dt-bindings: nvmem: imx-ocotp: update the binding to reflect data cells

imx-ocotp is implemented based on nvmem which can have data cells
as child node. Update the binding doc to reflect it to be more easily
understood by users.

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt b/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
index f162c72..729f674 100644 (file)
--- a/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
+++ b/Documentation/devicetree/bindings/nvmem/imx-ocotp.txt
@@ -11,17 +11,32 @@ Required properties:
        "fsl,imx6ul-ocotp" (i.MX6UL),
        "fsl,imx7d-ocotp" (i.MX7D/S),
        followed by "syscon".
+- #address-cells : Should be 1
+- #size-cells : Should be 1
 - reg: Should contain the register base and length.
 - clocks: Should contain a phandle pointing to the gated peripheral clock.
 
 Optional properties:
 - read-only: disable write access
 
-Example:
+Optional Child nodes:
+
+- Data cells of ocotp:
+  Detailed bindings are described in bindings/nvmem/nvmem.txt
 
+Example:
        ocotp: ocotp@21bc000 {
-               compatible = "fsl,imx6q-ocotp", "syscon";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "fsl,imx6sx-ocotp", "syscon";
                reg = <0x021bc000 0x4000>;
-               clocks = <&clks IMX6QDL_CLK_IIM>;
-               read-only;
+               clocks = <&clks IMX6SX_CLK_OCOTP>;
+
+               tempmon_calib: calib@38 {
+                       reg = <0x38 4>;
+               };
+
+               tempmon_temp_grade: temp-grade@20 {
+                       reg = <0x20 4>;
+               };
        };