| From 8688b06ae53d6f60adcdcfe3d58ad7ef0ed7dba0 Mon Sep 17 00:00:00 2001 |
| From: Phil Elwell <phil@raspberrypi.com> |
| Date: Mon, 5 Oct 2020 16:10:26 +0100 |
| Subject: [PATCH] overlays: Add sd3078 to the i2c-rtc overlay |
| |
| Add support for the SD3078 RTC to the i2c-rtc overlay. |
| |
| See: https://github.com/raspberrypi/linux/issues/3881 |
| |
| Signed-off-by: Phil Elwell <phil@raspberrypi.com> |
| --- |
| arch/arm/boot/dts/overlays/README | 2 ++ |
| arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 16 ++++++++++++++++ |
| 2 files changed, 18 insertions(+) |
| |
| --- a/arch/arm/boot/dts/overlays/README |
| +++ b/arch/arm/boot/dts/overlays/README |
| @@ -1232,6 +1232,8 @@ Params: abx80x Select o |
| |
| rv3028 Select the Micro Crystal RV3028 device |
| |
| + sd3078 Select the ZXW Shenzhen whwave SD3078 device |
| + |
| addr Sets the address for the RTC. Note that the |
| device must be configured to use the specified |
| address. |
| --- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts |
| +++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts |
| @@ -220,6 +220,21 @@ |
| }; |
| }; |
| |
| + fragment@14 { |
| + target = <&i2c_arm>; |
| + __dormant__ { |
| + #address-cells = <1>; |
| + #size-cells = <0>; |
| + status = "okay"; |
| + |
| + sd3078: sd3078@32 { |
| + compatible = "whwave,sd3078"; |
| + reg = <0x32>; |
| + status = "okay"; |
| + }; |
| + }; |
| + }; |
| + |
| __overrides__ { |
| abx80x = <0>,"+0"; |
| ds1307 = <0>,"+1"; |
| @@ -235,6 +250,7 @@ |
| pcf2129 = <0>,"+11"; |
| pcf85363 = <0>,"+12"; |
| rv1805 = <0>,"+13"; |
| + sd3078 = <0>,"+14"; |
| |
| addr = <&abx80x>, "reg:0", |
| <&ds1307>, "reg:0", |