diff options
Diffstat (limited to 'include/dt-bindings/soc/imx8_hsio.h')
| -rw-r--r-- | include/dt-bindings/soc/imx8_hsio.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/dt-bindings/soc/imx8_hsio.h b/include/dt-bindings/soc/imx8_hsio.h new file mode 100644 index 000000000000..a237ceb82620 --- /dev/null +++ b/include/dt-bindings/soc/imx8_hsio.h @@ -0,0 +1,31 @@ +/* + * Copyright 2017 NXP + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DT_BINDINGS_IMX8_HSIO_H +#define __DT_BINDINGS_IMX8_HSIO_H + +/* + * imx8qm hsio has pciea, pcieb and sata modules, and hsio + * can be configured to the following different work modes. + * 1 - pciea 2 lanes and one sata ahci port. + * 2 - pciea 1 lane, pcieb 1 lane and one sata ahci port. + * 3 - pciea 2 lanes, pcieb 1 lane. + * Choose one mode, refer to the exact hardware board design. + */ +#define PCIEAX2SATA 1 +#define PCIEAX1PCIEBX1SATA 2 +#define PCIEAX2PCIEBX1 3 + +#endif /* __DT_BINDINGS_IMX8_HSIO_H */ + |