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Since the HFP is only used at a later stage — after the BT firmware has been downloaded and the BT connection with the remote device has been established — both the pcal6524 expander and sai1 interface are already fully initialized and available by that time. Therefore, using a gpio-hog here will not introduce any probe ordering or dependency issues for the HFP use case. Signed-off-by: Sherry Sun --- Changes in V2: 1. Improve the commit message to avoid confusion. --- arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 6 ++++++ arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts index 8dd5340e8141..acb160d3186c 100644 --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts @@ -356,6 +356,12 @@ pcal6524: gpio@22 { #interrupt-cells = <2>; interrupt-parent = <&gpio3>; interrupts = <27 IRQ_TYPE_LEVEL_LOW>; + + m2-pcm-level-shifter-hog { + gpio-hog; + gpios = <19 GPIO_ACTIVE_HIGH>; + output-high; + }; }; pmic@25 { diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts index 0852067eab2c..11e08673083b 100644 --- a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts +++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts @@ -349,6 +349,12 @@ mic-can-sel-hog { gpios = <17 GPIO_ACTIVE_HIGH>; output-low; }; + + m2-pcm-level-shifter-hog { + gpio-hog; + gpios = <19 GPIO_ACTIVE_HIGH>; + output-high; + }; }; pmic@25 { -- 2.37.1