On Fri, Jul 19, 2024 at 03:15:10PM +0530, Ayush Singh wrote:
boot-gpio (along with reset-gpio) is used to enable bootloader backdoor for flashing new firmware.
The pin and pin level to enabel bootloader backdoor is configed using the following CCFG variables in cc1352p7:
- SET_CCFG_BL_CONFIG_BL_PIN_NO
- SET_CCFG_BL_CONFIG_BL_LEVEL
Signed-off-by: Ayush Singh ayush@beagleboard.org
Documentation/devicetree/bindings/net/ti,cc1352p7.yaml | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml b/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml index 3dde10de4630..a3511bb59b05 100644 --- a/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml +++ b/Documentation/devicetree/bindings/net/ti,cc1352p7.yaml @@ -29,6 +29,9 @@ properties: reset-gpios: maxItems: 1
- boot-gpios:
- maxItems: 1
I think this needs a description that explains what this is actually for, and "boot-gpios" is not really an accurate name for what it is used for IMO.
- vdds-supply: true
required: @@ -46,6 +49,7 @@ examples: clocks = <&sclk_hf 0>, <&sclk_lf 25>; clock-names = "sclk_hf", "sclk_lf"; reset-gpios = <&pio 35 GPIO_ACTIVE_LOW>;
boot-gpios = <&pio 36 GPIO_ACTIVE_LOW>; vdds-supply = <&vdds>; };-- 2.45.2