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The second patch introduces a new base device tree include file (socfpga_stratix10_socdk.dtsi) containing common board configurations, and the eMMC-specific device tree file (socfpga_stratix10_socdk_emmc.dts) that includes the base dtsi along with eMMC controller configuration. This follows a hierarchical structure: - socfpga_stratix10.dtsi: SoC-level definitions - socfpga_stratix10_socdk.dtsi: Board-level common configurations - socfpga_stratix10_socdk_emmc.dts: eMMC daughter board specifics Changes in v3: - Refactor socfpga_stratix10_socdk.dts to use the new common dtsi file, eliminating code duplication - Move gmac2 and i2c2 nodes from socfpga_stratix10_socdk.dtsi to socfpga_stratix10_socdk_emmc.dts as they are specific to the eMMC daughter board variant - Fix PHY address in socfpga_stratix10_socdk.dts from @0 to @4 Changes in v2: - Introduced socfpga_stratix10_socdk.dtsi for common board settings - Updated socfpga_stratix10_socdk_emmc.dts to include the new dtsi - Added fallback compatible string "altr,socfpga-stratix10-socdk" in the binding documentation for broader compatibility Ng Tze Yee (2): dt-bindings: altera: Add fallback compatible for Stratix 10 SoCDK eMMC variant arm64: dts: socfpga: stratix10: Add emmc support .../devicetree/bindings/arm/altera.yaml | 6 ++ arch/arm64/boot/dts/altera/Makefile | 1 + .../dts/altera/socfpga_stratix10_socdk.dts | 67 +-------------- .../dts/altera/socfpga_stratix10_socdk.dtsi | 71 ++++++++++++++++ .../altera/socfpga_stratix10_socdk_emmc.dts | 81 +++++++++++++++++++ 5 files changed, 161 insertions(+), 65 deletions(-) create mode 100644 arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dtsi create mode 100644 arch/arm64/boot/dts/altera/socfpga_stratix10_socdk_emmc.dts -- 2.25.1