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112 lines
3.5 KiB
Diff
112 lines
3.5 KiB
Diff
From 20dbf906033167e7c4296eee07437d52627d8ccf Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 9 Jul 2018 21:11:32 +0100
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Subject: [PATCH 157/806] overlays: Add addr parameter to i2c-rtc (& -gpio)
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See: https://github.com/raspberrypi/linux/issues/2611
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/overlays/README | 10 +++++++
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.../dts/overlays/i2c-rtc-gpio-overlay.dts | 28 +++++++++++++++++++
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.../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 11 ++++++++
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3 files changed, 49 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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@@ -817,6 +817,10 @@ Params: abx80x Select o
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pcf8563 Select the PCF8563 device
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+ addr Sets the address for the RTC. Note that the
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+ device must be configured to use the specified
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+ address.
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+
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trickle-diode-type Diode type for trickle charge - "standard" or
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"schottky" (ABx80x only)
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@@ -841,6 +845,8 @@ Params: abx80x Select o
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ds3231 Select the DS3231 device
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+ m41t62 Select the M41T62 device
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+
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mcp7940x Select the MCP7940x device
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mcp7941x Select the MCP7941x device
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@@ -851,6 +857,10 @@ Params: abx80x Select o
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pcf8563 Select the PCF8563 device
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+ addr Sets the address for the RTC. Note that the
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+ device must be configured to use the specified
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+ address.
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+
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trickle-diode-type Diode type for trickle charge - "standard" or
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"schottky" (ABx80x only)
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--- a/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
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@@ -159,6 +159,21 @@
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};
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};
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+ fragment@10 {
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+ target = <&i2c_arm>;
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+ __dormant__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ m41t62: m41t62@68 {
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+ compatible = "st,m41t62";
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+ reg = <0x68>;
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+ status = "okay";
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+ };
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+ };
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+ };
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+
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__overrides__ {
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abx80x = <0>,"+1";
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ds1307 = <0>,"+2";
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@@ -169,6 +184,19 @@
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pcf2127 = <0>,"+7";
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pcf8523 = <0>,"+8";
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pcf8563 = <0>,"+9";
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+ m41t62 = <0>,"+10";
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+
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+ addr = <&abx80x>, "reg:0",
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+ <&ds1307>, "reg:0",
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+ <&ds1339>, "reg:0",
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+ <&ds3231>, "reg:0",
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+ <&mcp7940x>, "reg:0",
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+ <&mcp7941x>, "reg:0",
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+ <&pcf2127>, "reg:0",
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+ <&pcf8523>, "reg:0",
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+ <&pcf8563>, "reg:0",
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+ <&m41t62>, "reg:0";
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+
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trickle-diode-type = <&abx80x>,"abracon,tc-diode";
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trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
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<&abx80x>,"abracon,tc-resistor";
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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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@@ -169,6 +169,17 @@
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pcf8523 = <0>,"+7";
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pcf8563 = <0>,"+8";
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m41t62 = <0>,"+9";
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+
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+ addr = <&abx80x>, "reg:0",
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+ <&ds1307>, "reg:0",
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+ <&ds1339>, "reg:0",
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+ <&ds3231>, "reg:0",
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+ <&mcp7940x>, "reg:0",
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+ <&mcp7941x>, "reg:0",
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+ <&pcf2127>, "reg:0",
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+ <&pcf8523>, "reg:0",
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+ <&pcf8563>, "reg:0",
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+ <&m41t62>, "reg:0";
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trickle-diode-type = <&abx80x>,"abracon,tc-diode";
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trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
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<&abx80x>,"abracon,tc-resistor";
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