[PATCH] ARM: stm32: Add both PDK2 and DRC02 DT into DHCOM fitImage its

[Marek Vasut]

Include both PDK2 and DRC02 DTs in the DHCOM fitImage .its and implement
support in SPL to select the correct configuration entry for U-Boot by
using the machine compatible string from SPL DT.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Patrice Chotard <patrice.chotard at st.com>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
---
 board/dhelectronics/dh_stm32mp1/board.c        |  8 ++++++--
 .../dhelectronics/dh_stm32mp1/u-boot-dhcom.its | 18 +++++++++++++++++-
 .../dhelectronics/dh_stm32mp1/u-boot-dhcor.its |  3 ++-
 configs/stm32mp15_dhcom_basic_defconfig        |  1 +
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/board/dhelectronics/dh_stm32mp1/board.c b/board/dhelectronics/dh_stm32mp1/board.c
index 17018716fd..c9abe3cc6d 100644
--- a/board/dhelectronics/dh_stm32mp1/board.c
+++ b/board/dhelectronics/dh_stm32mp1/board.c
@@ -237,9 +237,13 @@ int board_early_init_f(void)
 #ifdef CONFIG_SPL_LOAD_FIT
 int board_fit_config_name_match(const char *name)
 {
-	char test[20];
+	const char *compat;
+	char test[128];
 
-	snprintf(test, sizeof(test), "somrev%d_boardrev%d", somcode, brdcode);
+	compat = fdt_getprop(gd->fdt_blob, 0, "compatible", NULL);
+
+	snprintf(test, sizeof(test), "%s_somrev%d_boardrev%d",
+		compat, somcode, brdcode);
 
 	if (!strcmp(name, test))
 		return 0;
diff --git a/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its b/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its
index 2776c41af1..d8a1a28a11 100644
--- a/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its
+++ b/board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its
@@ -23,17 +23,33 @@
 			arch = "arm";
 			compression = "none";
 		};
+
+		fdt-2 {
+			description = ".dtb";
+			data = /incbin/("arch/arm/dts/stm32mp15xx-dhcom-drc02.dtb");
+			type = "flat_dt";
+			arch = "arm";
+			compression = "none";
+		};
 	};
 
 	configurations {
 		default = "config-1";
 
 		config-1 {
-			description = "somrev0_boardrev0"; /* SoM+board model */
+			/* DT+SoM+board model */
+			description = "dh,stm32mp15xx-dhcom-pdk2_somrev0_boardrev0";
 			loadables = "uboot";
 			fdt = "fdt-1";
 		};
 
+		config-2 {
+			/* DT+SoM+board model */
+			description = "dh,stm32mp15xx-dhcom-drc02_somrev0_boardrev0";
+			loadables = "uboot";
+			fdt = "fdt-2";
+		};
+
 		/* Add 587-100..587-400 with fdt-2..fdt-4 here */
 	};
 };
diff --git a/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its b/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its
index 8844508f1a..7419684f55 100644
--- a/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its
+++ b/board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its
@@ -29,7 +29,8 @@
 		default = "config-1";
 
 		config-1 {
-			description = "somrev0_boardrev1"; /* SoM+board model */
+			/* DT+SoM+board model */
+			description = "arrow,stm32mp15xx-avenger96_somrev0_boardrev1";
 			loadables = "uboot";
 			fdt = "fdt-1";
 		};
diff --git a/configs/stm32mp15_dhcom_basic_defconfig b/configs/stm32mp15_dhcom_basic_defconfig
index dc85625a8b..c70414e23b 100644
--- a/configs/stm32mp15_dhcom_basic_defconfig
+++ b/configs/stm32mp15_dhcom_basic_defconfig
@@ -57,6 +57,7 @@ CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_MTDPARTS=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_OF_LIST="stm32mp15xx-dhcom-pdk2 stm32mp15xx-dhcom-drc02"
 CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-names interrupts-extended interrupt-controller \\\#interrupt-cells interrupt-parent dmas dma-names assigned-clocks assigned-clock-rates assigned-clock-parents hwlocks"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_USE_ENV_SPI_BUS=y
-- 
2.27.0