diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0734-overlays-Add-TI-BQ32000-RTC-support.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0734-overlays-Add-TI-BQ32000-RTC-support.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0734-overlays-Add-TI-BQ32000-RTC-support.patch b/target/linux/bcm27xx/patches-5.10/950-0734-overlays-Add-TI-BQ32000-RTC-support.patch new file mode 100644 index 0000000000..505c72d299 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0734-overlays-Add-TI-BQ32000-RTC-support.patch @@ -0,0 +1,102 @@ +From 1afb520ffaf9667f18336aa4e983a2dd95462f20 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Mon, 16 Aug 2021 11:11:35 +0100 +Subject: [PATCH] overlays: Add TI BQ32000 RTC support + +See: https://github.com/raspberrypi/linux/issues/4531 + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/README | 10 ++++++++++ + .../arm/boot/dts/overlays/i2c-rtc-common.dtsi | 20 ++++++++++++++++++- + 2 files changed, 29 insertions(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -1390,6 +1390,8 @@ Params: abx80x Select o + AB0801, AB0803, AB0804, AB0805, + AB1801, AB1803, AB1804, AB1805 + ++ bq32000 Select the TI BQ32000 device ++ + ds1307 Select the DS1307 device + + ds1339 Select the DS1339 device +@@ -1434,6 +1436,9 @@ Params: abx80x Select o + device must be configured to use the specified + address. + ++ trickle-diode-disable Do not use the internal trickle charger diode ++ (BQ32000 only) ++ + trickle-diode-type Diode type for trickle charge - "standard" or + "schottky" (ABx80x and RV1805 only) + +@@ -1455,6 +1460,8 @@ Params: abx80x Select o + AB0801, AB0803, AB0804, AB0805, + AB1801, AB1803, AB1804, AB1805 + ++ bq32000 Select the TI BQ32000 device ++ + ds1307 Select the DS1307 device + + ds1339 Select the DS1339 device +@@ -1495,6 +1502,9 @@ Params: abx80x Select o + device must be configured to use the specified + address. + ++ trickle-diode-disable Do not use the internal trickle charger diode ++ (BQ32000 only) ++ + trickle-diode-type Diode type for trickle charge - "standard" or + "schottky" (ABx80x and RV1805 only) + +--- a/arch/arm/boot/dts/overlays/i2c-rtc-common.dtsi ++++ b/arch/arm/boot/dts/overlays/i2c-rtc-common.dtsi +@@ -256,6 +256,21 @@ + }; + }; + ++ fragment@19 { ++ target = <&i2cbus>; ++ __dormant__ { ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ bq32000: bq32000@68 { ++ compatible = "ti,bq32000"; ++ trickle-resistor-ohms = <0>; ++ reg = <0x68>; ++ }; ++ }; ++ }; ++ ++ + __overrides__ { + abx80x = <0>,"+0"; + ds1307 = <0>,"+1"; +@@ -276,6 +291,7 @@ + pcf85063 = <0>,"+15"; + pcf85063a = <0>,"+16"; + s35390a = <0>,"+18"; ++ bq32000 = <0>,"+19"; + + addr = <&abx80x>, "reg:0", + <&ds1307>, "reg:0", +@@ -288,13 +304,15 @@ + <&m41t62>, "reg:0", + <&rv1805>, "reg:0", + <&s35390a>, "reg:0"; ++ trickle-diode-disable = <&bq32000>,"trickle-diode-disable?"; + trickle-diode-type = <&abx80x>,"abracon,tc-diode", + <&rv1805>,"abracon,tc-diode"; + trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0", + <&ds1340>,"trickle-resistor-ohms:0", + <&abx80x>,"abracon,tc-resistor:0", + <&rv3028>,"trickle-resistor-ohms:0", +- <&rv1805>,"abracon,tc-resistor:0"; ++ <&rv1805>,"abracon,tc-resistor:0", ++ <&bq32000>,"abracon,tc-resistor:0"; + backup-switchover-mode = <&rv3028>,"backup-switchover-mode:0"; + wakeup-source = <&ds1339>,"wakeup-source?", + <&ds3231>,"wakeup-source?", |