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| author | Sam Protsenko <semen.protsenko@linaro.org> | 2021-12-04 22:57:53 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-12-13 14:03:22 +0300 |
| commit | e522ae91b8ff7bf89d22d9322308aba1a6326996 (patch) | |
| tree | 3d54d419a8856d4d0972a8d884596ec6a8303be0 /include/dt-bindings/soc/samsung,exynos-usi.h | |
| parent | fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf (diff) | |
| download | linux-e522ae91b8ff7bf89d22d9322308aba1a6326996.tar.xz | |
dt-bindings: soc: samsung: Add Exynos USI bindings
Add constants for choosing USIv2 configuration mode in device tree.
Those are further used in USI driver to figure out which value to write
into SW_CONF register. Also document USIv2 IP-core bindings.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211204195757.8600-2-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'include/dt-bindings/soc/samsung,exynos-usi.h')
| -rw-r--r-- | include/dt-bindings/soc/samsung,exynos-usi.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/dt-bindings/soc/samsung,exynos-usi.h b/include/dt-bindings/soc/samsung,exynos-usi.h new file mode 100644 index 000000000000..a01af169d249 --- /dev/null +++ b/include/dt-bindings/soc/samsung,exynos-usi.h @@ -0,0 +1,17 @@ +/* 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 (Universal Serial Interface). + */ + +#ifndef __DT_BINDINGS_SAMSUNG_EXYNOS_USI_H +#define __DT_BINDINGS_SAMSUNG_EXYNOS_USI_H + +#define USI_V2_NONE 0 +#define USI_V2_UART 1 +#define USI_V2_SPI 2 +#define USI_V2_I2C 3 + +#endif /* __DT_BINDINGS_SAMSUNG_EXYNOS_USI_H */ |