011f2c26f1
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
58 lines
1.8 KiB
Diff
58 lines
1.8 KiB
Diff
From d1235b349a4f89dec0738692494373471acb3a36 Mon Sep 17 00:00:00 2001
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From: Nicolas Boullis <nboullis@debian.org>
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Date: Wed, 23 Mar 2016 23:40:15 +0100
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Subject: [PATCH] BCM270X_DT: Add DS1339 to i2c-rtc overlay
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---
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arch/arm/boot/dts/overlays/README | 4 ++++
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arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 8 ++++++++
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2 files changed, 12 insertions(+)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -371,6 +371,8 @@ Info: Adds support for a number of I2C
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Load: dtoverlay=i2c-rtc,<param>=<val>
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Params: ds1307 Select the DS1307 device
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+ ds1339 Select the DS1339 device
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+
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ds3231 Select the DS3231 device
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mcp7941x Select the MCP7941x device
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@@ -381,6 +383,8 @@ Params: ds1307 Select t
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pcf8563 Select the PCF8563 device
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+ trickle-resistor-ohms Resistor value for trickle charge (DS1339-only)
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+
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Name: i2c0-bcm2708
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Info: Enable the i2c_bcm2708 driver for the i2c0 bus
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--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
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@@ -17,6 +17,12 @@
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reg = <0x68>;
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status = "disable";
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};
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+ ds1339: ds1339@68 {
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+ compatible = "dallas,ds1339";
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+ trickle-resistor-ohms = <0>;
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+ reg = <0x68>;
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+ status = "disable";
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+ };
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mcp7941x: mcp7941x@6f {
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compatible = "microchip,mcp7941x";
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reg = <0x6f>;
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@@ -46,10 +52,12 @@
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};
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__overrides__ {
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ds1307 = <&ds1307>,"status";
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+ ds1339 = <&ds1339>,"status";
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ds3231 = <&ds3231>,"status";
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mcp7941x = <&mcp7941x>,"status";
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pcf2127 = <&pcf2127>,"status";
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pcf8523 = <&pcf8523>,"status";
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pcf8563 = <&pcf8563>,"status";
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+ trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0";
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};
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};
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