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authorPeng Fan <peng.fan@nxp.com>2019-06-14 15:32:18 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-19 19:35:50 +0200
commitc2a6ea23a40152a03d6c605d6f0ea239b11605b8 (patch)
treea8f56e8e2a004953a65180c55a1763b69b5391f5
parent312d362c6ae4350784717dff91ba18f365dd8643 (diff)
dt-bindings: fsl: scu: add ocotp binding
NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as system controller(SCU), the ocotp controller is being controlled by the SCU, so Linux need use RPC to SCU for ocotp handling. This patch adds binding doc for i.MX8 SCU OCOTP driver. Cc: Mark Rutland <mark.rutland@arm.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Anson Huang <anson.huang@nxp.com> Cc: devicetree@vger.kernel.org Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt22
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index 5d7dbabbb784..f378922906f6 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -133,6 +133,18 @@ RTC bindings based on SCU Message Protocol
Required properties:
- compatible: should be "fsl,imx8qxp-sc-rtc";
+OCOTP bindings based on SCU Message Protocol
+------------------------------------------------------------
+Required properties:
+- compatible: Should be "fsl,imx8qxp-scu-ocotp"
+- #address-cells: Must be 1. Contains byte index
+- #size-cells: Must be 1. Contains byte length
+
+Optional Child nodes:
+
+- Data cells of ocotp:
+ Detailed bindings are described in bindings/nvmem/nvmem.txt
+
Example (imx8qxp):
-------------
aliases {
@@ -177,6 +189,16 @@ firmware {
...
};
+ ocotp: imx8qx-ocotp {
+ compatible = "fsl,imx8qxp-scu-ocotp";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ fec_mac0: mac@2c4 {
+ reg = <0x2c4 8>;
+ };
+ };
+
pd: imx8qx-pd {
compatible = "fsl,imx8qxp-scu-pd", "fsl,scu-pd";
#power-domain-cells = <1>;