bootloader-backdoor-gpio (along with reset-gpio) is used to enable bootloader backdoor for flashing new firmware.
The pin and pin level to enable bootloader backdoor is configured using the following CCFG variables in cc1352p7: - SET_CCFG_BL_CONFIG_BL_PIN_NO - SET_CCFG_BL_CONFIG_BL_LEVEL
Acked-by: Conor Dooley conor.dooley@microchip.com Acked-by: Rob Herring (Arm) robh@kernel.org Signed-off-by: Ayush Singh ayush@beagleboard.org --- Documentation/devicetree/bindings/net/ti,cc1352p7.yaml | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml b/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml index 3dde10de4630..4f4253441547 100644 --- a/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml +++ b/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml @@ -29,6 +29,12 @@ properties: reset-gpios: maxItems: 1
+ bootloader-backdoor-gpios: + maxItems: 1 + description: | + gpios to enable bootloader backdoor in cc1352p7 bootloader to allow + flashing new firmware. + vdds-supply: true
required: @@ -46,6 +52,7 @@ examples: clocks = <&sclk_hf 0>, <&sclk_lf 25>; clock-names = "sclk_hf", "sclk_lf"; reset-gpios = <&pio 35 GPIO_ACTIVE_LOW>; + bootloader-backdoor-gpios = <&pio 36 GPIO_ACTIVE_LOW>; vdds-supply = <&vdds>; }; };