| From 8c16d549cd0b9e9cf890ac3ead5d58d92590140f Mon Sep 17 00:00:00 2001 |
| From: "Kevin P. Fleming" <kevin+linux@km6g.us> |
| Date: Mon, 1 Jun 2020 07:02:00 -0400 |
| Subject: [PATCH] Add Micro Crystal RV-1805 to i2c-rtc overlays |
| |
| While the RV-1805 is supported by the rtc-abx80x driver via |
| auto-detection, in order for it to be initialized properly |
| it must be explcitly selected. |
| |
| Signed-off-by: Kevin P. Fleming <kevin+linux@km6g.us> |
| --- |
| arch/arm/boot/dts/overlays/README | 12 +++++--- |
| .../dts/overlays/i2c-rtc-gpio-overlay.dts | 28 ++++++++++++++++--- |
| .../arm/boot/dts/overlays/i2c-rtc-overlay.dts | 27 ++++++++++++++++-- |
| 3 files changed, 56 insertions(+), 11 deletions(-) |
| |
| --- a/arch/arm/boot/dts/overlays/README |
| +++ b/arch/arm/boot/dts/overlays/README |
| @@ -1196,6 +1196,8 @@ Params: abx80x Select o |
| |
| pcf8563 Select the PCF8563 device |
| |
| + rv1805 Select the Micro Crystal RV1805 device |
| + |
| rv3028 Select the Micro Crystal RV3028 device |
| |
| addr Sets the address for the RTC. Note that the |
| @@ -1203,10 +1205,10 @@ Params: abx80x Select o |
| address. |
| |
| trickle-diode-type Diode type for trickle charge - "standard" or |
| - "schottky" (ABx80x only) |
| + "schottky" (ABx80x and RV1805 only) |
| |
| trickle-resistor-ohms Resistor value for trickle charge (DS1339, |
| - ABx80x, RV3028) |
| + ABx80x, RV1805, RV3028) |
| |
| wakeup-source Specify that the RTC can be used as a wakeup |
| source |
| @@ -1243,6 +1245,8 @@ Params: abx80x Select o |
| |
| pcf8563 Select the PCF8563 device |
| |
| + rv1805 Select the Micro Crystal RV1805 device |
| + |
| rv3028 Select the Micro Crystal RV3028 device |
| |
| addr Sets the address for the RTC. Note that the |
| @@ -1250,10 +1254,10 @@ Params: abx80x Select o |
| address. |
| |
| trickle-diode-type Diode type for trickle charge - "standard" or |
| - "schottky" (ABx80x only) |
| + "schottky" (ABx80x and RV1805 only) |
| |
| trickle-resistor-ohms Resistor value for trickle charge (DS1339, |
| - ABx80x, RV3028) |
| + ABx80x, RV1805, RV3028) |
| |
| wakeup-source Specify that the RTC can be used as a wakeup |
| source |
| --- a/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts |
| +++ b/arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts |
| @@ -204,6 +204,23 @@ |
| }; |
| }; |
| |
| + fragment@13 { |
| + target = <&i2c_gpio>; |
| + __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"; |
| + }; |
| + }; |
| + }; |
| + |
| __overrides__ { |
| abx80x = <0>,"+1"; |
| ds1307 = <0>,"+2"; |
| @@ -217,6 +234,7 @@ |
| m41t62 = <0>,"+10"; |
| rv3028 = <0>,"+11"; |
| pcf2129 = <0>,"+12"; |
| + rv1805 = <0>,"+13"; |
| |
| addr = <&abx80x>, "reg:0", |
| <&ds1307>, "reg:0", |
| @@ -226,12 +244,14 @@ |
| <&mcp7941x>, "reg:0", |
| <&pcf8523>, "reg:0", |
| <&pcf8563>, "reg:0", |
| - <&m41t62>, "reg:0"; |
| - |
| - trickle-diode-type = <&abx80x>,"abracon,tc-diode"; |
| + <&m41t62>, "reg:0", |
| + <&rv1805>, "reg:0"; |
| + trickle-diode-type = <&abx80x>,"abracon,tc-diode", |
| + <&rv1805>,"abracon,tc-diode"; |
| trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0", |
| <&abx80x>,"abracon,tc-resistor:0", |
| - <&rv3028>,"trickle-resistor-ohms:0"; |
| + <&rv3028>,"trickle-resistor-ohms:0", |
| + <&rv1805>,"abracon,tc-resistor:0"; |
| backup-switchover-mode = <&rv3028>,"backup-switchover-mode:0"; |
| wakeup-source = <&ds1339>,"wakeup-source?", |
| <&ds3231>,"wakeup-source?", |
| --- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts |
| +++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts |
| @@ -203,6 +203,23 @@ |
| }; |
| }; |
| |
| + fragment@13 { |
| + target = <&i2c_arm>; |
| + __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"; |
| + }; |
| + }; |
| + }; |
| + |
| __overrides__ { |
| abx80x = <0>,"+0"; |
| ds1307 = <0>,"+1"; |
| @@ -217,6 +234,7 @@ |
| rv3028 = <0>,"+10"; |
| pcf2129 = <0>,"+11"; |
| pcf85363 = <0>,"+12"; |
| + rv1805 = <0>,"+13"; |
| |
| addr = <&abx80x>, "reg:0", |
| <&ds1307>, "reg:0", |
| @@ -226,11 +244,14 @@ |
| <&mcp7941x>, "reg:0", |
| <&pcf8523>, "reg:0", |
| <&pcf8563>, "reg:0", |
| - <&m41t62>, "reg:0"; |
| - trickle-diode-type = <&abx80x>,"abracon,tc-diode"; |
| + <&m41t62>, "reg:0", |
| + <&rv1805>, "reg:0"; |
| + trickle-diode-type = <&abx80x>,"abracon,tc-diode", |
| + <&rv1805>,"abracon,tc-diode"; |
| trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0", |
| <&abx80x>,"abracon,tc-resistor:0", |
| - <&rv3028>,"trickle-resistor-ohms:0"; |
| + <&rv3028>,"trickle-resistor-ohms:0", |
| + <&rv1805>,"abracon,tc-resistor:0"; |
| backup-switchover-mode = <&rv3028>,"backup-switchover-mode:0"; |
| wakeup-source = <&ds1339>,"wakeup-source?", |
| <&ds3231>,"wakeup-source?", |