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Mon, 14 Jul 2025 08:14:46 -0700 (PDT) From: Laurentiu Mihalcea To: Shawn Guo , Sascha Hauer , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li Cc: Pengutronix Kernel Team , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/2] arm64: dts: imx: add dts for the imx8ulp evk9 board Date: Mon, 14 Jul 2025 11:13:46 -0400 Message-Id: <20250714151346.7575-3-laurentiumihalcea111@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250714151346.7575-1-laurentiumihalcea111@gmail.com> References: <20250714151346.7575-1-laurentiumihalcea111@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Laurentiu Mihalcea 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 --- arch/arm64/boot/dts/freescale/Makefile | 1 + .../boot/dts/freescale/imx8ulp-9x9-evk.dts | 69 +++++++++++++++++++ 2 files changed, 70 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8ulp-9x9-evk.dts diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index 23535ed47631..cbcabdfb324c 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -332,6 +332,7 @@ 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 index 000000000000..5497e3d78136 --- /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"; +}; -- 2.34.1