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Diffstat (limited to 'static/openbsd/man4/man4.riscv64/mpfgpio.4')
| -rw-r--r-- | static/openbsd/man4/man4.riscv64/mpfgpio.4 | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/static/openbsd/man4/man4.riscv64/mpfgpio.4 b/static/openbsd/man4/man4.riscv64/mpfgpio.4 new file mode 100644 index 00000000..b3673574 --- /dev/null +++ b/static/openbsd/man4/man4.riscv64/mpfgpio.4 @@ -0,0 +1,55 @@ +.\" $OpenBSD: mpfgpio.4,v 1.1 2022/02/18 10:51:43 visa Exp $ +.\" +.\" Copyright (c) 2022 Visa Hankala +.\" +.\" Permission to use, copy, modify, and distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +.\" +.Dd $Mdocdate: February 18 2022 $ +.Dt MPFGPIO 4 riscv64 +.Os +.Sh NAME +.Nm mpfgpio +.Nd Microchip PolarFire SoC MSS GPIO controller +.Sh SYNOPSIS +.Cd "mpfgpio* at fdt?" +.Cd "gpio* at mpfgpio?" +.Sh DESCRIPTION +The +.Nm +driver provides support for the Microchip PolarFire SoC MSS GPIO controller. +.Pp +The PolarFire SoC MSS has three GPIO units: +.Dv GPIO_0 , +.Dv GPIO_1 +and +.Dv GPIO_2 . +.Dv GPIO_0 +and +.Dv GPIO_1 +control up to 14 and 24 IOs, respectively. +These IOs are routed through IOMUXes. +.Dv GPIO_2 +controls up to 32 IOs through the FPGA fabric. +.Pp +The IOs can be configured as either inputs or outputs, +and accessed using +.Xr gpioctl 8 . +.Sh SEE ALSO +.Xr gpio 4 , +.Xr intro 4 , +.Xr gpioctl 8 +.Sh HISTORY +The +.Nm +driver first appeared in +.Ox 7.1 . |
