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20 Commits

Author SHA1 Message Date
Joel Stanley 4da595ddc0 soc: aspeed: Enable drivers with ARCH_ASPEED 
Default the drivers to on as most configurations will use them.

Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-11-19 23:01:36 +10:30
Dan Carpenter 0f0c9c7022 soc: aspeed: Fix a reference leak in aspeed_socinfo_init() 
This needs to call of_node_put(np) before returning if of_iomap() fails.

Fixes: e0218dca57 ("soc: aspeed: Add soc info driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20201113100850.GA168908@mwanda
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-11-19 23:01:15 +10:30
Tom Rix 959b981dc7 soc: aspeed: remove unneeded semicolon 
A semicolon is not needed after a switch statement.

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201101150622.2288203-1-trix@redhat.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-11-19 23:01:14 +10:30
Joel Stanley cd460be046 soc: aspeed-lpc-ctrl: Fix driver name 
Clarify the string now that it supports the AST2600 too.

Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-09-25 14:54:42 +09:30
Joel Stanley 4d1d81dbc9 soc: aspeed-lpc-ctrl: Fix whitespace 
Some misaligned indentation I noticed when applying another patch.

Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-09-25 14:54:42 +09:30
Joel Stanley 5042d3f278 soc: aspeed-lpc-ctrl: LPC to AHB mapping on ast2600 
The ast2600 disables the mapping of AHB memory regions by default,
only allowing the LPC window to point to SPI NOR. In order to point the
window to any AHB address, an ast2600 specific bit must be toggled.

Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20200312121413.294384-1-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-09-25 14:54:42 +09:30
Andrew Jeffery 6bf4ddbe2b soc: aspeed-lpc-ctrl: Fail probe of lpc-ctrl if reserved memory is not aligned 
Alignment is a hardware constraint of the LPC2AHB bridge, and misaligned
reserved memory will present as corrupted data.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20191016233950.10100-1-andrew@aj.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-09-25 14:08:14 +09:30
Brad Bishop 44ddc4de87 soc: aspeed: lpc: Add AST2600 compatible strings 
The AST2600 has the same lpc-ctrl and lpc-snoop devices as the
AST2500.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20190925125610.12096-4-bradleyb@fuzziesquirrel.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-09-25 14:02:43 +09:30
Joel Stanley e0218dca57 soc: aspeed: Add soc info driver 
This adds a SOC_BUS info driver for the ASPEED platform.

The full ID table is preserved in this commit message in case someone
finds a need to change the implemntation in the future.

	{ "AST1100-A0", 0x00000200 },
	{ "AST1100-A1", 0x00000201 },
	{ "AST1100-A2", 0x00000202 },
	{ "AST1100-A3", 0x00000202 },

	{ "AST2050-A0", 0x00000200 },
	{ "AST2050-A1", 0x00000201 },
	{ "AST2050-A2", 0x00000202 },
	{ "AST2050-A3", 0x00000202 },

	{ "AST2100-A0", 0x00000300 },
	{ "AST2100-A1", 0x00000301 },
	{ "AST2100-A2", 0x00000302 },
	{ "AST2100-A3", 0x00000302 },

	{ "AST2150-A0", 0x00000202 },
	{ "AST2150-A1", 0x00000202 },

	{ "AST2200-A0", 0x00000102 },
	{ "AST2200-A1", 0x00000102 },

	{ "AST2300-A0", 0x01000003 },
	{ "AST2300-A1", 0x01010303 },

	{ "AST1300-A1", 0x01010003 },
	{ "AST1050-A1", 0x01010203 },

	{ "AST2400-A0", 0x02000303 },
	{ "AST2400-A1", 0x02010303 },
	{ "AST1400-A1", 0x02010103 },
	{ "AST1250-A1", 0x02010303 },

	{ "AST2500-A0", 0x04000303 },
	{ "AST2510-A0", 0x04000103 },
	{ "AST2520-A0", 0x04000203 },
	{ "AST2530-A0", 0x04000403 },
	{ "AST2500-A1", 0x04010303 },
	{ "AST2510-A1", 0x04010103 },
	{ "AST2520-A1", 0x04010203 },
	{ "AST2530-A1", 0x04010403 },
	{ "AST2500-A2", 0x04030303 },
	{ "AST2510-A2", 0x04030103 },
	{ "AST2520-A2", 0x04030203 },
	{ "AST2530-A2", 0x04030403 },

	{ "AST2600-A0", 0x05000303 },
	{ "AST2600-A1", 0x05010303 },
	{ "AST2600-A2", 0x05020303 },
	{ "AST2620-A1", 0x05010203 },
	{ "AST2620-A2", 0x05020203 },

Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20200921091644.133107-3-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-09-25 10:14:06 +09:30
Joel Stanley 592693a1f8 soc: aspeed: Improve kconfig 
Reword the kconfig text to be consistent and reflect that most drivers
are available for all supported ASPEED chips (2400, 2500 and 2600).

Rearrange the symbols the SoC drivers depend on so the menu doesn't
appear unless you are building for ASPEED for compile testing.

The SYSCON_MFD and REGMAP options are usually selected by drivers that
need them, so do this.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20200916125731.784527-1-joel@jms.id.au
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2020-09-21 18:50:27 +09:30
Masahiro Yamada a7f7f6248d treewide: replace '---help---' in Kconfig files with 'help' 
Since commit 84af7a6194 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.

This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.

There are a variety of indentation styles found.

  a) 4 spaces + '---help---'
  b) 7 spaces + '---help---'
  c) 8 spaces + '---help---'
  d) 1 space + 1 tab + '---help---'
  e) 1 tab + '---help---'    (correct indentation)
  f) 1 tab + 1 space + '---help---'
  g) 1 tab + 2 spaces + '---help---'

In order to convert all of them to 1 tab + 'help', I ran the
following commend:

  $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2020-06-14 01:57:21 +09:00
Luc Van Oostenryck a4e55ccd43 soc: aspeed: Fix snoop_file_poll()'s return type 
snoop_file_poll() is defined as returning 'unsigned int' but the
.poll method is declared as returning '__poll_t', a bitwise type.

Fix this by using the proper return type and using the EPOLL
constants instead of the POLL ones, as required for __poll_t.

Link: https://lore.kernel.org/r/20191121051851.268726-1-joel@jms.id.au
Fixes: 3772e5da44 ("drivers/misc: Aspeed LPC snoop output using misc chardev")
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2019-12-05 10:10:08 -08:00
Olof Johansson 0aa447e5ce ASPEED SoC updates for 5.3 
LPC control driver changes and a fix.
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Merge tag 'aspeed-5.3-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed into arm/drivers

ASPEED SoC updates for 5.3

LPC control driver changes and a fix.

* tag 'aspeed-5.3-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed:
  soc: aspeed: lpc-ctrl: Fix probe error handling
  soc: aspeed: lpc-ctrl: make parameter optional

Signed-off-by: Olof Johansson <olof@lixom.net>
 2019-06-25 05:43:16 -07:00
Joel Stanley c8a3b9b50d soc: aspeed: lpc-ctrl: Fix probe error handling 
gcc warns that a mising "flash" phandle node leads to undefined
behavior later:

drivers/soc/aspeed/aspeed-lpc-ctrl.c: In function 'aspeed_lpc_ctrl_probe':
drivers/soc/aspeed/aspeed-lpc-ctrl.c:201:18: error: '*((void *)&resm+8)' may be used uninitialized in this function [-Werror=maybe-uninitialized]

Only set the flash base and size if we find a phandle in the device
tree.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2019-06-22 16:56:35 +09:30
Vijay Khemka e4272af424 soc: aspeed: lpc-ctrl: make parameter optional 
Making memory-region and flash as optional parameter in device
tree if user needs to use these parameter through ioctl then
need to define in devicetree.

Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
 2019-06-17 13:36:51 +09:30
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-05-30 11:26:32 -07:00
Thomas Gleixner ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig 
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-05-21 10:50:46 +02:00
Linus Torvalds dc413a90ed ARM: SoC-related driver updates 
Various driver updates for platforms and a couple of the small driver
 subsystems we merge through our tree:
 
 Among the larger pieces:
 
  - Power management improvements for TI am335x and am437x (RTC suspend/wake)
  - Misc new additions for Amlogic (socinfo updates)
  - ZynqMP FPGA manager
  - Nvidia improvements for reset/powergate handling
  - PMIC wrapper for Mediatek MT8516
  - Misc fixes/improvements for ARM SCMI, TEE, NXP i.MX SCU drivers
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC-related driver updates from Olof Johansson:
 "Various driver updates for platforms and a couple of the small driver
  subsystems we merge through our tree:

  Among the larger pieces:

   - Power management improvements for TI am335x and am437x (RTC
     suspend/wake)

   - Misc new additions for Amlogic (socinfo updates)

   - ZynqMP FPGA manager

   - Nvidia improvements for reset/powergate handling

   - PMIC wrapper for Mediatek MT8516

   - Misc fixes/improvements for ARM SCMI, TEE, NXP i.MX SCU drivers"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
  soc: aspeed: fix Kconfig
  soc: add aspeed folder and misc drivers
  spi: zynqmp: Fix build break
  soc: imx: Add generic i.MX8 SoC driver
  MAINTAINERS: Update email for Qualcomm SoC maintainer
  memory: tegra: Fix a typos for "fdcdwr2" mc client
  Revert "ARM: tegra: Restore memory arbitration on resume from LP1 on Tegra30+"
  memory: tegra: Replace readl-writel with mc_readl-mc_writel
  memory: tegra: Fix integer overflow on tick value calculation
  memory: tegra: Fix missed registers values latching
  ARM: tegra: cpuidle: Handle tick broadcasting within cpuidle core on Tegra20/30
  optee: allow to work without static shared memory
  soc/tegra: pmc: Move powergate initialisation to probe
  soc/tegra: pmc: Remove reset sysfs entries on error
  soc/tegra: pmc: Fix reset sources and levels
  soc: amlogic: meson-gx-pwrc-vpu: Add support for G12A
  soc: amlogic: meson-gx-pwrc-vpu: Fix power on/off register bitmask
  fpga manager: Adding FPGA Manager support for Xilinx zynqmp
  dt-bindings: fpga: Add bindings for ZynqMP fpga driver
  firmware: xilinx: Add fpga API's
  ...
 2019-05-16 09:19:14 -07:00
Olof Johansson 80d0c64924 soc: aspeed: fix Kconfig 
Fixes build break:

scripts/kconfig/conf  --allnoconfig Kconfig
drivers/soc/Kconfig:24: 'menu' in different file than 'menu'
drivers/soc/aspeed/Kconfig:1: location of the 'menu'
drivers/Kconfig:233: 'menu' in different file than 'menu'
drivers/soc/aspeed/Kconfig:1: location of the 'menu'
<none>:34: syntax error

Signed-off-by: Patrick Venture <venture@google.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2019-04-29 12:25:46 -07:00
Patrick Venture 524feb7994 soc: add aspeed folder and misc drivers 
Create a SoC folder for the ASPEED parts and place the misc drivers
currently present into this folder.  These drivers are not generic part
drivers, but rather only apply to the ASPEED SoCs.

Signed-off-by: Patrick Venture <venture@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2019-04-29 09:36:34 -07:00