[U-Boot] [PATCH] imx: Enable RTC (ds1307) support in the U-Boot proper on TPC70 board

Lukasz Majewski lukma at denx.de
Tue Oct 15 10:40:51 UTC 2019


The TPC70 is equipped with DS1307 RTC device. Add code to enable support
for it.

Signed-off-by: Lukasz Majewski <lukma at denx.de>

---

 arch/arm/dts/imx6q-kp.dts      | 5 +++++
 configs/kp_imx6q_tpc_defconfig | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/arch/arm/dts/imx6q-kp.dts b/arch/arm/dts/imx6q-kp.dts
index 12d6db6f80..48ade9eeac 100644
--- a/arch/arm/dts/imx6q-kp.dts
+++ b/arch/arm/dts/imx6q-kp.dts
@@ -76,6 +76,11 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c1>;
 	status = "okay";
+
+	ds1307: rtc at 32 {
+		compatible = "dallas,ds1307";
+		reg = <0x32>;
+	};
 };
 
 &i2c2 {
diff --git a/configs/kp_imx6q_tpc_defconfig b/configs/kp_imx6q_tpc_defconfig
index 3d93c20999..2484e91635 100644
--- a/configs/kp_imx6q_tpc_defconfig
+++ b/configs/kp_imx6q_tpc_defconfig
@@ -62,6 +62,8 @@ CONFIG_SPL_PINCTRL=y
 CONFIG_PINCTRL_IMX6=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_SPL_DM_REGULATOR_FIXED=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_DS1307=y
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
 CONFIG_MXC_UART=y
 CONFIG_SYSRESET=y
-- 
2.20.1



More information about the U-Boot mailing list