linux-toradex.git/drivers/reset, branch v5.12-rc6 Linux kernel for Apalis and Colibri modules Merge tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux 2021-02-26T18:28:35+00:00 Linus Torvalds torvalds@linux-foundation.org 2021-02-26T18:28:35+00:00 8b83369ddcb3fb9cab5c1088987ce477565bb630 Pull RISC-V updates from Palmer Dabbelt: "A handful of new RISC-V related patches for this merge window: - A check to ensure drivers are properly using uaccess. This isn't manifesting with any of the drivers I'm currently using, but may catch errors in new drivers. - Some preliminary support for the FU740, along with the HiFive Unleashed it will appear on. - NUMA support for RISC-V, which involves making the arm64 code generic. - Support for kasan on the vmalloc region. - A handful of new drivers for the Kendryte K210, along with the DT plumbing required to boot on a handful of K210-based boards. - Support for allocating ASIDs. - Preliminary support for kernels larger than 128MiB. - Various other improvements to our KASAN support, including the utilization of huge pages when allocating the KASAN regions. We may have already found a bug with the KASAN_VMALLOC code, but it's passing my tests. There's a fix in the works, but that will probably miss the merge window. * tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (75 commits) riscv: Improve kasan population by using hugepages when possible riscv: Improve kasan population function riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization riscv: Improve kasan definitions riscv: Get rid of MAX_EARLY_MAPPING_SIZE soc: canaan: Sort the Makefile alphabetically riscv: Disable KSAN_SANITIZE for vDSO riscv: Remove unnecessary declaration riscv: Add Canaan Kendryte K210 SD card defconfig riscv: Update Canaan Kendryte K210 defconfig riscv: Add Kendryte KD233 board device tree riscv: Add SiPeed MAIXDUINO board device tree riscv: Add SiPeed MAIX GO board device tree riscv: Add SiPeed MAIX DOCK board device tree riscv: Add SiPeed MAIX BiT board device tree riscv: Update Canaan Kendryte K210 device tree dt-bindings: add resets property to dw-apb-timer dt-bindings: fix sifive gpio properties dt-bindings: update sifive uart compatible string dt-bindings: update sifive clint compatible string ... 
Pull RISC-V updates from Palmer Dabbelt:
 "A handful of new RISC-V related patches for this merge window:

   - A check to ensure drivers are properly using uaccess. This isn't
     manifesting with any of the drivers I'm currently using, but may
     catch errors in new drivers.

   - Some preliminary support for the FU740, along with the HiFive
     Unleashed it will appear on.

   - NUMA support for RISC-V, which involves making the arm64 code
     generic.

   - Support for kasan on the vmalloc region.

   - A handful of new drivers for the Kendryte K210, along with the DT
     plumbing required to boot on a handful of K210-based boards.

   - Support for allocating ASIDs.

   - Preliminary support for kernels larger than 128MiB.

   - Various other improvements to our KASAN support, including the
     utilization of huge pages when allocating the KASAN regions.

  We may have already found a bug with the KASAN_VMALLOC code, but it's
  passing my tests. There's a fix in the works, but that will probably
  miss the merge window.

* tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (75 commits)
  riscv: Improve kasan population by using hugepages when possible
  riscv: Improve kasan population function
  riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
  riscv: Improve kasan definitions
  riscv: Get rid of MAX_EARLY_MAPPING_SIZE
  soc: canaan: Sort the Makefile alphabetically
  riscv: Disable KSAN_SANITIZE for vDSO
  riscv: Remove unnecessary declaration
  riscv: Add Canaan Kendryte K210 SD card defconfig
  riscv: Update Canaan Kendryte K210 defconfig
  riscv: Add Kendryte KD233 board device tree
  riscv: Add SiPeed MAIXDUINO board device tree
  riscv: Add SiPeed MAIX GO board device tree
  riscv: Add SiPeed MAIX DOCK board device tree
  riscv: Add SiPeed MAIX BiT board device tree
  riscv: Update Canaan Kendryte K210 device tree
  dt-bindings: add resets property to dw-apb-timer
  dt-bindings: fix sifive gpio properties
  dt-bindings: update sifive uart compatible string
  dt-bindings: update sifive clint compatible string
  ...
Merge tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc 2021-02-21T02:42:28+00:00 Linus Torvalds torvalds@linux-foundation.org 2021-02-21T02:42:28+00:00 e767b3530acbf651593e3d357fe1168a024d8061 Pull ARM SoC driver updates from Arnd Bergmann: "Updates for SoC specific drivers include a few subsystems that have their own maintainers but send them through the soc tree: SCMI firmware: - add support for a completion interrupt Reset controllers: - new driver for BCM4908 - new devm_reset_control_get_optional_exclusive_released() function Memory controllers: - Renesas RZ/G2 support - Tegra124 interconnect support - Allow more drivers to be loadable modules TEE/optee firmware: - minor code cleanup The other half of this is SoC specific drivers that do not belong into any other subsystem, most of them living in drivers/soc: - Allwinner/sunxi power management work - Allwinner H616 support - ASpeed AST2600 system identification support - AT91 SAMA7G5 SoC ID driver - AT91 SoC driver cleanups - Broadcom BCM4908 power management bus support - Marvell mbus cleanups - Mediatek MT8167 power domain support - Qualcomm socinfo driver support for PMIC - Qualcomm SoC identification for many more products - TI Keystone driver cleanups for PRUSS and elsewhere" * tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (89 commits) soc: aspeed: socinfo: Add new systems soc: aspeed: snoop: Add clock control logic memory: tegra186-emc: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE memory: samsung: exynos5422-dmc: Correct function names in kerneldoc memory: ti-emif-pm: Drop of_match_ptr from of_device_id table optee: simplify i2c access drivers: soc: atmel: fix type for same7 tee: optee: remove need_resched() before cond_resched() soc: qcom: ocmem: don't return NULL in of_get_ocmem optee: sync OP-TEE headers tee: optee: fix 'physical' typos drivers: optee: use flexible-array member instead of zero-length array tee: fix some comment typos in header files soc: ti: k3-ringacc: Use of_device_get_match_data() soc: ti: pruss: Refactor the CFG sub-module init soc: mediatek: pm-domains: Don't print an error if child domain is deferred soc: mediatek: pm-domains: Add domain regulator supply dt-bindings: power: Add domain regulator supply soc: mediatek: cmdq: Remove cmdq_pkt_flush() soc: mediatek: pm-domains: Add support for mt8167 ... 
Pull ARM SoC driver updates from Arnd Bergmann:
 "Updates for SoC specific drivers include a few subsystems that have
  their own maintainers but send them through the soc tree:

  SCMI firmware:
   - add support for a completion interrupt

  Reset controllers:
   - new driver for BCM4908
   - new devm_reset_control_get_optional_exclusive_released() function

  Memory controllers:
   - Renesas RZ/G2 support
   - Tegra124 interconnect support
   - Allow more drivers to be loadable modules

  TEE/optee firmware:
   - minor code cleanup

  The other half of this is SoC specific drivers that do not belong into
  any other subsystem, most of them living in drivers/soc:

   - Allwinner/sunxi power management work
   - Allwinner H616 support

   - ASpeed AST2600 system identification support

   - AT91 SAMA7G5 SoC ID driver
   - AT91 SoC driver cleanups

   - Broadcom BCM4908 power management bus support

   - Marvell mbus cleanups

   - Mediatek MT8167 power domain support

   - Qualcomm socinfo driver support for PMIC
   - Qualcomm SoC identification for many more products

   - TI Keystone driver cleanups for PRUSS and elsewhere"

* tag 'arm-drivers-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (89 commits)
  soc: aspeed: socinfo: Add new systems
  soc: aspeed: snoop: Add clock control logic
  memory: tegra186-emc: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
  memory: samsung: exynos5422-dmc: Correct function names in kerneldoc
  memory: ti-emif-pm: Drop of_match_ptr from of_device_id table
  optee: simplify i2c access
  drivers: soc: atmel: fix type for same7
  tee: optee: remove need_resched() before cond_resched()
  soc: qcom: ocmem: don't return NULL in of_get_ocmem
  optee: sync OP-TEE headers
  tee: optee: fix 'physical' typos
  drivers: optee: use flexible-array member instead of zero-length array
  tee: fix some comment typos in header files
  soc: ti: k3-ringacc: Use of_device_get_match_data()
  soc: ti: pruss: Refactor the CFG sub-module init
  soc: mediatek: pm-domains: Don't print an error if child domain is deferred
  soc: mediatek: pm-domains: Add domain regulator supply
  dt-bindings: power: Add domain regulator supply
  soc: mediatek: cmdq: Remove cmdq_pkt_flush()
  soc: mediatek: pm-domains: Add support for mt8167
  ...
ARM: remove zte zx platform 2021-01-20T09:24:19+00:00 Arnd Bergmann arnd@arndb.de 2021-01-18T13:06:09+00:00 89d4f98ae90d95716009bb89823118a8cfbb94dd The ZTE ZX set-top-box SoC platform was added in 2015 by Jun Nie, with Baoyou Xie and Shawn Guo subsequently becoming maintainers after the addition of the 64-bit variant. However, the only machines that were ever supported upstream are the reference designs, not actual set-top-box devices that would benefit from this support. All ZTE set-top-boxes from the past few years seem to be based on third-party SoCs. While there is very little information about zx296702 and zx296718 on the web, I found some references to other chips from the same family, such as zx296716 and zx296719, which were never submitted for upstream support. Finally, there is no support for the GPU on either of them, with the lima and panfrost device drivers having been added after work on the zx platform had stopped. Shawn confirmed that he has not seen any interest in this platform for the past four years, and that it can be removed. Thanks to Jun and Shawn for maintaining this platform over the past five years. Cc: Jun Nie <jun.nie@linaro.org> Cc: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> 
The ZTE ZX set-top-box SoC platform was added in 2015 by Jun Nie, with
Baoyou Xie and Shawn Guo subsequently becoming maintainers after the
addition of the 64-bit variant.

However, the only machines that were ever supported upstream are the
reference designs, not actual set-top-box devices that would benefit
from this support. All ZTE set-top-boxes from the past few years seem
to be based on third-party SoCs. While there is very little information
about zx296702 and zx296718 on the web, I found some references to other
chips from the same family, such as zx296716 and zx296719, which were
never submitted for upstream support. Finally, there is no support for
the GPU on either of them, with the lima and panfrost device drivers
having been added after work on the zx platform had stopped.

Shawn confirmed that he has not seen any interest in this platform for
the past four years, and that it can be removed.

Thanks to Jun and Shawn for maintaining this platform over the past
five years.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
riscv: Add Canaan Kendryte K210 reset controller 2021-01-14T23:08:53+00:00 Damien Le Moal damien.lemoal@wdc.com 2020-12-13T13:50:47+00:00 5a2308da9f60312addfb5f7bdd15d96ba1299480 Add a reset controller driver for the Canaan Kendryte K210 SoC. This driver relies on its syscon compatible parent node (sysctl) for its register mapping. Default this driver compilation to y when the SOC_CANAAN option is selected. The MAINTAINERS file is updated, adding the entry "CANAAN/KENDRYTE K210 SOC RESET CONTROLLER DRIVER" with myself listed as maintainer for this driver. Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> 
Add a reset controller driver for the Canaan Kendryte K210 SoC. This
driver relies on its syscon compatible parent node (sysctl) for its
register mapping. Default this driver compilation to y when the
SOC_CANAAN option is selected.

The MAINTAINERS file is updated, adding the entry "CANAAN/KENDRYTE K210
SOC RESET CONTROLLER DRIVER" with myself listed as maintainer for this
driver.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
reset: core: fix a kernel-doc markup 2021-01-14T08:22:13+00:00 Mauro Carvalho Chehab mchehab+huawei@kernel.org 2021-01-14T08:04:50+00:00 ac9b7554afeb455a74bd69dc4a8eecf49886ff48 A function has a different name between their prototype and its kernel-doc markup: ../drivers/reset/core.c:888: warning: expecting prototype for device_reset(). Prototype was for __device_reset() instead Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
A function has a different name between their prototype
and its kernel-doc markup:

	../drivers/reset/core.c:888: warning: expecting prototype for device_reset(). Prototype was for __device_reset() instead

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
reset: hisilicon: correct vendor prefix 2021-01-08T12:00:59+00:00 Zhen Lei thunder.leizhen@huawei.com 2020-12-08T12:46:38+00:00 e0d1662443ee0ee275bb5a8ab4c53d0739313290 The vendor prefix of "Hisilicon Limited" is "hisilicon", it is clearly stated in "vendor-prefixes.yaml". For backward compatibility reasons fall back to the deprecated compatible if the new one failed. Fixes: 1527058736fa ("reset: hisilicon: add reset-hi3660") Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Cc: Zhangfei Gao <zhangfei.gao@linaro.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
The vendor prefix of "Hisilicon Limited" is "hisilicon", it is clearly
stated in "vendor-prefixes.yaml".

For backward compatibility reasons fall back to the deprecated compatible
if the new one failed.

Fixes: 1527058736fa ("reset: hisilicon: add reset-hi3660")
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
reset: simple: add BCM4908 MISC PCIe reset controller support 2021-01-08T12:00:59+00:00 Rafał Miłecki rafal@milecki.pl 2020-11-27T11:14:42+00:00 def26913b66fd94e431afecf28e09c08e8c02a35 It's a trivial reset controller. One register with bit per PCIe core. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
It's a trivial reset controller. One register with bit per PCIe core.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Merge tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc 2020-12-17T00:38:41+00:00 Linus Torvalds torvalds@linux-foundation.org 2020-12-17T00:38:41+00:00 48c1c40ab40cb087b992e7b77518c3a2926743cc Pull ARM SoC driver updates from Arnd Bergmann: "There are a couple of subsystems maintained by other people that merge their drivers through the SoC tree, those changes include: - The SCMI firmware framework gains support for sensor notifications and for controlling voltage domains. - A large update for the Tegra memory controller driver, integrating it better with the interconnect framework - The memory controller subsystem gains support for Mediatek MT8192 - The reset controller framework gains support for sharing pulsed resets For Soc specific drivers in drivers/soc, the main changes are - The Allwinner/sunxi MBUS gets a rework for the way it handles dma_map_ops and offsets between physical and dma address spaces. - An errata fix plus some cleanups for Freescale Layerscape SoCs - A cleanup for renesas drivers regarding MMIO accesses. - New SoC specific drivers for Mediatek MT8192 and MT8183 power domains - New SoC specific drivers for Aspeed AST2600 LPC bus control and SoC identification. - Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660 and SDX55. - A rework of the TI AM33xx 'genpd' power domain support to use information from DT instead of platform data - Support for TI AM64x SoCs - Allow building some Amlogic drivers as modules instead of built-in Finally, there are numerous cleanups and smaller bug fixes for Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips, Renesas, and Xilinx SoCs" * tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (222 commits) soc: mediatek: mmsys: Specify HAS_IOMEM dependency for MTK_MMSYS firmware: xilinx: Properly align function parameter firmware: xilinx: Add a blank line after function declaration firmware: xilinx: Remove additional newline firmware: xilinx: Fix kernel-doc warnings firmware: xlnx-zynqmp: fix compilation warning soc: xilinx: vcu: add missing register NUM_CORE soc: xilinx: vcu: use vcu-settings syscon registers dt-bindings: soc: xlnx: extract xlnx, vcu-settings to separate binding soc: xilinx: vcu: drop useless success message clk: samsung: mark PM functions as __maybe_unused soc: samsung: exynos-chipid: initialize later - with arch_initcall soc: samsung: exynos-chipid: order list of SoCs by name memory: jz4780_nemc: Fix potential NULL dereference in jz4780_nemc_probe() memory: ti-emif-sram: only build for ARMv7 memory: tegra30: Support interconnect framework memory: tegra20: Support hardware versioning and clean up OPP table initialization dt-bindings: memory: tegra20-emc: Document opp-supported-hw property soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe() reset-controller: ti: force the write operation when assert or deassert ... 
Pull ARM SoC driver updates from Arnd Bergmann:
 "There are a couple of subsystems maintained by other people that merge
  their drivers through the SoC tree, those changes include:

   - The SCMI firmware framework gains support for sensor notifications
     and for controlling voltage domains.

   - A large update for the Tegra memory controller driver, integrating
     it better with the interconnect framework

   - The memory controller subsystem gains support for Mediatek MT8192

   - The reset controller framework gains support for sharing pulsed
     resets

  For Soc specific drivers in drivers/soc, the main changes are

   - The Allwinner/sunxi MBUS gets a rework for the way it handles
     dma_map_ops and offsets between physical and dma address spaces.

   - An errata fix plus some cleanups for Freescale Layerscape SoCs

   - A cleanup for renesas drivers regarding MMIO accesses.

   - New SoC specific drivers for Mediatek MT8192 and MT8183 power
     domains

   - New SoC specific drivers for Aspeed AST2600 LPC bus control and SoC
     identification.

   - Core Power Domain support for Qualcomm MSM8916, MSM8939, SDM660 and
     SDX55.

   - A rework of the TI AM33xx 'genpd' power domain support to use
     information from DT instead of platform data

   - Support for TI AM64x SoCs

   - Allow building some Amlogic drivers as modules instead of built-in

  Finally, there are numerous cleanups and smaller bug fixes for
  Mediatek, Tegra, Samsung, Qualcomm, TI OMAP, Amlogic, Rockchips,
  Renesas, and Xilinx SoCs"

* tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (222 commits)
  soc: mediatek: mmsys: Specify HAS_IOMEM dependency for MTK_MMSYS
  firmware: xilinx: Properly align function parameter
  firmware: xilinx: Add a blank line after function declaration
  firmware: xilinx: Remove additional newline
  firmware: xilinx: Fix kernel-doc warnings
  firmware: xlnx-zynqmp: fix compilation warning
  soc: xilinx: vcu: add missing register NUM_CORE
  soc: xilinx: vcu: use vcu-settings syscon registers
  dt-bindings: soc: xlnx: extract xlnx, vcu-settings to separate binding
  soc: xilinx: vcu: drop useless success message
  clk: samsung: mark PM functions as __maybe_unused
  soc: samsung: exynos-chipid: initialize later - with arch_initcall
  soc: samsung: exynos-chipid: order list of SoCs by name
  memory: jz4780_nemc: Fix potential NULL dereference in jz4780_nemc_probe()
  memory: ti-emif-sram: only build for ARMv7
  memory: tegra30: Support interconnect framework
  memory: tegra20: Support hardware versioning and clean up OPP table initialization
  dt-bindings: memory: tegra20-emc: Document opp-supported-hw property
  soc: rockchip: io-domain: Fix error return code in rockchip_iodomain_probe()
  reset-controller: ti: force the write operation when assert or deassert
  ...
reset-controller: ti: force the write operation when assert or deassert 2020-12-03T07:44:57+00:00 Crystal Guo crystal.guo@mediatek.com 2020-09-30T02:21:59+00:00 d06c4dec98b655e2808d2a59681ec24197c59c9d Force the write operation in case the read already happens to return the correct value. Signed-off-by: Crystal Guo <crystal.guo@mediatek.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
Force the write operation in case the read already happens
to return the correct value.

Signed-off-by: Crystal Guo <crystal.guo@mediatek.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
reset: socfpga: add error handling and release mem-region 2020-12-01T10:37:12+00:00 Dinh Nguyen dinguyen@kernel.org 2020-11-09T19:21:41+00:00 0d625a167b169f0bfdfd2e4dc05b9c89b81efe98 In case of an error, call release_mem_region when an error happens during allocation of resources. Also add error handling for the case that reset_controller_register fails. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
In case of an error, call release_mem_region when an error happens
during allocation of resources. Also add error handling for the case
that reset_controller_register fails.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>