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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0157-overlays-Add-addr-parameter-to-i2c-rtc-gpio.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0157-overlays-Add-addr-parameter-to-i2c-rtc-gpio.patch111
1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0157-overlays-Add-addr-parameter-to-i2c-rtc-gpio.patch b/target/linux/brcm2708/patches-4.19/950-0157-overlays-Add-addr-parameter-to-i2c-rtc-gpio.patch
new file mode 100644
index 0000000000..e20f87c309
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0157-overlays-Add-addr-parameter-to-i2c-rtc-gpio.patch
@@ -0,0 +1,111 @@
+From ac46f67a7cd528da77a0483989ad41a71af1d9e5 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Mon, 9 Jul 2018 21:11:32 +0100
+Subject: [PATCH 157/703] overlays: Add addr parameter to i2c-rtc (& -gpio)
+
+See: https://github.com/raspberrypi/linux/issues/2611
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/README | 10 +++++++
+ .../dts/overlays/i2c-rtc-gpio-overlay.dts | 28 +++++++++++++++++++
+ .../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 11 ++++++++
+ 3 files changed, 49 insertions(+)
+
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -817,6 +817,10 @@ Params: abx80x Select o
+
+ pcf8563 Select the PCF8563 device
+
++ addr Sets the address for the RTC. Note that the
++ device must be configured to use the specified
++ address.
++
+ trickle-diode-type Diode type for trickle charge - "standard" or
+ "schottky" (ABx80x only)
+
+@@ -841,6 +845,8 @@ Params: abx80x Select o
+
+ ds3231 Select the DS3231 device
+
++ m41t62 Select the M41T62 device
++
+ mcp7940x Select the MCP7940x device
+
+ mcp7941x Select the MCP7941x device
+@@ -851,6 +857,10 @@ Params: abx80x Select o
+
+ pcf8563 Select the PCF8563 device
+
++ addr Sets the address for the RTC. Note that the
++ device must be configured to use the specified
++ address.
++
+ trickle-diode-type Diode type for trickle charge - "standard" or
+ "schottky" (ABx80x only)
+
+--- a/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
++++ b/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
+@@ -159,6 +159,21 @@
+ };
+ };
+
++ fragment@10 {
++ target = <&i2c_arm>;
++ __dormant__ {
++ #address-cells = <1>;
++ #size-cells = <0>;
++ status = "okay";
++
++ m41t62: m41t62@68 {
++ compatible = "st,m41t62";
++ reg = <0x68>;
++ status = "okay";
++ };
++ };
++ };
++
+ __overrides__ {
+ abx80x = <0>,"+1";
+ ds1307 = <0>,"+2";
+@@ -169,6 +184,19 @@
+ pcf2127 = <0>,"+7";
+ pcf8523 = <0>,"+8";
+ pcf8563 = <0>,"+9";
++ m41t62 = <0>,"+10";
++
++ addr = <&abx80x>, "reg:0",
++ <&ds1307>, "reg:0",
++ <&ds1339>, "reg:0",
++ <&ds3231>, "reg:0",
++ <&mcp7940x>, "reg:0",
++ <&mcp7941x>, "reg:0",
++ <&pcf2127>, "reg:0",
++ <&pcf8523>, "reg:0",
++ <&pcf8563>, "reg:0",
++ <&m41t62>, "reg:0";
++
+ trickle-diode-type = <&abx80x>,"abracon,tc-diode";
+ trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
+ <&abx80x>,"abracon,tc-resistor";
+--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
++++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
+@@ -169,6 +169,17 @@
+ pcf8523 = <0>,"+7";
+ pcf8563 = <0>,"+8";
+ m41t62 = <0>,"+9";
++
++ addr = <&abx80x>, "reg:0",
++ <&ds1307>, "reg:0",
++ <&ds1339>, "reg:0",
++ <&ds3231>, "reg:0",
++ <&mcp7940x>, "reg:0",
++ <&mcp7941x>, "reg:0",
++ <&pcf2127>, "reg:0",
++ <&pcf8523>, "reg:0",
++ <&pcf8563>, "reg:0",
++ <&m41t62>, "reg:0";
+ trickle-diode-type = <&abx80x>,"abracon,tc-diode";
+ trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0",
+ <&abx80x>,"abracon,tc-resistor";