Messages in this thread Patch in this message | | | From | Benjamin Gaignard <> | Subject | [PATCH v2 1/2] dt-bindings: stm32: Add bindings for Extended TrustZone Protection | Date | Thu, 1 Mar 2018 14:58:05 +0100 |
| |
Extended TrustZone Protection driver is very basic and only needs to know where are the registers (no clock, no interrupt)
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> --- .../bindings/arm/stm32/st,stm32mp1-etzpc.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/stm32/st,stm32mp1-etzpc.txt
diff --git a/Documentation/devicetree/bindings/arm/stm32/st,stm32mp1-etzpc.txt b/Documentation/devicetree/bindings/arm/stm32/st,stm32mp1-etzpc.txt new file mode 100644 index 000000000000..9407e37f7d15 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/stm32/st,stm32mp1-etzpc.txt @@ -0,0 +1,25 @@ +STMicroelectronics STM32 Extended TrustZone Protection driver + +Required properties: + - compatible : value should be "st,stm32mp1-etzpc" + - reg : physical base address of the IP registers and length of memory + mapped region. + - protected-devices: list of phandle of devices protected by etzpc. + Because etzpc driver rely on the phandle index in + the list, holes must be filled with a disabled node. + +Example for stm32mp1: + +reserved: disabled_node { + status = "disabled"; +}; + +etzpc: etzpc@5c007000 { + compatible = "st,stm32mp1-etzpc"; + reg = <0x5c007000 0x400>; + protected-devices = <&usart1>, + <&spi6>, + <&i2c4>, + <&reserved>, + <&rng1>; +}; -- 2.15.0
| |