From 783295b12092bb2b53eeddd619e7f27be980cb80 Mon Sep 17 00:00:00 2001 From: John Klug Date: Thu, 21 Oct 2021 07:00:53 -0500 Subject: Add dummy regulator to make gpio expander driver happy --- .../mtcdt/linux-4.9-mtcdt-device-tree.patch | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch index 0ddf35c..fff3d85 100644 --- a/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch +++ b/recipes-kernel/linux/linux-at91-4.9.87/mtcdt/linux-4.9-mtcdt-device-tree.patch @@ -1,7 +1,7 @@ diff -Naru orig/arch/arm/boot/dts/mtcdt.dts new/arch/arm/boot/dts/mtcdt.dts --- orig/arch/arm/boot/dts/mtcdt.dts 1969-12-31 18:00:00.000000000 -0600 -+++ new/arch/arm/boot/dts/mtcdt.dts 2021-10-21 04:58:51.743540072 -0500 -@@ -0,0 +1,306 @@ ++++ new/arch/arm/boot/dts/mtcdt.dts 2021-10-21 06:40:53.695663469 -0500 +@@ -0,0 +1,315 @@ +/* + * DTS file for Multi-Tech Systems MTCDT Hardware + */ @@ -251,6 +251,13 @@ diff -Naru orig/arch/arm/boot/dts/mtcdt.dts new/arch/arm/boot/dts/mtcdt.dts + status = "okay"; + }; + ++ /* pca953x driver wants a regulator ++ * This dummy regulator prevents warnings */ ++ dummy_reg: regulator@0 { ++ compatible = "regulator-fixed"; ++ reg = <0>; ++ regulator-name = "dummy-supply"; ++ }; + + i2c-gpio-0 { + status = "okay"; @@ -275,12 +282,14 @@ diff -Naru orig/arch/arm/boot/dts/mtcdt.dts new/arch/arm/boot/dts/mtcdt.dts + reg = <0x18>; + gpio-controller; + #gpio-cells = <2>; ++ vcc-supply = <&dummy_reg>; + }; + gpio5: pca9557@19 { + compatible = "nxp,pca9557"; + reg = <0x19>; + gpio-controller; + #gpio-cells = <2>; ++ vcc-supply = <&dummy_reg>; + }; + }; + i2c-gpio-1 { -- cgit v1.2.3