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[v3,3/4] arm64: dts: qcom: qcs404: Add tsens controller

Message ID 3491110ccf708efed795bfc756b2d108f8dbb710.1543335819.git.amit.kucheria@linaro.org (mailing list archive)
State New, archived
Headers show
Series thermal: tsens: Add support for QCS404 platform | expand

Commit Message

Amit Kucheria Nov. 27, 2018, 4:29 p.m. UTC 
qcs404 has a single TSENS IP block with 10 sensors. The calibration data
is stored in an eeprom (qfprom) that is accessed through the nvmem
framework. We add the qfprom node to allow the tsens sensors to be
calibrated correctly.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Tested-by: Vinod Koul <vkoul@kernel.org>
---
 arch/arm64/boot/dts/qcom/qcs404.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
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Patch

diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
index 9b5c16562bbe..57d14d8f0c90 100644
--- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
@@ -253,6 +253,16 @@ 
 			reg = <0x00060000 0x6000>;
 		};
 
+		qfprom: qfprom@a4000 {
+			compatible = "qcom,qfprom";
+			reg = <0x000a4000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			tsens_caldata: caldata@d0 {
+				reg = <0x1f8 0x14>;
+			};
+		};
+
 		rng: rng@e3000 {
 			compatible = "qcom,prng-ee";
 			reg = <0x000e3000 0x1000>;
@@ -260,6 +270,16 @@ 
 			clock-names = "core";
 		};
 
+		tsens: thermal-sensor@4a9000 {
+			compatible = "qcom,qcs404-tsens", "qcom,tsens-v1";
+			reg = <0x004a9000 0x1000>, /* TM */
+			      <0x004a8000 0x1000>; /* SROT */
+			nvmem-cells = <&tsens_caldata>;
+			nvmem-cell-names = "calib";
+			#qcom,sensors = <10>;
+			#thermal-sensor-cells = <1>;
+		};
+
 		tlmm: pinctrl@1000000 {
 			compatible = "qcom,qcs404-pinctrl";
 			reg = <0x01000000 0x200000>,