[PATCH v1 05/10] arm64: dts: imx8mm-verdin: comment about i2c level shifter

Marcel Ziswiler marcel at ziswiler.com
Thu Mar 24 08:56:44 PDT 2022


From: Marcel Ziswiler <marcel.ziswiler at toradex.com>

Add a note about the bootloader being expected to switch on the I2C
level shifter for the TLA2024 ADC behind this PMIC.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
---

 arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
index 599b620ae04d..4542c99ce906 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi
@@ -337,6 +337,11 @@ pca9450: pmic at 25 {
 		reg = <0x25>;
 		sd-vsel-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
 
+		/*
+		 * The bootloader is expected to switch on the I2C level shifter for the TLA2024 ADC
+		 * behind this PMIC.
+		 */
+
 		regulators {
 			reg_vdd_soc: BUCK1 {
 				nxp,dvs-run-voltage = <850000>;
-- 
2.34.1




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