linux-kernel - [PATCH 1/2] dt-bindings: nvmem: Add Spreadtrum eFuse controller documentation

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Date:   Fri, 16 Aug 2019 19:44:16 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     srinivas.kandagatla@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com
Cc:     orsonzhai@...il.com, zhang.lyra@...il.com, baolin.wang@...aro.org,
        freeman.liu@...soc.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: nvmem: Add Spreadtrum eFuse controller documentation

From: Freeman Liu <freeman.liu@...soc.com>

This patch adds the binding documentation for Spreadtrum eFuse controller.

Signed-off-by: Freeman Liu <freeman.liu@...soc.com>
Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
 .../devicetree/bindings/nvmem/sprd-efuse.txt       |   39 ++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/sprd-efuse.txt

diff --git a/Documentation/devicetree/bindings/nvmem/sprd-efuse.txt b/Documentation/devicetree/bindings/nvmem/sprd-efuse.txt
new file mode 100644
index 0000000..96b6fee
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/sprd-efuse.txt
@@ -0,0 +1,39 @@
+= Spreadtrum eFuse device tree bindings =
+
+Required properties:
+- compatible: Should be "sprd,ums312-efuse".
+- reg: Specify the address offset of efuse controller.
+- clock-names: Should be "enable".
+- clocks: The phandle and specifier referencing the controller's clock.
+- hwlocks: Reference to a phandle of a hwlock provider node.
+
+= Data cells =
+Are child nodes of eFuse, bindings of which as described in
+bindings/nvmem/nvmem.txt
+
+Example:
+
+	ap_efuse: efuse@...40000 {
+		compatible = "sprd,ums312-efuse";
+		reg = <0 0x32240000 0 0x10000>;
+		clock-names = "enable";
+		hwlocks = <&hwlock 8>;
+		clocks = <&aonapb_gate CLK_EFUSE_EB>;
+
+		/* Data cells */
+		thermal_calib: calib@10 {
+			reg = <0x10 0x2>;
+		};
+	};
+
+= Data consumers =
+Are device nodes which consume nvmem data cells.
+
+Example:
+
+	thermal {
+		...
+
+		nvmem-cells = <&thermal_calib>;
+		nvmem-cell-names = "calibration";
+	};
-- 
1.7.9.5