imx95_evk: add i.MX95 19x19 EVK board basic support

This patch adds i.MX95 19x19 EVK board basic support.

Messaging unit for EdgeLock Secure Enclave, messaging unit for System
Manager, uSDHC for SD Card, gpio, lpuart are supported now.

Signed-off-by: Ye Li <[email protected]>
Signed-off-by: Alice Guo <[email protected]>
Reviewed-by: Peng Fan <[email protected]>

5 files changed, 283 insertions, 0 deletions

diff --git a/arch/arm/dts/imx95-19x19-evk-u-boot.dtsi b/arch/arm/dts/imx95-19x19-evk-u-boot.dtsi
new file mode 100644
index 00000000000..2d1f02baa5f
--- /dev/null
+++ b/arch/arm/dts/imx95-19x19-evk-u-boot.dtsi
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2025 NXP
+ */
+
+#include "imx95-u-boot.dtsi"
+
+&lpuart1 {
+	bootph-pre-ram;
+};
+
+&reg_usdhc2_vmmc {
+	bootph-pre-ram;
+};
+
+&usdhc1 {
+	bootph-pre-ram;
+};
+
+&usdhc2 {
+	bootph-pre-ram;
+};
+
+&wdog3 {
+	status = "disabled";
+};
+
+&pinctrl_uart1 {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc1 {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc1_100mhz {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc1_200mhz {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc2 {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc2_100mhz {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc2_200mhz {
+	bootph-pre-ram;
+};
+
+&pinctrl_usdhc2_gpio {
+	bootph-pre-ram;
+};
+
+&pinctrl_reg_usdhc2_vmmc {
+	bootph-pre-ram;
+};
diff --git a/arch/arm/dts/imx95-u-boot.dtsi b/arch/arm/dts/imx95-u-boot.dtsi
new file mode 100644
index 00000000000..5ec3b1c51d6
--- /dev/null
+++ b/arch/arm/dts/imx95-u-boot.dtsi
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2025 NXP
+ */
+
+/ {
+	binman {
+		multiple-images;
+
+		m33-oei-ddrfw {
+			pad-byte = <0x00>;
+			align-size = <0x8>;
+			filename = "m33-oei-ddrfw.bin";
+
+			oei-m33-ddr {
+				align-size = <0x4>;
+				filename = "oei-m33-ddr.bin";
+				type = "blob-ext";
+			};
+
+			imx-lpddr {
+				type = "nxp-header-ddrfw";
+
+				imx-lpddr-imem {
+					filename = "lpddr5_imem_v202311.bin";
+					type = "blob-ext";
+				};
+
+				imx-lpddr-dmem {
+					filename = "lpddr5_dmem_v202311.bin";
+					type = "blob-ext";
+				};
+			};
+
+			imx-lpddr-qb {
+				type = "nxp-header-ddrfw";
+
+				imx-lpddr-imem-qb {
+					filename = "lpddr5_imem_qb_v202311.bin";
+					type = "blob-ext";
+				};
+
+				imx-lpddr-dmem-qb {
+					filename = "lpddr5_dmem_qb_v202311.bin";
+					type = "blob-ext";
+				};
+			};
+		};
+
+		imx-boot {
+			filename = "flash.bin";
+			pad-byte = <0x00>;
+
+			spl {
+				align = <0x400>;
+				align-size = <0x400>;
+				type = "mkimage";
+				args = "-n spl/u-boot-spl.cfgout -T imx8image";
+			};
+
+			u-boot {
+				type = "mkimage";
+				args = "-n u-boot-container.cfgout -T imx8image";
+			};
+		};
+	};
+};
+
+&A55_0 {
+	clocks = <&scmi_clk IMX95_CLK_ARMPLL_PFD0>;
+	/delete-property/ power-domains;
+};
+
+&A55_1 {
+	clocks = <&scmi_clk IMX95_CLK_ARMPLL_PFD0>;
+	/delete-property/ power-domains;
+};
+
+&A55_2 {
+	clocks = <&scmi_clk IMX95_CLK_ARMPLL_PFD0>;
+	/delete-property/ power-domains;
+};
+
+&A55_3 {
+	clocks = <&scmi_clk IMX95_CLK_ARMPLL_PFD0>;
+	/delete-property/ power-domains;
+};
+
+&A55_4 {
+	clocks = <&scmi_clk IMX95_CLK_ARMPLL_PFD0>;
+	/delete-property/ power-domains;
+};
+
+&A55_5 {
+	clocks = <&scmi_clk IMX95_CLK_ARMPLL_PFD0>;
+	/delete-property/ power-domains;
+};
+
+&aips1 {
+	bootph-all;
+};
+
+&aips2 {
+	bootph-all;
+};
+
+&aips3 {
+	bootph-pre-ram;
+};
+
+&clk_ext1 {
+	bootph-all;
+};
+
+&elemu1 {
+	bootph-all;
+	status = "okay";
+};
+
+&elemu3 {
+	bootph-all;
+	status = "okay";
+};
+
+&{/firmware} {
+	bootph-all;
+};
+
+&{/firmware/scmi} {
+	bootph-all;
+};
+
+&{/firmware/scmi/protocol@11} {
+	bootph-all;
+};
+
+&{/firmware/scmi/protocol@13} {
+	bootph-all;
+};
+
+&{/firmware/scmi/protocol@14} {
+	bootph-all;
+};
+
+&{/firmware/scmi/protocol@19} {
+	bootph-all;
+};
+
+&gpio2 {
+	bootph-pre-ram;
+};
+
+&gpio3 {
+	bootph-pre-ram;
+};
+
+&gpio4 {
+	bootph-pre-ram;
+};
+
+&gpio5 {
+	bootph-pre-ram;
+};
+
+&mu2 {
+	bootph-all;
+};
+
+&osc_24m {
+	bootph-all;
+};
+
+&{/soc} {
+	bootph-all;
+};
+
+&sram0 {
+	bootph-all;
+};
+
+&scmi_buf0 {
+	reg = <0x0 0x400>;
+	bootph-all;
+};
+
+&scmi_buf1 {
+	bootph-all;
+};
diff --git a/arch/arm/mach-imx/imx9/Kconfig b/arch/arm/mach-imx/imx9/Kconfig
index f6a9a13e4c9..0fd82dc0811 100644
--- a/arch/arm/mach-imx/imx9/Kconfig
+++ b/arch/arm/mach-imx/imx9/Kconfig
@@ -76,6 +76,13 @@ config TARGET_PHYCORE_IMX93
 	select OF_BOARD_FIXUP
 	select OF_BOARD_SETUP
 
+config TARGET_IMX95_19X19_EVK
+	bool "imx95_19x19_evk"
+	select IMX95
+	imply BOOTSTD_BOOTCOMMAND
+	imply BOOTSTD_FULL
+	imply OF_UPSTREAM
+
 endchoice
 
 source "board/freescale/imx91_evk/Kconfig"
@@ -83,6 +90,7 @@ source "board/freescale/imx93_evk/Kconfig"
 source "board/freescale/imx93_qsb/Kconfig"
 source "board/phytec/phycore_imx93/Kconfig"
 source "board/variscite/imx93_var_som/Kconfig"
+source "board/freescale/imx95_evk/Kconfig"
 
 endif
 
diff --git a/arch/arm/mach-imx/imx9/scmi/container.cfg b/arch/arm/mach-imx/imx9/scmi/container.cfg
new file mode 100644
index 00000000000..441d9beedd1
--- /dev/null
+++ b/arch/arm/mach-imx/imx9/scmi/container.cfg
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2025 NXP
+ */
+
+BOOT_FROM SD
+SOC_TYPE IMX9
+CONTAINER
+IMAGE A55 bl31.bin 0x8a200000
+IMAGE A55 u-boot.bin CONFIG_TEXT_BASE
diff --git a/arch/arm/mach-imx/imx9/scmi/imximage.cfg b/arch/arm/mach-imx/imx9/scmi/imximage.cfg
new file mode 100644
index 00000000000..6af1c4ba628
--- /dev/null
+++ b/arch/arm/mach-imx/imx9/scmi/imximage.cfg
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2025 NXP
+ */
+
+BOOT_FROM SD
+SOC_TYPE IMX9
+APPEND mx95a0-ahab-container.img
+CONTAINER
+IMAGE OEI m33-oei-ddrfw.bin 0x1ffc0000
+HOLD 0x10000
+IMAGE OEI oei-m33-tcm.bin 0x1ffc0000
+IMAGE M33 m33_image.bin 0x1ffc0000
+IMAGE A55 spl/u-boot-spl.bin 0x20480000
+DUMMY_V2X 0x8b000000