From ecfd415e5ae3fc05bf0c2b16a80f1d3e00447896 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Mon, 7 Dec 2020 08:49:53 +0000
Subject: [PATCH] overlays: Add PCF85063 and PCF85063A to i2c-rtc
Add support for the PCF85063 and PCF85063A RTC devices to the
i2c-rtc overlay.
Also enable the device to be used on i2c0 (i2c_vc) on GPIOs 0&1 (use
parameter "i2c0") and GPIOs 44 & 45 (use parameter "i2c_csi_dsi").
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/overlays/README | 8 ++
.../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 98 ++++++++++---------
2 files changed, 61 insertions(+), 45 deletions(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1243,6 +1243,10 @@ Params: abx80x Select o
pcf2129 Select the PCF2129 device
+ pcf85063 Select the PCF85363 device
+
+ pcf85063a Select the PCF85363A device
+
pcf8523 Select the PCF8523 device
pcf85363 Select the PCF85363 device
@@ -1255,6 +1259,10 @@ Params: abx80x Select o
sd3078 Select the ZXW Shenzhen whwave SD3078 device
+ i2c0 Choose the I2C0 bus on GPIOs 0&1
+
+ i2c_csi_dsi Choose the I2C0 bus on GPIOs 44&45
+
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
@@ -6,235 +6,238 @@
compatible = "brcm,bcm2835";
fragment@0 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
abx80x: abx80x@69 {
compatible = "abracon,abx80x";
reg = <0x69>;
abracon,tc-diode = "standard";
abracon,tc-resistor = <0>;
- status = "okay";
};
};
};
fragment@1 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
ds1307: ds1307@68 {
compatible = "dallas,ds1307";
reg = <0x68>;
- status = "okay";
};
};
};
fragment@2 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
ds1339: ds1339@68 {
compatible = "dallas,ds1339";
trickle-resistor-ohms = <0>;
reg = <0x68>;
- status = "okay";
};
};
};
fragment@3 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
ds3231: ds3231@68 {
compatible = "maxim,ds3231";
reg = <0x68>;
- status = "okay";
};
};
};
fragment@4 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
mcp7940x: mcp7940x@6f {
compatible = "microchip,mcp7940x";
reg = <0x6f>;
- status = "okay";
};
};
};
fragment@5 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
mcp7941x: mcp7941x@6f {
compatible = "microchip,mcp7941x";
reg = <0x6f>;
- status = "okay";
};
};
};
fragment@6 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
pcf2127@51 {
compatible = "nxp,pcf2127";
reg = <0x51>;
- status = "okay";
};
};
};
fragment@7 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
pcf8523: pcf8523@68 {
compatible = "nxp,pcf8523";
reg = <0x68>;
- status = "okay";
};
};
};
fragment@8 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
pcf8563: pcf8563@51 {
compatible = "nxp,pcf8563";
reg = <0x51>;
- status = "okay";
};
};
};
fragment@9 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
m41t62: m41t62@68 {
compatible = "st,m41t62";
reg = <0x68>;
- status = "okay";
};
};
};
fragment@10 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
rv3028: rv3028@52 {
compatible = "microcrystal,rv3028";
reg = <0x52>;
- status = "okay";
};
};
};
fragment@11 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
pcf2129@51 {
compatible = "nxp,pcf2129";
reg = <0x51>;
- status = "okay";
};
};
};
fragment@12 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
pcf85363@51 {
compatible = "nxp,pcf85363";
reg = <0x51>;
- status = "okay";
};
};
};
fragment@13 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
rv1805: rv1805@69 {
compatible = "microcrystal,rv1805";
reg = <0x69>;
abracon,tc-diode = "standard";
abracon,tc-resistor = <0>;
- status = "okay";
};
};
};
fragment@14 {
- target = <&i2c_arm>;
+ target = <&i2cbus>;
__dormant__ {
#address-cells = <1>;
#size-cells = <0>;
- status = "okay";
sd3078: sd3078@32 {
compatible = "whwave,sd3078";
reg = <0x32>;
- status = "okay";
};
};
};
+ fragment@15 {
+ target = <&i2cbus>;
+ __dormant__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pcf85063@51 {
+ compatible = "nxp,pcf85063";
+ reg = <0x51>;
+ };
+ };
+ };
+
+ fragment@16 {
+ target = <&i2cbus>;
+ __dormant__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pcf85063a@51 {
+ compatible = "nxp,pcf85063a";
+ reg = <0x51>;
+ };
+ };
+ };
+
+ frag100: fragment@100 {
+ target = <&i2c_arm>;
+ i2cbus: __overlay__ {
+ status = "okay";
+ };
+ };
+
__overrides__ {
abx80x = <0>,"+0";
ds1307 = <0>,"+1";
@@ -251,6 +254,11 @@
pcf85363 = <0>,"+12";
rv1805 = <0>,"+13";
sd3078 = <0>,"+14";
+ pcf85063 = <0>,"+15";
+ pcf85063a = <0>,"+16";
+
+ i2c0 = <&frag100>, "target:0=",<&i2c0>;
+ i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>;
addr = <&abx80x>, "reg:0",
<&ds1307>, "reg:0",