diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0981-overlays-Add-sd3078-to-the-i2c-rtc-overlay.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0981-overlays-Add-sd3078-to-the-i2c-rtc-overlay.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0981-overlays-Add-sd3078-to-the-i2c-rtc-overlay.patch b/target/linux/bcm27xx/patches-5.4/950-0981-overlays-Add-sd3078-to-the-i2c-rtc-overlay.patch new file mode 100644 index 0000000000..5df3d2ded9 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0981-overlays-Add-sd3078-to-the-i2c-rtc-overlay.patch @@ -0,0 +1,58 @@ +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", |