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Subject[PATCH 2/4] arm64: dts: sprd: Add ADC calibration support
Date
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 <baolin.wang@linaro.org>
---
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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