diff options
| author | Baolin Wang <baolin.wang@linaro.org> | 2019-02-13 20:32:46 +0800 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2019-02-18 11:32:47 +0100 |
| commit | 640e2c51bdf227a540480c0f0e0d68e94113931c (patch) | |
| tree | e01805aad8abef5f17b105b9c610b60e064ea810 | |
| parent | 5863dbe071caabe752ce6f9f6782fa03914527ab (diff) | |
arm64: dts: sprd: Add ADC calibration support
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>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| -rw-r--r-- | arch/arm64/boot/dts/sprd/sc2731.dtsi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/sprd/sc2731.dtsi b/arch/arm64/boot/dts/sprd/sc2731.dtsi index f2f2aa50f66b..a2edc25936b3 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 { |