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Author SHA1 Message Date
Linus Torvalds
815d469d8c One more patch to remove io.h from clk-provider.h. We used to need this 
include when we had clk_readl() and clk_writel(), but those are gone now
 so this patch pushes the dependency out to the users of clk-provider.h.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull more clk framework updates from Stephen Boyd:
 "One more patch to remove io.h from clk-provider.h.

  We used to need this include when we had clk_readl() and clk_writel(),
  but those are gone now so this patch pushes the dependency out to the
  users of clk-provider.h"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: Remove io.h from clk-provider.h
 2019-05-16 19:05:35 -07:00
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
Stephen Boyd
62e59c4e69 clk: Remove io.h from clk-provider.h 
Now that we've gotten rid of clk_readl() we can remove io.h from the
clk-provider header and push out the io.h include to any code that isn't
already including the io.h header but using things like readl/writel,
etc.

Found with this grep:

  git grep -l clk-provider.h | grep '.c$' | xargs git grep -L 'linux/io.h' | \
  	xargs git grep -l \
	-e '\<__iowrite32_copy\>' --or \
	-e '\<__ioread32_copy\>' --or \
	-e '\<__iowrite64_copy\>' --or \
	-e '\<ioremap_page_range\>' --or \
	-e '\<ioremap_huge_init\>' --or \
	-e '\<arch_ioremap_pud_supported\>' --or \
	-e '\<arch_ioremap_pmd_supported\>' --or \
	-e '\<devm_ioport_map\>' --or \
	-e '\<devm_ioport_unmap\>' --or \
	-e '\<IOMEM_ERR_PTR\>' --or \
	-e '\<devm_ioremap\>' --or \
	-e '\<devm_ioremap_nocache\>' --or \
	-e '\<devm_ioremap_wc\>' --or \
	-e '\<devm_iounmap\>' --or \
	-e '\<devm_ioremap_release\>' --or \
	-e '\<devm_memremap\>' --or \
	-e '\<devm_memunmap\>' --or \
	-e '\<__devm_memremap_pages\>' --or \
	-e '\<pci_remap_cfgspace\>' --or \
	-e '\<arch_has_dev_port\>' --or \
	-e '\<arch_phys_wc_add\>' --or \
	-e '\<arch_phys_wc_del\>' --or \
	-e '\<memremap\>' --or \
	-e '\<memunmap\>' --or \
	-e '\<arch_io_reserve_memtype_wc\>' --or \
	-e '\<arch_io_free_memtype_wc\>' --or \
	-e '\<__io_aw\>' --or \
	-e '\<__io_pbw\>' --or \
	-e '\<__io_paw\>' --or \
	-e '\<__io_pbr\>' --or \
	-e '\<__io_par\>' --or \
	-e '\<__raw_readb\>' --or \
	-e '\<__raw_readw\>' --or \
	-e '\<__raw_readl\>' --or \
	-e '\<__raw_readq\>' --or \
	-e '\<__raw_writeb\>' --or \
	-e '\<__raw_writew\>' --or \
	-e '\<__raw_writel\>' --or \
	-e '\<__raw_writeq\>' --or \
	-e '\<readb\>' --or \
	-e '\<readw\>' --or \
	-e '\<readl\>' --or \
	-e '\<readq\>' --or \
	-e '\<writeb\>' --or \
	-e '\<writew\>' --or \
	-e '\<writel\>' --or \
	-e '\<writeq\>' --or \
	-e '\<readb_relaxed\>' --or \
	-e '\<readw_relaxed\>' --or \
	-e '\<readl_relaxed\>' --or \
	-e '\<readq_relaxed\>' --or \
	-e '\<writeb_relaxed\>' --or \
	-e '\<writew_relaxed\>' --or \
	-e '\<writel_relaxed\>' --or \
	-e '\<writeq_relaxed\>' --or \
	-e '\<readsb\>' --or \
	-e '\<readsw\>' --or \
	-e '\<readsl\>' --or \
	-e '\<readsq\>' --or \
	-e '\<writesb\>' --or \
	-e '\<writesw\>' --or \
	-e '\<writesl\>' --or \
	-e '\<writesq\>' --or \
	-e '\<inb\>' --or \
	-e '\<inw\>' --or \
	-e '\<inl\>' --or \
	-e '\<outb\>' --or \
	-e '\<outw\>' --or \
	-e '\<outl\>' --or \
	-e '\<inb_p\>' --or \
	-e '\<inw_p\>' --or \
	-e '\<inl_p\>' --or \
	-e '\<outb_p\>' --or \
	-e '\<outw_p\>' --or \
	-e '\<outl_p\>' --or \
	-e '\<insb\>' --or \
	-e '\<insw\>' --or \
	-e '\<insl\>' --or \
	-e '\<outsb\>' --or \
	-e '\<outsw\>' --or \
	-e '\<outsl\>' --or \
	-e '\<insb_p\>' --or \
	-e '\<insw_p\>' --or \
	-e '\<insl_p\>' --or \
	-e '\<outsb_p\>' --or \
	-e '\<outsw_p\>' --or \
	-e '\<outsl_p\>' --or \
	-e '\<ioread8\>' --or \
	-e '\<ioread16\>' --or \
	-e '\<ioread32\>' --or \
	-e '\<ioread64\>' --or \
	-e '\<iowrite8\>' --or \
	-e '\<iowrite16\>' --or \
	-e '\<iowrite32\>' --or \
	-e '\<iowrite64\>' --or \
	-e '\<ioread16be\>' --or \
	-e '\<ioread32be\>' --or \
	-e '\<ioread64be\>' --or \
	-e '\<iowrite16be\>' --or \
	-e '\<iowrite32be\>' --or \
	-e '\<iowrite64be\>' --or \
	-e '\<ioread8_rep\>' --or \
	-e '\<ioread16_rep\>' --or \
	-e '\<ioread32_rep\>' --or \
	-e '\<ioread64_rep\>' --or \
	-e '\<iowrite8_rep\>' --or \
	-e '\<iowrite16_rep\>' --or \
	-e '\<iowrite32_rep\>' --or \
	-e '\<iowrite64_rep\>' --or \
	-e '\<__io_virt\>' --or \
	-e '\<pci_iounmap\>' --or \
	-e '\<virt_to_phys\>' --or \
	-e '\<phys_to_virt\>' --or \
	-e '\<ioremap_uc\>' --or \
	-e '\<ioremap\>' --or \
	-e '\<__ioremap\>' --or \
	-e '\<iounmap\>' --or \
	-e '\<ioremap\>' --or \
	-e '\<ioremap_nocache\>' --or \
	-e '\<ioremap_uc\>' --or \
	-e '\<ioremap_wc\>' --or \
	-e '\<ioremap_wc\>' --or \
	-e '\<ioremap_wt\>' --or \
	-e '\<ioport_map\>' --or \
	-e '\<ioport_unmap\>' --or \
	-e '\<ioport_map\>' --or \
	-e '\<ioport_unmap\>' --or \
	-e '\<xlate_dev_kmem_ptr\>' --or \
	-e '\<xlate_dev_mem_ptr\>' --or \
	-e '\<unxlate_dev_mem_ptr\>' --or \
	-e '\<virt_to_bus\>' --or \
	-e '\<bus_to_virt\>' --or \
	-e '\<memset_io\>' --or \
	-e '\<memcpy_fromio\>' --or \
	-e '\<memcpy_toio\>'

I also reordered a couple includes when they weren't alphabetical and
removed clk.h from kona, replacing it with clk-provider.h because
that driver doesn't use clk consumer APIs.

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Cc: Chris Zankel <chris@zankel.net>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: John Crispin <john@phrozen.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-15 13:21:37 -07:00
Stephen Boyd
c1157f60d7 Merge branch 'clk-parent-rewrite-1' into clk-next 
- Rewrite how clk parents can be specified to be DT/clkdev based instead
   of just string based

* clk-parent-rewrite-1:
  clk: Cache core in clk_fetch_parent_index() without names
  clk: fixed-factor: Initialize clk_init_data on stack
  clk: fixed-factor: Let clk framework find parent
  clk: Allow parents to be specified via clkspec index
  clk: Look for parents with clkdev based clk_lookups
  clk: Allow parents to be specified without string names
  clk: Add of_clk_hw_register() API for early clk drivers
  driver core: Let dev_of_node() accept a NULL dev
  clk: Prepare for clk registration API that uses DT nodes
  clkdev: Move clk creation outside of 'clocks_mutex'
 2019-05-07 11:46:13 -07:00
Stephen Boyd
0caf000817 Merge branch 'clk-ti' into clk-next 
* clk-ti:
  clk: Remove CLK_IS_BASIC clk flag
  clk: ti: dra7: disable the RNG and TIMER12 clkctrl clocks on HS devices
  clk: ti: dra7x: prevent non-existing clkctrl clocks from registering
  ARM: omap2+: hwmod: drop CLK_IS_BASIC flag usage
  clk: ti: export the omap2_clk_is_hw_omap call
 2019-05-07 11:46:02 -07:00
Stephen Boyd
ff060019f4 Merge branches 'clk-stm32f4', 'clk-tegra', 'clk-at91', 'clk-sifive-fu540' and 'clk-spdx' into clk-next 
- Support for STM32F769
 - Rework AT91 sckc DT bindings
 - Fix slow RC oscillator issue on sama5d3
 - AT91 sam9x60 PMC support
 - SiFive FU540 PRCI and PLL support

* clk-stm32f4:
  clk: stm32mp1: Add ddrperfm clock
  clk: stm32: Introduce clocks of STM32F769 board

* clk-tegra:
  clk: tegra: divider: Mark Memory Controller clock as read-only
  clk: tegra: emc: Replace BUG() with WARN_ONCE()
  clk: tegra: emc: Fix EMC max-rate clamping
  clk: tegra: emc: Support multiple RAM codes
  clk: tegra: emc: Don't enable EMC clock manually
  clk: tegra124: Remove lock-enable bit from PLLM
  clk: tegra: Fix PLLM programming on Tegra124+ when PMC overrides divider
  clk: tegra: Don't enable already enabled PLLs

* clk-at91:
  clk: at91: Mark struct clk_range as const
  clk: at91: add sam9x60 pmc driver
  dt-bindings: clk: at91: add bindings for SAM9X60 pmc
  clk: at91: add sam9x60 PLL driver
  clk: at91: master: Add sam9x60 support
  clk: at91: usb: Add sam9x60 support
  clk: at91: allow configuring generated PCR layout
  clk: at91: allow configuring peripheral PCR layout
  clk: at91: sckc: handle different RC startup time
  clk: at91: modernize sckc binding
  dt-bindings: clock: at91: new sckc bindings

* clk-sifive-fu540:
  clk: sifive: add a driver for the SiFive FU540 PRCI IP block
  clk: analogbits: add Wide-Range PLL library
  dt-bindings: clk: add documentation for the SiFive PRCI driver

* clk-spdx:
  clk: sunxi-ng: Use the correct style for SPDX License Identifier
  clk: sprd: Use the correct style for SPDX License Identifier
  clk: renesas: Use the correct style for SPDX License Identifier
  clk: qcom: Use the correct style for SPDX License Identifier
  clk: davinci: Use the correct style for SPDX License Identifier
  clk: actions: Use the correct style for SPDX License Identifier
 2019-05-07 11:45:29 -07:00
Stephen Boyd
5816b74581 Merge branches 'clk-hisi', 'clk-lochnagar', 'clk-allwinner', 'clk-rockchip' and 'clk-qoriq' into clk-next 
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
 - Support for Cirrus Logic Lochnagar clks

* clk-hisi:
  clk: hi3660: Mark clk_gate_ufs_subsys as critical

* clk-lochnagar:
  clk: lochnagar: Add support for the Cirrus Logic Lochnagar
  clk: lochnagar: Add initial binding documentation

* clk-allwinner:
  clk: sunxi-ng: sun5i: Export the MBUS clock
  clk: sunxi-ng: a83t: Add pll-video0 as parent of csi-mclk
  clk: sunxi-ng: h6: Allow video & vpu clocks to change parent rate
  clk: sunxi-ng: h6: Preset hdmi-cec clock parent
  clk: sunxi: Add Kconfig options
  clk: sunxi-ng: f1c100s: fix USB PHY gate bit offset
  clk: sunxi-ng: Allow DE clock to set parent rate

* clk-rockchip:
  clk: rockchip: undo several noc and special clocks as critical on rk3288
  clk: rockchip: add a COMPOSITE_DIV_OFFSET clock-type
  clk: rockchip: Turn on "aclk_dmac1" for suspend on rk3288
  clk: rockchip: Limit use of USB PHY clock to USB on rk3288
  clk: rockchip: Fix video codec clocks on rk3288
  clk: rockchip: Make rkpwm a critical clock on rk3288
  clk: rockchip: fix wrong clock definitions for rk3328

* clk-qoriq:
  clk: qoriq: increase array size of cmux_to_group
  dt-bindings: qoriq-clock: Add ls1028a chip compatible string
  clk: qoriq: Add ls1028a clock configuration
  clk: qoriq: add more PLL divider clocks support
  dt-bindings: qoriq-clock: add more PLL divider clocks support
 2019-05-07 11:45:13 -07:00
Stephen Boyd
7e9c62bdb4 Merge branches 'clk-sa', 'clk-aspeed', 'clk-samsung', 'clk-ingenic' and 'clk-zynq' into clk-next 
- Various static analysis fixes/finds
 - Video Engine (ECLK) support on Aspeed SoCs
 - Xilinx ZynqMP Versal platform support
 - Convert Xilinx ZynqMP driver to be struct oriented

* clk-sa:
  clk: mvebu: fix spelling mistake "gatable" -> "gateable"
  clk: ux500: add range to usleep_range
  clk: tegra: Make tegra_clk_super_mux_ops static
  clk: davinci: cfgchip: use PTR_ERR_OR_ZERO in da8xx_cfgchip_register_div4p5

* clk-aspeed:
  clk: Aspeed: Setup video engine clocking

* clk-samsung:
  clk: samsung: exynos5410: Add gate clock for ADC
  clk: samsung: dt-bindings: Add ADC clock ID to Exynos5410
  clk: samsung: dt-bindings: Put CLK_UART3 in order

* clk-ingenic:
  clk: ingenic: jz4725b: Add UDC PHY clock
  dt-bindings: clock: jz4725b-cgu: Add UDC PHY clock

* clk-zynq:
  clk: zynqmp: use structs for clk query responses
  clk: zynqmp: fix check for fractional clock
  clk: zynqmp: do not export zynqmp_clk_register_* functions
  clk: zynqmp: fix kerneldoc of __zynqmp_clock_get_parents
  drivers: clk: Update clock driver to handle clock attribute
  drivers: clk: zynqmp: Allow zero divisor value
 2019-05-07 11:44:56 -07:00
Stephen Boyd
f6111b9d79 Merge branches 'clk-doc', 'clk-more-critical', 'clk-meson' and 'clk-basic-be' into clk-next 
- Remove clk_readl() and introduce BE versions of basic clk types

* clk-doc:
  clk: Drop duplicate clk_register() documentation
  clk: Document and simplify clk_core_get_rate_nolock()
  clk: Remove 'flags' member of struct clk_fixed_rate
  clk: nxp: Drop 'flags' on fixed_rate clk macro
  clk: Document __clk_mux_determine_rate()
  clk: Document CLK_MUX_READ_ONLY mux flag
  clk: Document deprecated things
  clk: Collapse gpio clk kerneldoc

* clk-more-critical:
  clk: highbank: Convert to CLK_IS_CRITICAL

* clk-meson: (21 commits)
  clk: meson: axg-audio: add g12a support
  clk: meson: axg-audio: don't register inputs in the onecell data
  clk: meson: axg_audio: replace prefix axg by aud
  dt-bindings: clk: axg-audio: add g12a support
  clk: meson: meson8b: add the video decoder clock trees
  clk: meson: meson8b: add the VPU clock trees
  clk: meson: meson8b: add support for the GP_PLL clock on Meson8m2
  clk: meson: meson8b: use a separate clock table for Meson8m2
  dt-bindings: clock: meson8b: export the video decoder clocks
  clk: meson-g12a: add video decoder clocks
  dt-bindings: clock: meson8b: export the VPU clock
  clk: meson-g12a: add PCIE PLL clocks
  dt-bindings: clock: g12a-aoclk: expose CLKID_AO_CTS_OSCIN
  clk: meson-pll: add reduced specific clk_ops for G12A PCIe PLL
  dt-bindings: clock: meson8b: drop the "ABP" clock definition
  clk: meson: g12a: add cpu clocks
  dt-bindings: clk: g12a-clkc: add VDEC clock IDs
  dt-bindings: clock: axg-audio: unexpose controller inputs
  dt-bindings: clk: g12a-clkc: add PCIE PLL clock ID
  clk: g12a-aoclk: re-export CLKID_AO_SAR_ADC_SEL clock id
  ...

* clk-basic-be:
  clk: core: replace clk_{readl,writel} with {readl,writel}
  clk: core: remove powerpc special handling
  powerpc/512x: mark clocks as big endian
  clk: mux: add explicit big endian support
  clk: multiplier: add explicit big endian support
  clk: gate: add explicit big endian support
  clk: fractional-divider: add explicit big endian support
  clk: divider: add explicit big endian support
 2019-05-07 11:44:42 -07:00
Stephen Boyd
2ed3b9103a Merge branches 'clk-renesas', 'clk-qcom', 'clk-mtk', 'clk-milbeaut' and 'clk-imx' into clk-next 
- Qualcomm QCS404 CDSP clk support
 - Qualcomm QCS404 Turing clk support
 - Mediatek MT8183 clock support
 - Mediatek MT8516 clock support
 - Milbeaut M10V clk controller support

* clk-renesas:
  clk: renesas: rcar-gen3: Remove unused variable
  clk: renesas: rcar-gen3: Fix cpg_sd_clock_round_rate() return value
  clk: renesas: r8a77980: Fix RPC-IF module clock's parent
  clk: renesas: rcar-gen3: Rename DRIF clocks
  clk: renesas: rcar-gen3: Correct parent clock of Audio-DMAC
  clk: renesas: rcar-gen3: Correct parent clock of SYS-DMAC
  clk: renesas: rcar-gen3: Correct parent clock of HS-USB
  clk: renesas: rcar-gen3: Correct parent clock of EHCI/OHCI
  clk: renesas: r8a774c0: Add Z2 clock
  clk: renesas: r8a77990: Add Z2 clock
  clk: renesas: rcar-gen3: Support Z and Z2 clocks with high frequency parents
  math64: New DIV64_U64_ROUND_CLOSEST helper
  clk: renesas: rcar-gen3: Remove CLK_TYPE_GEN3_Z2
  clk: renesas: rcar-gen3: Parameterise Z and Z2 clock offset
  clk: renesas: rcar-gen3: Parameterise Z and Z2 clock fixed divisor
  clk: renesas: r9a06g032: Add missing PCI USB clock
  clk: renesas: r7s9210: Always use readl()
  clk: renesas: rcar-gen3: Pass name/offset to cpg_sd_clk_register()

* clk-qcom:
  clk: qcom: Skip halt checks on gcc_pcie_0_pipe_clk for 8998
  clk: qcom: Add QCS404 TuringCC
  clk: qcom: branch: Add AON clock ops
  dt-bindings: clock: Introduce Qualcomm Turing Clock controller
  clk: qcom: gcc-qcs404: Add CDSP related clocks and resets

* clk-mtk:
  clk: mediatek: add clock driver for MT8516
  dt-bindings: mediatek: apmixedsys: add support for MT8516
  dt-bindings: mediatek: infracfg: add support for MT8516
  dt-bindings: mediatek: topckgen: add support for MT8516
  clk: mediatek: Allow changing PLL rate when it is off
  clk: mediatek: Add MT8183 clock support
  clk: mediatek: Add configurable pcw_chg_reg to mtk_pll_data
  clk: mediatek: Add dt-bindings for MT8183 clocks
  dt-bindings: ARM: Mediatek: Document bindings for MT8183
  clk: mediatek: Add configurable pcwibits and fmin to mtk_pll_data
  clk: mediatek: Add new clkmux register API
  clk: mediatek: Disable tuner_en before change PLL rate

* clk-milbeaut:
  clock: milbeaut: Add Milbeaut M10V clock controller
  dt-bindings: clock: milbeaut: add Milbeaut clock description

* clk-imx:
  clk: imx: correct pfdv2 gate_bit/vld_bit operations
  clk: imx: clk-pllv3: mark expected switch fall-throughs
  clk: imx8mq: Add dsi_ipg_div
  clk: imx: pllv4: add fractional-N pll support
  clk: imx: keep uart clock on during system boot
  clk: imx: correct i.MX7D AV PLL num/denom offset
  clk: imx6sll: Fix mispelling uart4_serial as serail
  clk: imx: pll14xx: drop unused variable
  clk: imx: rename clk-imx51-imx53.c to clk-imx5.c
  clk: imx5: Fix i.MX50 ESDHC clock registers
  clk: imx5: Fix i.MX50 mainbus clock registers
  clk: imx: Remove unused imx_get_clk_hw_fixed
  dt-bindings: clock: imx7ulp: remove SNVS clock
  clk: imx7ulp: remove snvs clock
 2019-05-07 11:44:21 -07:00
Stephen Boyd
1a079560b1 clk: Cache core in clk_fetch_parent_index() without names 
If a clk has specified parents via clk_hw pointers it won't specify the
globally unique names for the parents. Without the unique names, we
can't fallback to comparing them against the name of the 'parent'
pointer here. Therefore, do a pointer comparison against the clk_hw
pointers too and cache the clk_core structure if they match. This fixes
parent lookup code for clks that only specify clk_hw pointers and
nothing else, like muxes that are purely inside a clk controller.

Similarly, if the parent pointer isn't cached after trying to match
clk_core or clk_hw pointers, lookup the pointer from DT or via clkdev
lookups instead of relying purely on the globally unique clk name match.
This should allow us to move away from having to specify global names
for clk parents entirely.

While we're in the area, add some comments so it's clearer what's going
on. The if statements don't lend themselves to much clarity in their raw
form.

Fixes: fc0c209c14 ("clk: Allow parents to be specified without string names")
Reported-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-03 10:38:01 -07:00
Anson Huang
a5a627c676 clk: imx: correct pfdv2 gate_bit/vld_bit operations 
The operations of pfdv2 gate_bit/valid_bit are incorrect,
they are defined as u8 for bit offset, but gate_bit is
actually assigned as mask which could be 32 bit long and
it causes overflow, and vld_bit is assigned as bit offset
based on incorrect gate_bit value, it causes incorrect
pfd clock gate status in clock tree, this patch fixes the
issue by assigning them as correct bit offset.

Fixes: 9fcb6be3b6 ("clk: imx: add pfdv2 support")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-03 09:31:54 -07:00
Paul Walmsley
30b8e27e3b clk: sifive: add a driver for the SiFive FU540 PRCI IP block 
Add driver code for the SiFive FU540 PRCI IP block.  This IP block
handles reset and clock control for the SiFive FU540 device and
implements SoC-level clock tree controls and dividers.

Based on code written by Wesley Terpstra <wesley@sifive.com>:
999529edf5

Boot and PLL rate change were tested on a SiFive HiFive Unleashed
board.

This version includes several changes requested by Stephen Boyd
<sboyd@kernel.org>.

Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Wesley W. Terpstra <wesley@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Megan Wachs <megan@sifive.com>
Cc: linux-riscv@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-clk@vger.kernel.org
[sboyd@kernel.org: Fix some const and ARRAY_SIZE() issues, make makefile
only descend if CLK_SIFIVE=y]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-03 09:20:56 -07:00
Paul Walmsley
7b9487a9a5 clk: analogbits: add Wide-Range PLL library 
Add common library code for the Analog Bits Wide-Range PLL (WRPLL) IP
block, as implemented in TSMC CLN28HPC.

There is no bus interface or register target associated with this PLL.
This library is intended to be used by drivers for IP blocks that
expose registers connected to the PLL configuration and status
signals.

Based on code originally written by Wesley Terpstra
<wesley@sifive.com>:
999529edf5

This version incorporates several changes requested by Stephen
Boyd <sboyd@kernel.org>.

Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Wesley Terpstra <wesley@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Megan Wachs <megan@sifive.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
[sboyd@kernel.org: Fix some const issues]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-03 09:20:48 -07:00
Gustavo A. R. Silva
53dd5c709b clk: imx: clk-pllv3: mark expected switch fall-throughs 
In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.

This patch fixes the following warnings:

drivers/clk/imx/clk-pllv3.c: In function ‘imx_clk_pllv3’:
drivers/clk/imx/clk-pllv3.c:446:18: warning: this statement may fall through [-Wimplicit-fallthrough=]
   pll->div_shift = 1;
   ~~~~~~~~~~~~~~~^~~
drivers/clk/imx/clk-pllv3.c:447:2: note: here
  case IMX_PLLV3_USB:
  ^~~~
drivers/clk/imx/clk-pllv3.c:453:21: warning: this statement may fall through [-Wimplicit-fallthrough=]
   pll->denom_offset = PLL_IMX7_DENOM_OFFSET;
                     ^
drivers/clk/imx/clk-pllv3.c:454:2: note: here
  case IMX_PLLV3_AV:
  ^~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

Fixes: b4a4cb5a04 ("clk: imx: correct i.MX7D AV PLL num/denom offset")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-03 09:02:13 -07:00
Guido Günther
4d13c67adf clk: imx8mq: Add dsi_ipg_div 
It's defined in imx8mq-clock.h but wasn't assigned yet. It's used as
clk_tx_esc in the nwl dsi host controller (i.MX8MQ RM, Rev. 0, 01/2018
Sect. 13.5.3.7.4).

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-02 13:26:38 -07:00
Anson Huang
a048fe996b clk: imx: pllv4: add fractional-N pll support 
The pllv4 supports fractional-N function, the formula is:

PLL output freq = input * (mult + num/denom),

This patch adds fractional-N function support, including
clock round rate, calculate rate and set rate, with this
patch, the clock rate of APLL in clock tree is more accurate
than before:

Without fraction:
apll_pre_sel                      1        1        1    24000000          0     0  50000
   apll_pre_div                   1        1        2    24000000          0     0  50000
      apll                        1        1        2   528000000          0     0  50000
         apll_pfd3                0        0        0   792000000          0     0  50000
         apll_pfd2                0        0        0   339428571          0     0  50000
         apll_pfd1                0        0        0   352000000          0     0  50000
            usdhc0                0        0        0   352000000          0     0  50000
         apll_pfd0                1        1        1   352000000          0     0  50000

With fraction:
apll_pre_sel                      1        1        1    24000000          0     0  50000
   apll_pre_div                   1        1        2    24000000          0     0  50000
      apll                        1        1        2   529200000          0     0  50000
         apll_pfd3                0        0        0   793800000          0     0  50000
         apll_pfd2                0        0        0   340200000          0     0  50000
         apll_pfd1                0        0        0   352800000          0     0  50000
            usdhc0                0        0        0   352800000          0     0  50000
         apll_pfd0                1        1        1   352800000          0     0  50000

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
 2019-05-01 14:01:45 -07:00
Nishad Kamdar
d65530ca86 clk: sunxi-ng: Use the correct style for SPDX License Identifier 
This patch corrects the SPDX License Identifier style
in header files related to Clock Drivers for Allwinner SoCs.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-01 13:01:26 -07:00
Nishad Kamdar
7a12f838e4 clk: sprd: Use the correct style for SPDX License Identifier 
This patch corrects the SPDX License Identifier style
in header files related to Clock Drivers for Spreadtrum SoCs.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-01 13:01:23 -07:00
Nishad Kamdar
596c5ea465 clk: renesas: Use the correct style for SPDX License Identifier 
This patch corrects the SPDX License Identifier style
in header files related to Clock Drivers for Renesas Socs.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-01 13:01:18 -07:00
Nishad Kamdar
ddc9e569f1 clk: qcom: Use the correct style for SPDX License Identifier 
This patch corrects the SPDX License Identifier style
in clk-regmap-mux-div.h. For C header files
Documentation/process/license-rules.rst mandates C-like
comments (opposed to C source files where C++ style
should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-01 13:01:13 -07:00
Nishad Kamdar
41d591750e clk: davinci: Use the correct style for SPDX License Identifier 
This patch corrects the SPDX License Identifier style
in header files related to Clock Drivers for Davinci Socs.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-01 13:01:11 -07:00
Nishad Kamdar
ddd3e8b976 clk: actions: Use the correct style for SPDX License Identifier 
This patch corrects the SPDX License Identifier style
in header files related to Clock Drivers for Actions Semi Socs.
For C header files Documentation/process/license-rules.rst
mandates C-like comments (opposed to C source files where
C++ style should be used)

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-01 13:01:07 -07:00
Jacky Bai
8cd117e712 clk: imx: keep uart clock on during system boot 
Keep uart clocks enabled when earlyprintk or
earlycon is active.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-29 16:02:01 -07:00
Anson Huang
b4a4cb5a04 clk: imx: correct i.MX7D AV PLL num/denom offset 
According reference manual, i.MX7D's audio/video PLL's
num/denom register offset are 0x20/0x30, they are different
from i.MX6's audio/video PLL, correct it by introducing new
offset variables for audio/video PLL and using runtime
assignment based on PLL type.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-29 16:01:50 -07:00
Gabriel Fernandez
b06df56bad clk: stm32mp1: Add ddrperfm clock 
Add ddrperfm clock for DDR Performance Monitor driver

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-29 11:13:23 -07:00
Stephen Boyd
90b6c5c73c clk: Remove CLK_IS_BASIC clk flag 
This flag was historically used to indicate that a clk is a "basic" type
of clk like a mux, divider, gate, etc. This never turned out to be very
useful though because it was hard to cleanly split "basic" clks from
other clks in a system. This one flag was a way for type introspection
and it just didn't scale. If anything, it was used by the TI clk driver
to indicate that a clk_hw wasn't contained in the SoC specific clk
structure. We can get rid of this define now that TI is finding those
clks a different way.

Cc: Tero Kristo <t-kristo@ti.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: <linux-mips@vger.kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: <linux-pwm@vger.kernel.org>
Cc: <linux-amlogic@lists.infradead.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-26 10:40:49 -07:00
Sugaya Taichi
6a6ba5b55a clock: milbeaut: Add Milbeaut M10V clock controller 
The M10V of the Milbeaut SoCs has an on-chip controller that derive
mostly clocks from a single external clock, using PLLs, dividers,
multiplexers and gates. Since the PLLs have already been started and
will not stop / restart, they are fixed factor. The gates will be added
in later patch (all of the gates are off state now).

Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 16:43:37 -07:00
Leonard Crestez
6ff46d77ca clk: imx6sll: Fix mispelling uart4_serial as serail 
This looks like a copy-paste error. This string is not referenced
anywhere so it's safe to rename it.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 14:46:01 -07:00
Peng Fan
a3c9e13ff0 clk: imx: pll14xx: drop unused variable 
It does not make sense to only get value from pll->base and assign
to a local variable when recalc_rate.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 14:42:02 -07:00
Fabien Parent
db077febb7 clk: mediatek: add clock driver for MT8516 
Add the clock driver for the MT8516 SoC.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 14:36:58 -07:00
Stephen Boyd
7b4c162e03 clk: at91: Mark struct clk_range as const 
It's just some static data that doesn't get changed after being used.
Mark it const everywhere.

Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 14:16:26 -07:00
Alexandre Belloni
01e2113de9 clk: at91: add sam9x60 pmc driver 
Add a driver for the PMC clocks of the sam9c60.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
[sboyd@kernel.org: Staticize spinlock]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 14:15:53 -07:00
Dmitry Osipenko
e71f4d3858 clk: tegra: divider: Mark Memory Controller clock as read-only 
The Memory Controller (MC) clock rate can't be simply changed and nothing
in kernel need to change the rate, hence let's make the clock read-only.
This id also needed for the EMC driver because timing configuration may
require the MC clock diver to be disabled, that is handled by the EMC
clock / EMC driver integration and CLK framework shall not touch the
MC divider configuration on the EMC clock rate change.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 13:54:23 -07:00
Dmitry Osipenko
f4037654a8 clk: tegra: emc: Replace BUG() with WARN_ONCE() 
There is no justification for the BUG() in this code.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 13:54:22 -07:00
Dmitry Osipenko
913c3072eb clk: tegra: emc: Fix EMC max-rate clamping 
When a clk user requests rate that is higher than the maximum possible,
the rate shall be clamped to the maximum and not to the current value.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 13:54:20 -07:00
Dmitry Osipenko
888ca40e28 clk: tegra: emc: Support multiple RAM codes 
The timings parser doesn't append timings, but instead it parses only
the first timing and hence doesn't store all of the timings when
device-tree has timings for multiple RAM codes. In a result EMC scaling
doesn't work if timings are missing.

Tested-by: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 13:54:20 -07:00
Dmitry Osipenko
924ee3d551 clk: tegra: emc: Don't enable EMC clock manually 
The EMC clock marked as critical, hence it is already enabled at the
registration time.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 13:54:19 -07:00
Alexandre Belloni
a436c2a447 clk: at91: add sam9x60 PLL driver 
The PLLs on the sam9x60 (PLLA and USB PLL) use a different register set and
programming model than the previous SoCs.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 12:34:06 -07:00
Alexandre Belloni
e5be537064 clk: at91: master: Add sam9x60 support 
The sam9x60 cpu clock is located at a different offset but is otherwise
similar to the master clock.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 12:34:05 -07:00
Alexandre Belloni
2423eeaead clk: at91: usb: Add sam9x60 support 
The sam9x60 USB clock supports four different parents, ensure they can be
selected.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 12:34:04 -07:00
Alexandre Belloni
e4cfb823bd clk: at91: allow configuring generated PCR layout 
The PCR register layout for GCLKCSS is changing for the future SoCs, allow
configuring it.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 12:34:03 -07:00
Alexandre Belloni
cb4f4949b1 clk: at91: allow configuring peripheral PCR layout 
The PCR register actually changed layout for each SoC. By chance, this
didn't have impact on sama5d[2-4] support but since sama5d3, PID is seven
bits wide and sama5d4 and sama5d2 don't have DIV.

For the DT backward compatibility, keep the layout as is.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 12:34:03 -07:00
Gabriel Fernandez
936289f047 clk: stm32: Introduce clocks of STM32F769 board 
STM32F769 clocks are derived from STM32746 clocks.
main differences are:
- new source clock for SAI1 and SAI2 (HSI or HSE)
- Add DFSDM & DSI clocks

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 11:46:36 -07:00
Alexandre Belloni
5c16ffa795 clk: at91: sckc: handle different RC startup time 
The sama5d3 slow RC oscillator as a different startup time than all the
previous SoCs. Handle that using its own compatible.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 11:43:15 -07:00
Alexandre Belloni
45b5ec8498 clk: at91: modernize sckc binding 
Remove the need for child nodes in the sckc binding and register the whole
sckc tree (3 clocks in total) from the sckc node.

DT backward compatibility is kept by looking for properties in child nodes
when they are not present in the sckc node.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 11:42:10 -07:00
Yogesh Gaur
42614b5bd9 clk: qoriq: increase array size of cmux_to_group 
Increase size of cmux_to_group array, to accomdate entry of
-1 termination.

Added -1, terminated, entry for 4080_cmux_grpX.

Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 11:41:18 -07:00
Yuantian Tang
95089f6a9e clk: qoriq: Add ls1028a clock configuration 
Enable clock driver by adding clock configuration for ls1028a chip.

Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 11:23:10 -07:00
Yuantian Tang
cc61ab9ba2 clk: qoriq: add more PLL divider clocks support 
More PLL divider clocks are needed by clock consumer IP. So enlarge
the PLL divider array to accommodate more divider clocks.

Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 11:22:46 -07:00
Tero Kristo
869decd1ff clk: ti: dra7: disable the RNG and TIMER12 clkctrl clocks on HS devices 
RNG and TIMER12 are reserved for secure side usage only on HS devices,
so disable their clkctrl clocks on HS SoCs also.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-04-25 10:51:36 -07:00