From 78d5e84a022c55f540fb37008d5dd0d68742b46f Mon Sep 17 00:00:00 2001
From: Naina Mehta <nainmeht@qti.qualcomm.com>
Date: Mon, 5 Oct 2020 16:21:14 +0530
Subject: [PATCH 1/3] dt-bindings: Add qfprom-sys documentation

qfprom-sys can be used to export nvmem cell values as sysfs
entries to user space.

Change-Id: I2bcbf1bbfc0ac187e6f2b7c177b0f2bc14ca654e
---
 bindings/arm/msm/qcom,qfprom-sys.yaml | 36 +++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 bindings/arm/msm/qcom,qfprom-sys.yaml

diff --git a/bindings/arm/msm/qcom,qfprom-sys.yaml b/bindings/arm/msm/qcom,qfprom-sys.yaml
new file mode 100644
index 000000000000..e0da6ada6ff7
--- /dev/null
+++ b/bindings/arm/msm/qcom,qfprom-sys.yaml
@@ -0,0 +1,36 @@
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/arm/msm/qcom,qfprom-sys.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. QFPROM_SYS driver binding
+
+maintainers:
+
+description: |+
+  QFPROM_SYS provides access to the nvmem cells to the user space.
+  The driver exports the cell values as sysfs entries.
+
+properties:
+  compatible:
+    const: qcom,qfprom-sys
+
+  nvmem-cell-name:
+    description: array of strings for cell names
+
+  nvmem-cells:
+    description: phandle to particular cell from provider
+
+required:
+  - compatible
+  - nvmem-cell-name
+  - nvmem-cells
+
+example:
+  - |
+    qfprom@0 {
+        compatible = "qcom,qfprom-sys";
+        nvmem-cells = <&tsens_calibration1>, <&tsens_calibration2>;
+        nvmem-cell-names = "calibration1", "calibration2";
+    };
+...

From f023fb6a0f1979fe1793f5c3f07805177f3a2279 Mon Sep 17 00:00:00 2001
From: Naina Mehta <nainmeht@qti.qualcomm.com>
Date: Mon, 5 Oct 2020 15:49:43 +0530
Subject: [PATCH 2/3] ARM: dts: msm: Export qfprom cell to userspace

Add support to export qfprom cell values as sysfs entries to userspace.

Change-Id: Id4ab00e095c23d195fe017c023099dd100a6eb76
---
 qcom/holi.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/qcom/holi.dtsi b/qcom/holi.dtsi
index 1d8a294b6fd4..2798bc18d4f9 100644
--- a/qcom/holi.dtsi
+++ b/qcom/holi.dtsi
@@ -2719,6 +2719,21 @@
 			reg = <0x6028 0x4>;
 		};
 	};
+
+	qfprom_sys: qfprom@0 {
+		compatible = "qcom,qfprom-sys";
+
+		nvmem-cells = <&gpu_speed_bin>,
+			      <&adsp_variant>,
+			      <&feat_conf8>,
+			      <&gpu_gaming_bin>,
+			      <&feat_conf9>;
+		nvmem-cell-names = "gpu_speed_bin",
+				   "adsp_variant",
+				   "feat_conf8",
+				   "gpu_gaming_bin",
+				   "feat_conf9";
+	};
 };
 
 #include "holi-gpu.dtsi"

From 1a296131e5b7d300d1d78efe45ffd97d35248499 Mon Sep 17 00:00:00 2001
From: Neeraj Upadhyay <neeraju@qti.qualcomm.com>
Date: Wed, 14 Oct 2020 15:58:12 +0530
Subject: [PATCH 3/3] ARM: dts: msm: Export qfprom cell to userspace for Shima

Add support to export qfprom cell values as sysfs entries
to userspace.

Change-Id: Iedc3fbdffeb1992323e514628961567479c0ed35
---
 qcom/shima.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/qcom/shima.dtsi b/qcom/shima.dtsi
index fd0b467f4806..3ef5da0e77b3 100644
--- a/qcom/shima.dtsi
+++ b/qcom/shima.dtsi
@@ -3451,6 +3451,21 @@
 		};
 	};
 
+	qfprom_sys: qfprom@0 {
+		compatible = "qcom,qfprom-sys";
+
+		nvmem-cells = <&gpu_speed_bin>,
+			      <&gpu_gaming_bin>,
+			      <&adsp_variant>,
+			      <&feat_conf_m7>,
+			      <&feat_conf_qc_spare_20_lsb>;
+		nvmem-cell-names = "gpu_speed_bin",
+				   "gpu_gaming_bin",
+				   "adsp_variant",
+				   "feat_conf_m7",
+				   "feat_conf_qc_spare_20_lsb";
+	};
+
 	wlan: qcom,cnss-qca6490@b0000000 {
 		compatible = "qcom,cnss-qca6490";
 		reg = <0xb0000000 0x10000>;