlays-Add-rv3028-to-i2c-rtc.patch Normal file
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@ -0,0 +1,82 @@
From 713922a3c449289e499d41ae8964166f77a48862 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Thu, 28 Mar 2019 13:26:59 +0000
Subject: [PATCH 401/432] overlays: Add rv3028 to i2c-rtc
See: https://github.com/raspberrypi/linux/issues/2912
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/overlays/README | 4 +++-
.../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 19 ++++++++++++++++++-
2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index b6fa4fa3388b..8b6a53ba64c4 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -939,6 +939,8 @@ Params: abx80x Select one of the ABx80x family:
pcf8563 Select the PCF8563 device
+ rv3028 Select the Micro Crystal RV3028 device
+
addr Sets the address for the RTC. Note that the
device must be configured to use the specified
address.
@@ -947,7 +949,7 @@ Params: abx80x Select one of the ABx80x family:
"schottky" (ABx80x only)
trickle-resistor-ohms Resistor value for trickle charge (DS1339,
- ABx80x)
+ ABx80x, RV3028)
wakeup-source Specify that the RTC can be used as a wakeup
source
diff --git a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
index 7f11b7c64638..55f443d23aee 100644
--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
@@ -158,6 +158,21 @@
};
};
+ fragment@10 {
+ target = <&i2c_arm>;
+ __dormant__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ rv3028: rv3028@52 {
+ compatible = "microcrystal,rv3028";
+ reg = <0x52>;
+ status = "okay";
+ };
+ };
+ };
+
__overrides__ {
abx80x = <0>,"+0";
ds1307 = <0>,"+1";
@@ -169,6 +184,7 @@
pcf8523 = <0>,"+7";
pcf8563 = <0>,"+8";
m41t62 = <0>,"+9";
+ rv3028 = <0>,"+10";
addr = <&abx80x>, "reg:0",
<&ds1307>, "reg:0",
@@ -182,7 +198,8 @@
<&m41t62>, "reg:0";
trickle-diode-type = <&abx80x>,"abracon,tc-diode";
trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
- <&abx80x>,"abracon,tc-resistor";
+ <&abx80x>,"abracon,tc-resistor",
+ <&rv3028>,"trickle-resistor-ohms:0";
wakeup-source = <&ds1339>,"wakeup-source?",
<&ds3231>,"wakeup-source?",
<&mcp7940x>,"wakeup-source?",
--
2.19.1