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f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
59 lines
1.6 KiB
Diff
59 lines
1.6 KiB
Diff
From 8688b06ae53d6f60adcdcfe3d58ad7ef0ed7dba0 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Mon, 5 Oct 2020 16:10:26 +0100
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Subject: [PATCH] overlays: Add sd3078 to the i2c-rtc overlay
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Add support for the SD3078 RTC to the i2c-rtc overlay.
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See: https://github.com/raspberrypi/linux/issues/3881
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/README | 2 ++
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arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 16 ++++++++++++++++
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2 files changed, 18 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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@@ -1232,6 +1232,8 @@ Params: abx80x Select o
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rv3028 Select the Micro Crystal RV3028 device
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+ sd3078 Select the ZXW Shenzhen whwave SD3078 device
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+
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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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--- 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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@@ -220,6 +220,21 @@
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};
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};
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+ fragment@14 {
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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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+ sd3078: sd3078@32 {
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+ compatible = "whwave,sd3078";
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+ reg = <0x32>;
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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>,"+0";
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ds1307 = <0>,"+1";
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@@ -235,6 +250,7 @@
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pcf2129 = <0>,"+11";
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pcf85363 = <0>,"+12";
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rv1805 = <0>,"+13";
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+ sd3078 = <0>,"+14";
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addr = <&abx80x>, "reg:0",
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<&ds1307>, "reg:0",
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