From e1fa41ba54b170a67a095fdddb2553d08d2d9c79 Mon Sep 17 00:00:00 2001 From: Ayush Singh Date: Tue, 3 Sep 2024 15:02:18 +0530 Subject: dt-bindings: net: ti,cc1352p7: Add bootloader-backdoor-gpios 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 Acked-by: Rob Herring (Arm) Signed-off-by: Ayush Singh Reviewed-by: Dhruva Gole Link: https://lore.kernel.org/r/20240903-beagleplay_fw_upgrade-v4-1-526fc62204a7@beagleboard.org Signed-off-by: Greg Kroah-Hartman --- 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>; }; }; -- cgit