| Message ID | 20190508030927.16668-1-peng.fan@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [V2,1/4] dt-bindings: fsl: scu: add ocotp binding | expand |
> From: Peng Fan > Sent: Wednesday, May 8, 2019 10:56 AM > > 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: Rob Herring <robh+dt@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Aisheng Dong <aisheng.dong@nxp.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 > Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com> Regards Dong Aisheng
On Wed, 8 May 2019 02:56:02 +0000, Peng Fan wrote: > 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: Rob Herring <robh+dt@kernel.org> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Aisheng Dong <aisheng.dong@nxp.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 > Signed-off-by: Peng Fan <peng.fan@nxp.com> > --- > > V2: > Move OCOTP to end, add example, add "scu" > > .../devicetree/bindings/arm/freescale/fsl,scu.txt | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
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>;
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: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Aisheng Dong <aisheng.dong@nxp.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 Signed-off-by: Peng Fan <peng.fan@nxp.com> --- V2: Move OCOTP to end, add example, add "scu" .../devicetree/bindings/arm/freescale/fsl,scu.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)