diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0759-Add-Micro-Crystal-RV-1805-to-i2c-rtc-overlays.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0759-Add-Micro-Crystal-RV-1805-to-i2c-rtc-overlays.patch | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0759-Add-Micro-Crystal-RV-1805-to-i2c-rtc-overlays.patch b/target/linux/bcm27xx/patches-5.4/950-0759-Add-Micro-Crystal-RV-1805-to-i2c-rtc-overlays.patch new file mode 100644 index 0000000000..6e9951bd4a --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0759-Add-Micro-Crystal-RV-1805-to-i2c-rtc-overlays.patch @@ -0,0 +1,167 @@ +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?", |