From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Mario Peter <mario.peter@leica-geosystems.com>,
shawnguo@kernel.org, s.hauer@pengutronix.de
Cc: robh@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, imx@lists.linux.dev,
kernel@pengutronix.de, krzk+dt@kernel.org, festevam@gmail.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v1] arm64: dts: freescale: imx8mm-evk: share usdhc3 setup
Date: Tue, 3 Feb 2026 15:36:29 +0100 [thread overview]
Message-ID: <b69b73b5-cde0-444a-875d-ef817cfa7504@pengutronix.de> (raw)
In-Reply-To: <20260203142158.3929433-1-mario.peter@leica-geosystems.com>
Hello Mario,
thanks for your patch.
On 2/3/26 3:21 PM, Mario Peter wrote:
> The eMMC controller on EVK and EVKB uses the same usdhc3
> configuration and pinmux. Move the common node and pinctrl groups
> into imx8mm-evk.dtsi so both boards inherit the shared setup and
> avoid duplication in the board DTS files.
What about the imx8mm-ddr4-evk.dts? Did you check if it also has
something connected to usdhc3?
Cheers,
Ahmad
>
> Signed-off-by: Mario Peter <mario.peter@leica-geosystems.com>
> ---
> v1: submitted
>
> arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 61 -------------------
> arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 61 +++++++++++++++++++
> 2 files changed, 61 insertions(+), 61 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> index b68954bcc383..002ebdeeb2d6 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> @@ -53,18 +53,6 @@ flash@0 {
> };
> };
>
> -&usdhc3 {
> - assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>;
> - assigned-clock-rates = <400000000>;
> - pinctrl-names = "default", "state_100mhz", "state_200mhz";
> - pinctrl-0 = <&pinctrl_usdhc3>;
> - pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> - pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> - bus-width = <8>;
> - non-removable;
> - status = "okay";
> -};
> -
> &iomuxc {
> pinctrl_flexspi: flexspigrp {
> fsl,pins = <
> @@ -76,53 +64,4 @@ MX8MM_IOMUXC_NAND_DATA02_QSPI_A_DATA2 0x82
> MX8MM_IOMUXC_NAND_DATA03_QSPI_A_DATA3 0x82
> >;
> };
> -
> - pinctrl_usdhc3: usdhc3grp {
> - fsl,pins = <
> - MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
> - MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
> - MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
> - MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
> - MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
> - MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
> - MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
> - MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
> - MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
> - MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
> - MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
> - MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
> - >;
> - };
> -
> - pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
> - fsl,pins = <
> - MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
> - MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
> - MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
> - MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
> - MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
> - MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
> - MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
> - MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
> - MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
> - MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
> - MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
> - >;
> - };
> -
> - pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
> - fsl,pins = <
> - MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
> - MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
> - MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
> - MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
> - MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
> - MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
> - MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
> - MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
> - MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
> - MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
> - MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
> - >;
> - };
> };
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> index 6eab8a6001db..6e53828b5d30 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
> @@ -649,6 +649,18 @@ &usdhc2 {
> status = "okay";
> };
>
> +&usdhc3 {
> + assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>;
> + assigned-clock-rates = <400000000>;
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + bus-width = <8>;
> + non-removable;
> + status = "okay";
> +};
> +
> &wdog1 {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_wdog>;
> @@ -839,6 +851,55 @@ MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> >;
> };
>
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
> + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
> + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
> + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
> + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
> + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
> + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
> + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
> + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
> + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
> + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
> + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
> + >;
> + };
> +
> + pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
> + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
> + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
> + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
> + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
> + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
> + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
> + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
> + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
> + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
> + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
> + >;
> + };
> +
> + pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
> + MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
> + MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
> + MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
> + MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
> + MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
> + MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
> + MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
> + MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
> + MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
> + MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
> + >;
> + };
> +
> pinctrl_wdog: wdoggrp {
> fsl,pins = <
> MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166
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next prev parent reply other threads:[~2026-02-03 14:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-03 14:21 [PATCH v1] arm64: dts: freescale: imx8mm-evk: share usdhc3 setup Mario Peter
2026-02-03 14:36 ` Ahmad Fatoum [this message]
2026-02-05 9:58 ` PETER Mario
2026-02-03 17:31 ` Frank Li
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