[PATCH v1] arm64: dts: freescale: imx8mm-evk: share usdhc3 setup
Mario Peter
mario.peter at leica-geosystems.com
Tue Feb 3 06:21:58 PST 2026
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.
Signed-off-by: Mario Peter <mario.peter at 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 at 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
--
2.43.0
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