Commit 5cbc16ac authored by Zak Portnoy's avatar Zak Portnoy Committed by David Leach
Browse files

boards: Update Xiao_BLE Sense DTS for pdm microphone 



Create regulator on GPIO for microphone supply
Set pdm data and clk pins in pinctrl
Add xiao_ble_sense overlay for dmic sample support

Signed-off-by: default avatarZak Portnoy <zakportnoy@gmail.com>
parent 6f01329e

boards/seeed/xiao_ble/xiao_ble-pinctrl.dtsi

+15 −0
Original line number Diff line number Diff line
@@ -52,6 +52,21 @@ 
		};

	};



	pdm0_default: pdm0_default {

		group1 {

			psels = <NRF_PSEL(PDM_CLK, 1, 00)>,

				<NRF_PSEL(PDM_DIN, 0, 16)>;

		};

	};



	pdm0_sleep: pdm0_sleep {

		group1 {

			psels = <NRF_PSEL(PDM_CLK, 1, 00)>,

				<NRF_PSEL(PDM_DIN, 0, 16)>;

				low-power-enable;

		};

	};



	pwm0_default: pwm0_default {

		group1 {

			psels = <NRF_PSEL(PWM_OUT0, 0, 17)>;

boards/seeed/xiao_ble/xiao_ble_nrf52840_sense.dts

+13 −0
Original line number Diff line number Diff line
@@ -13,6 +13,12 @@ 
	model = "Seeed XIAO BLE Sense";

	compatible = "seeed,xiao-ble", "seeed,xiao-ble-sense";



	msm261d3526hicpm-c-en {

		compatible = "regulator-fixed";

		enable-gpios = <&gpio1 10 (NRF_GPIO_DRIVE_S0H1 | GPIO_ACTIVE_HIGH)>;

		regulator-name = "MSM261D3526HICPM-C-EN";

	};



	lsm6ds3tr-c-en {

		compatible = "regulator-fixed-sync", "regulator-fixed";

		enable-gpios = <&gpio1 8 (NRF_GPIO_DRIVE_S0H1 | GPIO_ACTIVE_HIGH)>;
@@ -38,3 +44,10 @@ 
		status = "okay";

	};

};



&pdm0 {

	pinctrl-0 = <&pdm0_default>;

	pinctrl-1 = <&pdm0_sleep>;

	pinctrl-names = "default", "sleep";

	clock-source = "PCLK32M";

};

samples/drivers/audio/dmic/boards/xiao_ble_nrf52840_sense.overlay

0 → 100644
+12 −0
Original line number Diff line number Diff line 
/*

 * SPDX-License-Identifier: Apache-2.0

 */

/ {

	msm261d3526hicpm-c-en {

		regulator-boot-on;

	};

};



dmic_dev: &pdm0 {

	status = "okay";

};

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