Commit 3b190545 authored by Bing Fan's avatar Bing Fan Committed by Wim Van Sebroeck
Browse files

watchdog: sp805_wdt: add arm cmsdk apb wdt support 



Support arm CMSDK ip apb watchdog device.
Description details of this device can be found in the
document DDI0479D_m_class_processor_system_r1p1_trm.pdf
on the arm's document web. Which periphid is 0x001bb824.
The registers are basically the same as the 805, just a
few more: Periphid4/5/6/7 with offset 0xFD0/0xFD4/0xFD8/0xFDC.
For the register description of arm,sp805, please refer
to the document DDI0270-arm-sp805.pdf.

Signed-off-by: default avatarBing Fan <tombinfan@tencent.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1656037482-19505-1-git-send-email-hptsfb@gmail.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent c6d9c079

drivers/watchdog/sp805_wdt.c

+5 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0+

/*

 * drivers/char/watchdog/sp805-wdt.c

 *
@@ -341,6 +342,10 @@ static const struct amba_id sp805_wdt_ids[] = { 
		.id	= 0x00141805,

		.mask	= 0x00ffffff,

	},

	{

		.id     = 0x001bb824,

		.mask   = 0x00ffffff,

	},

	{ 0, 0 },

};