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mfd: ioc3: Add driver for SGI IOC3 chip

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SGI IOC3 chip has integrated ethernet, keyboard and mouse interface.
It also supports connecting a SuperIO chip for serial and parallel
interfaces. IOC3 is used inside various SGI systemboards and add-on
cards with different equipped external interfaces.

Support for ethernet and serial interfaces were implemented inside
the network driver. This patchset moves out the not network related
parts to a new MFD driver, which takes care of card detection,
setup of platform devices and interrupt distribution for the subdevices.

Serial portion: Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Network part: Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Network part: Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-serial@vger.kernel.org
This commit is contained in:
Thomas Bogendoerfer
2020-01-09 11:34:29 +01:00
committed by Paul Burton
parent 10cf8300ec
commit 0ce5ebd24d
9 changed files with 894 additions and 482 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
arch/mips/sgi-ip27/ip27-timer.c
View File

@@ -168,23 +168,3 @@ void hub_rtc_init(nasid_t nasid)
LOCAL_HUB_S(PI_RT_PEND_B, 0);
}
}
static int __init sgi_ip27_rtc_devinit(void)
{
struct resource res;
memset(&res, 0, sizeof(res));
res.start = XPHYSADDR(KL_CONFIG_CH_CONS_INFO(master_nasid)->memory_base +
IOC3_BYTEBUS_DEV0);
res.end = res.start + 32767;
res.flags = IORESOURCE_MEM;
return IS_ERR(platform_device_register_simple("rtc-m48t35", -1,
&res, 1));
}
/*
* kludge make this a device_initcall after ioc3 resource conflicts
* are resolved
*/
late_initcall(sgi_ip27_rtc_devinit);