diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0355-overlays-Add-rv3028-to-i2c-rtc.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0355-overlays-Add-rv3028-to-i2c-rtc.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0355-overlays-Add-rv3028-to-i2c-rtc.patch b/target/linux/brcm2708/patches-4.19/950-0355-overlays-Add-rv3028-to-i2c-rtc.patch new file mode 100644 index 0000000000..22280224f1 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0355-overlays-Add-rv3028-to-i2c-rtc.patch @@ -0,0 +1,75 @@ +From 67dd8e4c8ccf5d331960c7e936e5b03a9f92496d Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Thu, 28 Mar 2019 13:26:59 +0000 +Subject: [PATCH] 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(-) + +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -939,6 +939,8 @@ Params: abx80x Select o + + 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 o + "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 +--- 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?", |