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16 Commits

Author SHA1 Message Date
Masahiro Yamada
00ca025012 MIPS: BCM63xx: Let clk_disable() return immediately if clk is NULL 
In many of clk_disable() implementations, it is a no-op for a NULL
pointer input, but this is one of the exceptions.

Making it treewide consistent will allow clock consumers to call
clk_disable() without NULL pointer check.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-arm-kernel@lists.infradead.org
Patchwork: https://patchwork.linux-mips.org/patch/14264/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2016-10-04 16:13:57 +02:00
Jonas Gorski
26b8c07f59 MIPS: BCM63XX: setup the HSSPI clock rate 
Properly set up the HSSPI clock rate depending on the SoC's PLL rate.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6177/
 2014-01-22 20:18:49 +01:00
Jonas Gorski
0ebe8aaefa MIPS: BCM63XX: expose the HSSPI clock 
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6178/
 2014-01-22 20:18:49 +01:00
Markos Chandras
7aa2d05299 MIPS: BCM63xx: CLK: Add dummy clk_{set,round}_rate() functions 
Several drivers use the clk_{set,round}_rate() functions
that need to be defined in the platform's clock code.
The Broadcom BCM63xx platform hardcodes the clock rate so
we create new clk_{set,round}_rate() functions
which just return 0 like those in include/linux/clk.h
for the common clock framework do.

Also fixes the following build problem on a randconfig:
drivers/built-in.o: In function `nop_usb_xceiv_probe':
phy-nop.c:(.text+0x3ec26c): undefined reference to `clk_set_rate'

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5580/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2013-07-02 15:59:11 +02:00
Florian Fainelli
7b9334215f MIPS: BCM63XX: add support for BCM3368 Cable Modem 
The Broadcom BCM3368 Cable Modem SoC is extremely similar to the
existing BCM63xx DSL SoCs, in particular BCM6358, therefore little effort
in the existing code base is required to get it supported. This patch adds
support for the following on-chip peripherals:

- two UARTS
- GPIO
- Ethernet
- SPI
- PCI
- NOR Flash

The most noticeable difference with 3368 is that it has its peripheral
register at 0xfff8_0000 we check that separately in ioremap.h. Since
3368 is identical to 6358 for its clock and reset bits, we use them
verbatim.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: cernekee@gmail.com
Cc: jogo@openwrt.org
Patchwork: https://patchwork.linux-mips.org/patch/5499/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2013-07-01 15:10:53 +02:00
Jonas Gorski
1cd1c04927 MIPS: BCM63XX: add missing clocks for BCM6328 and BCM6362 
Add some mosty unused, but missing clocks for BCM6328 and BCM6362.
This also fixes PCIe init on BCM6362.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5200/
Acked-by: John Crispin <blogic@openwrt.org>
 2013-05-08 01:19:12 +02:00
Jonas Gorski
042df4fa28 MIPS: BCM63XX: merge bcm63xx_clk.h into bcm63xx/clk.c 
All the header file does is provide the internal structure of clk,
which shouldn't be used by anyone except clk.c itself anyway.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Patchwork: http://patchwork.linux-mips.org/patch/5055/
Acked-by: John Crispin <blogic@openwrt.org>
 2013-05-08 01:19:04 +02:00
Jonas Gorski
08a41d1206 MIPS: BCM63XX: enable SPI controller for BCM6362 
The SPI controller shares the same register layout as the 6358 one.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5010/
Acked-by: John Crispin <blogic@openwrt.org>
 2013-05-08 01:19:03 +02:00
Jonas Gorski
ba00e2e5c2 MIPS: BCM63XX: use the new reset helper 
Use the new reset helper where appropriate.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4453
Signed-off-by: John Crispin <blogic@openwrt.org>
 2012-11-09 11:37:18 +01:00
Jonas Gorski
f2d1035e95 MIPS: BCM63XX: add and use a clock for PCIe 
Add a PCIe clock and use that instead of directly touching the clock
control register. While at it, fail if there is no such clock.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4452
Signed-off-by: John Crispin <blogic@openwrt.org>
 2012-11-09 11:37:17 +01:00
Kevin Cernekee
dd89d60c03 MIPS: BCM63XX: Expose the USBH/USBD clocks on BCM6328/BCM6368 
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4022/
Signed-off-by: John Crispin <blogic@openwrt.org>
 2012-08-30 20:15:52 +02:00
Florian Fainelli
0b55561bc6 MIPS: BCM63XX: add support for "ipsec" clock 
This module is only available on BCM6368 so far and does not require
resetting the block.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: mpm@selenic.com
Cc: herbert@gondor.apana.org.au
Patchwork: https://patchwork.linux-mips.org/patch/3324/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-24 16:33:09 +02:00
Florian Fainelli
19372b2478 MIPS: BCM63xx: Add BCM6368 SPI clock mask 
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: grant.likely@secretlab.ca
Cc: spi-devel-general@lists.sourceforge.net
Patchwork: https://patchwork.linux-mips.org/patch/3319/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-23 13:54:32 +01:00
Florian Fainelli
d9831a41e3 MIPS: BCM63XX: Be consistent in clock bits enable naming 
Remove the _CLK suffix from the BCM6368 clock bits definitions to be
consistent with what is already present.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3312/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2012-07-23 13:54:32 +01:00
Maxime Bizon
04712f3ff6 MIPS: BCM63XX: Add support for bcm6368 CPU. 
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2892/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2011-12-07 22:03:04 +00:00
Maxime Bizon
e7300d04bd MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs. 
Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2009-09-17 20:07:52 +02:00