diff mbox series

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

Message ID 20240825-beagleplay_fw_upgrade-v3-1-8f424a9de9f6@beagleboard.org (mailing list archive)
State New, archived
Headers show
Series Add Firmware Upload support for beagleplay cc1352 | expand

Commit Message

Ayush Singh Aug. 25, 2024, 4:47 p.m. UTC
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@beagleboard.org>
---
 Documentation/devicetree/bindings/net/ti,cc1352p7.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Conor Dooley Aug. 26, 2024, 4:09 p.m. UTC | #1
On Sun, Aug 25, 2024 at 10:17:05PM +0530, Ayush Singh wrote:
> 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@beagleboard.org>

Acked-by: Conor Dooley <conor.dooley@microchip.com>
diff mbox series

Patch

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>;
       };
     };