From: Baolin Wang <baolin.wang@linaro.org>
To: robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de
Cc: olof@lixom.net, orsonzhai@gmail.com, zhang.lyra@gmail.com,
devicetree@vger.kernel.org, arm@kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, broonie@kernel.org,
baolin.wang@linaro.org
Subject: [PATCH v2 2/5] arm64: dts: sprd: Add ADC calibration support
Date: Wed, 13 Feb 2019 20:32:46 +0800 [thread overview]
Message-ID: <0213394a8e432e0ee0809f9032427d971ea9cde2.1550060544.git.baolin.wang@linaro.org> (raw)
In-Reply-To: <cover.1550060543.git.baolin.wang@linaro.org>
In-Reply-To: <cover.1550060543.git.baolin.wang@linaro.org>
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
next prev parent reply other threads:[~2019-02-13 12:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-13 12:32 [PATCH v2 0/5] Add new device nodes for Spreadtrum SC9860 platform Baolin Wang
2019-02-13 12:32 ` [PATCH v2 1/5] arm64: dts: sprd: Remove PMIC INTC irq trigger type Baolin Wang
2019-02-13 12:32 ` Baolin Wang [this message]
2019-02-13 12:32 ` [PATCH v2 3/5] arm64: dts: sprd: Add SC2731 charger device Baolin Wang
2019-02-13 12:32 ` [PATCH v2 4/5] arm64: dts: sprd: Add SC27XX fuel gauge device Baolin Wang
2019-02-13 12:32 ` [PATCH v2 5/5] arm64: dts: sprd: Remove wildcard compatible string Baolin Wang
2019-02-13 14:31 ` Arnd Bergmann
2019-02-14 1:56 ` Baolin Wang
2019-02-18 10:34 ` Arnd Bergmann
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