Add to support USI(Universal Serial Interface) for Exynos Auto v9 SoC. This patchset is built on top of below patchset. - spi patchset: https://lore.kernel.org/linux-samsung-soc/20220628044222.152794-1-chanho61.park@xxxxxxxxxxx/ - serial patch to expand serial devices to 12: https://lore.kernel.org/linux-samsung-soc/20220629005538.60132-1-chanho61.park@xxxxxxxxxxx/ The SoC supports up to 12 USIs so they can be configured as below - 12 x UARTs(4pins) - 12 x SPIs(4pins) - 24 x I2C - 12 x UARTS(2pin) and 12 x I2C Chanho Park (3): arm64: dts: exynosautov9: add pdma0 device tree node arm64: dts: exynosautov9: add exynosautov9-usi.dtsi arm64: dts: exynosautov9: include exynosautov9-usi.dtsi .../boot/dts/exynos/exynosautov9-sadk.dts | 2 + .../boot/dts/exynos/exynosautov9-usi.dtsi | 1127 +++++++++++++++++ arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 39 +- 3 files changed, 1140 insertions(+), 28 deletions(-) create mode 100644 arch/arm64/boot/dts/exynos/exynosautov9-usi.dtsi -- 2.36.1