+++ /dev/null
-From 2308f60bb68de69306c542de3983be0007cad37b Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Mon, 15 Jul 2019 10:39:05 +0100
-Subject: [PATCH] overlays: Add PCF2129 RTC
-
-Add support for the PCF2129 RTC to i2c-rtc and i2c-rtc-gpio overlays.
-Also add rv3028 to i2c-rtc-gpio (it was missed previously), and don't
-attempt to set an alternate address for the PCF2127.
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- arch/arm/boot/dts/overlays/README | 11 ++++-
- .../dts/overlays/i2c-rtc-gpio-overlay.dts | 41 +++++++++++++++++--
- .../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 19 ++++++++-
- 3 files changed, 64 insertions(+), 7 deletions(-)
-
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -1022,6 +1022,8 @@ Params: abx80x Select o
-
- pcf2127 Select the PCF2127 device
-
-+ pcf2129 Select the PCF2129 device
-+
- pcf8523 Select the PCF8523 device
-
- pcf8563 Select the PCF8563 device
-@@ -1067,10 +1069,14 @@ Params: abx80x Select o
-
- pcf2127 Select the PCF2127 device
-
-+ pcf2129 Select the PCF2129 device
-+
- pcf8523 Select the PCF8523 device
-
- 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.
-@@ -1079,11 +1085,14 @@ 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
-
-+ backup-switchover-mode Backup power supply switch mode. Must be 0 for
-+ off or 1 for Vdd < VBackup (RV3028 only)
-+
- i2c_gpio_sda GPIO used for I2C data (default "23")
-
- i2c_gpio_scl GPIO used for I2C clock (default "24")
---- a/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
-+++ b/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts
-@@ -121,7 +121,7 @@
- #size-cells = <0>;
- status = "okay";
-
-- pcf2127: pcf2127@51 {
-+ pcf2127@51 {
- compatible = "nxp,pcf2127";
- reg = <0x51>;
- status = "okay";
-@@ -174,6 +174,36 @@
- };
- };
-
-+ fragment@11 {
-+ target = <&i2c_gpio>;
-+ __dormant__ {
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+
-+ rv3028: rv3028@52 {
-+ compatible = "microcrystal,rv3028";
-+ reg = <0x52>;
-+ status = "okay";
-+ };
-+ };
-+ };
-+
-+ fragment@12 {
-+ target = <&i2c_gpio>;
-+ __dormant__ {
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+
-+ pcf2129@51 {
-+ compatible = "nxp,pcf2129";
-+ reg = <0x51>;
-+ status = "okay";
-+ };
-+ };
-+ };
-+
- __overrides__ {
- abx80x = <0>,"+1";
- ds1307 = <0>,"+2";
-@@ -185,6 +215,8 @@
- pcf8523 = <0>,"+8";
- pcf8563 = <0>,"+9";
- m41t62 = <0>,"+10";
-+ rv3028 = <0>,"+11";
-+ pcf2129 = <0>,"+12";
-
- addr = <&abx80x>, "reg:0",
- <&ds1307>, "reg:0",
-@@ -192,18 +224,19 @@
- <&ds3231>, "reg:0",
- <&mcp7940x>, "reg:0",
- <&mcp7941x>, "reg:0",
-- <&pcf2127>, "reg:0",
- <&pcf8523>, "reg:0",
- <&pcf8563>, "reg:0",
- <&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";
-+ backup-switchover-mode = <&rv3028>,"backup-switchover-mode:0";
- wakeup-source = <&ds1339>,"wakeup-source?",
- <&ds3231>,"wakeup-source?",
- <&mcp7940x>,"wakeup-source?",
-- <&mcp7941x>,"wakeup-source?";
-+ <&mcp7941x>,"wakeup-source?";
- i2c_gpio_sda = <&i2c_gpio>,"gpios:4";
- i2c_gpio_scl = <&i2c_gpio>,"gpios:16";
- i2c_gpio_delay_us = <&i2c_gpio>,"i2c-gpio,delay-us:0";
---- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
-+++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
-@@ -105,7 +105,7 @@
- #size-cells = <0>;
- status = "okay";
-
-- pcf2127: pcf2127@51 {
-+ pcf2127@51 {
- compatible = "nxp,pcf2127";
- reg = <0x51>;
- status = "okay";
-@@ -173,6 +173,21 @@
- };
- };
-
-+ fragment@11 {
-+ target = <&i2c_arm>;
-+ __dormant__ {
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+
-+ pcf2129@51 {
-+ compatible = "nxp,pcf2129";
-+ reg = <0x51>;
-+ status = "okay";
-+ };
-+ };
-+ };
-+
- __overrides__ {
- abx80x = <0>,"+0";
- ds1307 = <0>,"+1";
-@@ -185,6 +200,7 @@
- pcf8563 = <0>,"+8";
- m41t62 = <0>,"+9";
- rv3028 = <0>,"+10";
-+ pcf2129 = <0>,"+11";
-
- addr = <&abx80x>, "reg:0",
- <&ds1307>, "reg:0",
-@@ -192,7 +208,6 @@
- <&ds3231>, "reg:0",
- <&mcp7940x>, "reg:0",
- <&mcp7941x>, "reg:0",
-- <&pcf2127>, "reg:0",
- <&pcf8523>, "reg:0",
- <&pcf8563>, "reg:0",
- <&m41t62>, "reg:0";
projects / openwrt / openwrt.git / blobdiff