[PATCH v2 4/5] arm64: dts: imx8mq-phanbell: Mux the 32 kHz reference clock pad
Frank Li
Frank.li at oss.nxp.com
Mon Aug 10 12:25:01 PDT 2026
On Sat, Aug 08, 2026 at 10:13:51AM +0000, Rudi Heitbaum wrote:
> Mux GPIO1_IO00 as the ANAMIX 32.768 kHz reference input rather than leave
> it in its GPIO reset function. Nothing claims the pad as a consumer, so it
> goes in a hog group.
>
> The vendor devicetree hogs ten further pins alongside it, none of which has
> a consumer anywhere in the tree. Those only set pad configuration on pins
> the kernel does not otherwise touch, so they are left out.
Needn't this paragraph. The first paragraph should be enough
Frank
>
> Signed-off-by: Rudi Heitbaum <rudi at heitbaum.com>
> ---
> arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts b/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts
> index 58f7276eb557..2d134eefb765 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-phanbell.dts
> @@ -348,6 +348,9 @@ &wdog1 {
> };
>
> &iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
> +
> pinctrl_fec1: fec1grp {
> fsl,pins = <
> MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC 0x3
> @@ -374,6 +377,12 @@ MX8MQ_IOMUXC_NAND_CLE_GPIO3_IO5 0x16
> >;
> };
>
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> + MX8MQ_IOMUXC_GPIO1_IO00_ANAMIX_REF_CLK_32K 0x05
> + >;
> + };
> +
> pinctrl_i2c1: i2c1grp {
> fsl,pins = <
> MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x4000007f
> --
> 2.53.0
>
>
More information about the linux-arm-kernel
mailing list