[PATCH v3 1/3] dt-bindings: net: ti,cc1352p7: Add bootloader-backdoor-gpios

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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

Signed-off-by: Ayush Singh <ayush@xxxxxxxxxxxxxxx>
---
 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>;
       };
     };

-- 
2.46.0

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