arm64: dts: imx: add dts for the imx8ulp evk9 board

Add DTS for the i.MX8ULP EVK9 board. Some notable differences from the
i.MX8ULP EVK board include:

1) M.2 header uses SAI6 instead of SAI5.
2) Ethernet transceiver chip (KSZ8081RNB) uses different pads.
3) USB0 ID/OC signals are tied to different pads.
4) USB1 ID/OC signals are tied to different pads.
5) EVK9 board integrates the 9.4x9.4mm SoC package, while the EVK board
   integrates the 15x15mm package.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 6ee4bd67802c72ff9385f64018d01f77d27db56d..dcc520355c99e5c1aa56678bc077880644f26eb2 100644 (file)
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -333,6 +333,7 @@ dtb-${CONFIG_ARCH_MXC} += imx8qxp-mek-ov5640-csi.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqps-mb-smarc-2.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8ulp-9x9-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb.dtb
 

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts
new file mode 100644 (file)
index 0000000..5497e3d
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2025 NXP
+ */
+
+/dts-v1/;
+
+#include "imx8ulp-evk.dts"
+
+/ {
+       model = "NXP i.MX8ULP EVK9";
+       compatible = "fsl,imx8ulp-9x9-evk", "fsl,imx8ulp";
+};
+
+&btcpu {
+       sound-dai = <&sai6>;
+};
+
+&iomuxc1 {
+       pinctrl_sai6: sai6grp {
+               fsl,pins = <
+                       MX8ULP_PAD_PTE10__I2S6_TX_BCLK  0x43
+                       MX8ULP_PAD_PTE11__I2S6_TX_FS    0x43
+                       MX8ULP_PAD_PTE14__I2S6_TXD2     0x43
+                       MX8ULP_PAD_PTE6__I2S6_RXD0      0x43
+               >;
+       };
+};
+
+&pinctrl_enet {
+       fsl,pins = <
+               MX8ULP_PAD_PTF9__ENET0_MDC              0x43
+               MX8ULP_PAD_PTF8__ENET0_MDIO             0x43
+               MX8ULP_PAD_PTF5__ENET0_RXER             0x43
+               MX8ULP_PAD_PTF6__ENET0_CRS_DV           0x43
+               MX8ULP_PAD_PTF1__ENET0_RXD0             0x43
+               MX8ULP_PAD_PTF0__ENET0_RXD1             0x43
+               MX8ULP_PAD_PTF4__ENET0_TXEN             0x43
+               MX8ULP_PAD_PTF3__ENET0_TXD0             0x43
+               MX8ULP_PAD_PTF2__ENET0_TXD1             0x43
+               MX8ULP_PAD_PTF7__ENET0_REFCLK           0x43
+               MX8ULP_PAD_PTF10__ENET0_1588_CLKIN      0x43
+       >;
+};
+
+&pinctrl_usb1 {
+       fsl,pins = <
+               MX8ULP_PAD_PTE16__USB0_ID               0x10003
+               MX8ULP_PAD_PTE18__USB0_OC               0x10003
+       >;
+};
+
+&pinctrl_usb2 {
+       fsl,pins = <
+               MX8ULP_PAD_PTD23__USB1_ID               0x10003
+               MX8ULP_PAD_PTE20__USB1_OC               0x10003
+       >;
+};
+
+&sai6 {
+       pinctrl-names = "default", "sleep";
+       pinctrl-0 = <&pinctrl_sai6>;
+       pinctrl-1 = <&pinctrl_sai6>;
+       assigned-clocks = <&cgc1 IMX8ULP_CLK_SPLL3_PFD1_DIV1>, <&cgc2 IMX8ULP_CLK_SAI6_SEL>;
+       assigned-clock-parents = <0>, <&cgc1 IMX8ULP_CLK_SPLL3_PFD1_DIV1>;
+       assigned-clock-rates = <12288000>;
+       fsl,dataline = <1 0x01 0x04>;
+       status = "okay";
+};