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09 dt rtc #167

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111eb1e
09_DT_RTC: Add rtc0 to dts for overlay and overwrite
marynamalakhova Apr 7, 2021
fb9dff2
09_DT_RTC: Add source dts overlay to modify the eeprom compatible
marynamalakhova Apr 7, 2021
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42 changes: 42 additions & 0 deletions 09_dt_rtc/0001-09_DT_RTC-Add-dts-overlay-source-to-modify-eeprom-co.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,42 @@
From 8cc3a77f231b0defab60031e8170a6506e52a218 Mon Sep 17 00:00:00 2001
From: Maryna Malakhova <maryna.malakhova@globallogic.com>
Date: Wed, 7 Apr 2021 14:39:20 +0300
Subject: [PATCH] 09_DT_RTC: Add dts overlay source to modify eeprom compatible

Add dts overlay source to modify eeprom compatible

Signed-off-by: Maryna Malakhova <maryna.malakhova@globallogic.com>
---
.../arm/boot/dts/BBB_black_eeprom3_ds3231.dts | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 arch/arm/boot/dts/BBB_black_eeprom3_ds3231.dts

diff --git a/arch/arm/boot/dts/BBB_black_eeprom3_ds3231.dts b/arch/arm/boot/dts/BBB_black_eeprom3_ds3231.dts
new file mode 100644
index 000000000000..4092bb6995ed
--- /dev/null
+++ b/arch/arm/boot/dts/BBB_black_eeprom3_ds3231.dts
@@ -0,0 +1,20 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+fragment@0 {
+ target = <&GLCamp>;
+ __overlay__ {
+ i2c2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "ti,beaglebone", "ti,beaglebone-black";
+ cape_eeprom3: cape_eeprom3@57 {
+ compatible = "maxim,ds3231";
+ reg = <0x57>;
+ };
+ };
+ };
+ };
+};
+
--
2.25.1

31 changes: 31 additions & 0 deletions 09_dt_rtc/0001-09_DT_RTC-Add-rtc0-to-original-dts.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
From 55c85fa4e87ca717033392d80fb665bb11f6f595 Mon Sep 17 00:00:00 2001
From: Maryna Malakhova <maryna.malakhova@globallogic.com>
Date: Wed, 7 Apr 2021 13:29:55 +0300
Subject: [PATCH] 09_DT_RTC: Add rtc0 to original dts

Add rtc0 to original am335x-boneblack.dts

Signed-off-by: Maryna Malakhova <maryna.malakhova@globallogic.com>
---
arch/arm/boot/dts/am335x-boneblack.dts | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index d154d3133c16..1a8adbf6ac91 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -26,3 +26,11 @@
opp-supported-hw = <0x06 0x0100>;
};
};
+
+&i2c2 {
+ rtc0: ds3231@0 {
+ compatible = "maxim,ds3231";
+ reg = <0x68>;
+ };
+};
+
--
2.25.1

46 changes: 46 additions & 0 deletions 09_dt_rtc/0001-09_DT_RTC-Add-source-of-rtc0-adding-overlay.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
From 03dc7fc357cc9ffa853a1f64eb34fb550be1f4a5 Mon Sep 17 00:00:00 2001
From: Maryna Malakhova <maryna.malakhova@globallogic.com>
Date: Wed, 7 Apr 2021 13:36:00 +0300
Subject: [PATCH] 09_DT_RTC: Add source of rtc0 adding overlay

Add source of rtc0 adding overlay to the device tree
Build command: dtc -@ -O dtb -o BBB_black_rtc0.dtbo BBB_black_rtc0.dts
BBB_black_rtc0.dtbo compiles without any errors
I have some questions about it`s bootloading by netboot
I would be appreciate for a help

Signed-off-by: Maryna Malakhova <maryna.malakhova@globallogic.com>
---
arch/arm/boot/dts/BBB_black_rtc0.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 arch/arm/boot/dts/BBB_black_rtc0.dts

diff --git a/arch/arm/boot/dts/BBB_black_rtc0.dts b/arch/arm/boot/dts/BBB_black_rtc0.dts
new file mode 100644
index 000000000000..1a66a89a3b45
--- /dev/null
+++ b/arch/arm/boot/dts/BBB_black_rtc0.dts
@@ -0,0 +1,20 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+fragment@0 {
+ target = <&GLCamp>;
+ __overlay__ {
+ i2c2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "ti,beaglebone", "ti,beaglebone-black";
+ ds3231: rtc@0 {
+ compatible = "maxim, ds3231";
+ reg = <0x68>;
+ };
+ };
+ };
+ };
+};
+
--
2.25.1