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>;
};
};
--
2.45.2
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