new file mode 100644
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2021 Linaro Ltd.
+ * Author: Sam Protsenko <semen.protsenko@linaro.org>
+ *
+ * Device Tree bindings for Samsung Exynos USI v2 (Universal Serial Interface).
+ */
+
+#ifndef __DT_BINDINGS_SAMSUNG_EXYNOS_USI_V2_H
+#define __DT_BINDINGS_SAMSUNG_EXYNOS_USI_V2_H
+
+#define USI_V2_UART 0
+#define USI_V2_SPI 1
+#define USI_V2_I2C 2
+
+#endif /* __DT_BINDINGS_SAMSUNG_EXYNOS_USI_V2_H */
Add constants for choosing USIv2 configuration mode in device tree. Those are further used in USIv2 driver to figure out which value to write into SW_CONF register. Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org> --- include/dt-bindings/soc/samsung,exynos-usi-v2.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 include/dt-bindings/soc/samsung,exynos-usi-v2.h