[PATCH 2/4] arm64: dts: sprd: Add ADC calibration support
From: Baolin Wang <hidden>
Date: 2019-01-21 07:39:38
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch adds phandles to the calibration cells provided by the Efuse device, which is used to calibrate the ADC channel scales. Signed-off-by: Baolin Wang <redacted> --- arch/arm64/boot/dts/sprd/sc2731.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/sprd/sc2731.dtsi b/arch/arm64/boot/dts/sprd/sc2731.dtsi
index f2f2aa5..a2edc25 100644
--- a/arch/arm64/boot/dts/sprd/sc2731.dtsi
+++ b/arch/arm64/boot/dts/sprd/sc2731.dtsi@@ -63,6 +63,14 @@ #address-cells = <1>; #size-cells = <1>; hwlocks = <&hwlock 12>; + + adc_big_scale: calib@24 { + reg = <0x24 0x2>; + }; + + adc_small_scale: calib@26 { + reg = <0x26 0x2>; + }; }; pmic_adc: adc@480 {
@@ -72,6 +80,8 @@ interrupts = <0>; #io-channel-cells = <1>; hwlocks = <&hwlock 4>; + nvmem-cell-names = "big_scale_calib", "small_scale_calib"; + nvmem-cells = <&adc_big_scale>, <&adc_small_scale>; }; vibrator@ec8 {
--
1.7.9.5
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