1788 Commits

Author SHA1 Message Date
Oleksij Rempel
f5d9aa79df ARM: imx6q: remove clk-out fixup for the Atheros AR8031 and AR8035 PHYs
This configuration should be set over device tree.

If this patch breaks network functionality on your system, enable the
AT803X_PHY driver and set following device tree property in the PHY
node:

    qca,clk-out-frequency = <125000000>;

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-05-23 11:32:46 +08:00
Oleksij Rempel
4d3b70d980 ARM: imx6q: remove BMCR_PDOWN handler in ar8035_phy_fixup()
BMCR_PDOWN is removed by resume handler at803x_resume() in
drivers/net/phy/at803x.c

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-05-23 11:32:46 +08:00
Oleksij Rempel
5fff104f04 ARM: imx6q: remove part of ar8031_phy_fixup()
This part of this fixup is overwritten by at803x_config_init() in
drivers/net/phy/at803x.c. No additional devicetree fixes are needed.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-05-23 11:32:46 +08:00
Oleksij Rempel
66e69d8849 ARM: imx6q: remove PHY fixup for KSZ9031
Starting with:

    bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY")

the micrel phy driver started respecting phy-mode for the KSZ9031 PHY.
At least with kernel v5.8 configuration provided by this fixup was
overwritten by the micrel driver.

This fixup was providing following configuration:

RX path: 2.58ns delay
    rx -0.42 (left shift) + rx_clk  +0.96ns (right shift) =
        1,38 + 1,2 internal RX delay = 2.58ns
TX path: 0.96ns delay
    tx (no delay) + tx_clk 0.96ns (right shift) = 0.96ns

This configuration is outside of the recommended RGMII clock skew delays
and about in the middle of: rgmii-idrx and rgmii-id

Since most embedded systems do not have enough place to introduce
significant clock skew, rgmii-id is the way to go.

In case this patch breaks network functionality on your system, build
kernel with enabled MICREL_PHY. If it is still not working then try
following device tree options:
1. Set (or change) phy-mode in DT to:
   phy-mode = "rgmii-id";
   This actives internal delay for both RX and TX.
1. Set (or change) phy-mode in DT to:
   phy-mode = "rgmii-idrx";
   This actives internal delay for RX only.
3. Use following DT properties:
   phy-mode = "rgmii";
   txen-skew-psec = <0>;
   rxdv-skew-psec = <0>;
   rxd0-skew-psec = <0>;
   rxd1-skew-psec = <0>;
   rxd2-skew-psec = <0>;
   rxd3-skew-psec = <0>;
   rxc-skew-psec = <1860>;
   txc-skew-psec = <1860>;
   This activates the internal delays for RX and TX, with the value as
   the fixup that is removed in this patch.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-05-23 11:32:46 +08:00
Jonathan Neuschäfer
22b5059b95 ARM: imx: Initialize SoC ID on i.MX50
As on i.MX51 and i.MX53, initialize the SoC ID based on the SoC
compatible string of the board.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-05-13 15:42:21 +08:00
Jonathan Neuschäfer
89b759469d ARM: imx: pm-imx5: Fix references to imx5_cpu_suspend_info
The name of the struct, as defined in arch/arm/mach-imx/pm-imx5.c,
is imx5_cpu_suspend_info.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-05-13 15:40:08 +08:00
Linus Torvalds
01d7136894 ARM: SoC changes for v5.13
Almost all SoC code changes this time are for the TI OMAP
 platform, which continues its decade-long quest to move from
 describing a complex SoC in code to device tree.
 
 Aside from this, the Uniphier platform has a new maintainer
 and some platforms have minor bugfixes and cleanups that were
 not urgent enough for v5.12.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "Almost all SoC code changes this time are for the TI OMAP platform,
  which continues its decade-long quest to move from describing a
  complex SoC in code to device tree.

  Aside from this, the Uniphier platform has a new maintainer and some
  platforms have minor bugfixes and cleanups that were not urgent enough
  for v5.12"

* tag 'arm-soc-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (96 commits)
  MAINTAINERS: Update ARM/UniPhier SoCs maintainers and status
  mailmap: Update email address for Nicolas Saenz
  MAINTAINERS: Update BCM2711/BCM2335 maintainer's mail
  ARM: exynos: correct kernel doc in platsmp
  ARM: hisi: use the correct HiSilicon copyright
  ARM: ux500: make ux500_cpu_die static
  ARM: s3c: Use pwm_get() in favour of pwm_request() in RX1950
  ARM: OMAP1: fix incorrect kernel-doc comment syntax in file
  ARM: OMAP2+: fix incorrect kernel-doc comment syntax in file
  ARM: OMAP2+: Use DEFINE_SPINLOCK() for spinlock
  ARM: at91: pm: Move prototypes to mutually included header
  ARM: OMAP2+: use true and false for bool variable
  ARM: OMAP2+: add missing call to of_node_put()
  ARM: OMAP2+: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
  ARM: imx: Kconfig: Fix typo in help
  ARM: mach-imx: Fix a spelling in the file pm-imx5.c
  bus: ti-sysc: Warn about old dtb for dra7 and omap4/5
  ARM: OMAP2+: Stop building legacy code for dra7 and omap4/5
  ARM: OMAP2+: Drop legacy platform data for omap5 hwmod
  ARM: OMAP2+: Drop legacy platform data for omap5 l3
  ...
2021-04-26 11:48:26 -07:00
Nobuhiro Iwamatsu
f21a468832 ARM: imx: Kconfig: Fix typo in help
Fix typo from i.MX31 to i.MX35 in i.MX35's help.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-03-15 12:21:59 +08:00
Bhaskar Chowdhury
4ae20f26a1 ARM: mach-imx: Fix a spelling in the file pm-imx5.c
s/confgiured/configured/

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-03-15 12:21:59 +08:00
Saravana Kannan
e2c1b0ff38 ARM: imx: avic: Convert to using IRQCHIP_DECLARE
Using IRQCHIP_DECLARE lets fw_devlink know that it should not wait for
these interrupt controllers to be populated as struct devices. Without
this change, fw_devlink=on will make the consumers of these interrupt
controllers wait for the struct device to be added and thereby block the
consumers' probes forever. Converting to IRQCHIP_DECLARE addresses boot
issues on imx25 with fw_devlink=on that were reported by Martin.

This also removes a lot of boilerplate code.

Fixes: e590474768f1 ("driver core: Set fw_devlink=on by default")
Reported-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-03-15 12:21:18 +08:00
Linus Torvalds
28b9aaac4c This is all driver updates, the majority of which is a bunch of new Qualcomm
clk drivers that dominate the diffstat because we add support for six SoCs from
 that particular vendor. The other big change is the removal of various clk
 drivers that are no longer used now that the kernel is dropping support for
 those SoCs. Beyond that there's the usual non-critical fixes for existing
 drivers and a good number of patches from Lee Jones that cleanup a bunch of W=1
 enabled builds.
 
 Removed Drivers:
  - Remove efm32 clk driver
  - Remove tango4 clk driver
  - Remove zte zx clk driver
  - Remove sirf prima2/atlast clk drivers
  - Remove u300 clk driver
 
 New Drivers:
  - PLL support on MStar/SigmaStar ARMv7 SoCs
  - CPU clks for Qualcomm SDX55
  - GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
  - GCC clks for Qualcomm SM8350
  - GPU clks for Qualcomm SDM660/SDM630
 
 Updates:
  - Video clk fixups on Qualcomm SM8250
  - Improvements for multimedia clks on Qualcomm MSM8998
  - Fix many warnings with W=1 enabled builds under drivers/clk/
  - Support crystal load capacitance for Versaclock VC5
  - Add a "skip recall" DT binding for Silicon Labs' si570 to avoid glitches at boot
  - Convert Xilinx VCU clk driver to a proper clk provider driver
  - Expose Xilinx ZynqMP clk driver to more platforms
  - Amlogic pll driver fixup
  - Amlogic meson8b clock controller dt support clean up
  - Remove mipi clk from the Amlogic axg clock controller
  - New Rockchip rk3368 clock ids related to camera input
  - Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk reparenting
  - A series from Liu Ying that adds some SCU clocks support for i.MX8qxp
    DC0/MIPI-LVDS subsystems
  - A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ, and
    clkout1/2 support for i.MX8MM/MN
  - Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
  - Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
  - Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
    (HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
    (SYS-DMAC) clocks on Renesas R-Car V3U
  - Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
  - Allwinner H616 SoC clk support
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "This is all driver updates, the majority of which is a bunch of new
  Qualcomm clk drivers that dominate the diffstat because we add support
  for six SoCs from that particular vendor.

  The other big change is the removal of various clk drivers that are no
  longer used now that the kernel is dropping support for those SoCs.

  Beyond that there's the usual non-critical fixes for existing drivers
  and a good number of patches from Lee Jones that cleanup a bunch of
  W=1 enabled builds.

  Removed Drivers:
   - Remove efm32 clk driver
   - Remove tango4 clk driver
   - Remove zte zx clk driver
   - Remove sirf prima2/atlast clk drivers
   - Remove u300 clk driver

  New Drivers:
   - PLL support on MStar/SigmaStar ARMv7 SoCs
   - CPU clks for Qualcomm SDX55
   - GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
   - GCC clks for Qualcomm SM8350
   - GPU clks for Qualcomm SDM660/SDM630

  Updates:
   - Video clk fixups on Qualcomm SM8250
   - Improvements for multimedia clks on Qualcomm MSM8998
   - Fix many warnings with W=1 enabled builds under drivers/clk/
   - Support crystal load capacitance for Versaclock VC5
   - Add a "skip recall" DT binding for Silicon Labs' si570 to avoid
     glitches at boot
   - Convert Xilinx VCU clk driver to a proper clk provider driver
   - Expose Xilinx ZynqMP clk driver to more platforms
   - Amlogic pll driver fixup
   - Amlogic meson8b clock controller dt support clean up
   - Remove mipi clk from the Amlogic axg clock controller
   - New Rockchip rk3368 clock ids related to camera input
   - Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk
     reparenting
   - A series from Liu Ying that adds some SCU clocks support for
     i.MX8qxp DC0/MIPI-LVDS subsystems
   - A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ,
     and clkout1/2 support for i.MX8MM/MN
   - Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
   - Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
   - Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
     (HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
     (SYS-DMAC) clocks on Renesas R-Car V3U
   - Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
   - Allwinner H616 SoC clk support"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (171 commits)
  clk: mstar: msc313-mpll: Fix format specifier
  clk: mstar: Allow MStar clk drivers to be compile tested
  clk: qoriq: use macros to generate pll_mask
  clk: qcom: Add Global Clock controller (GCC) driver for SC7280
  dt-bindings: clock: Add SC7280 GCC clock binding
  clk: qcom: rpmh: Add support for RPMH clocks on SC7280
  dt-bindings: clock: Add RPMHCC bindings for SC7280
  clk: qcom: gcc-sm8350: add gdsc
  dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
  clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
  clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
  clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
  dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
  clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
  clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
  clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
  clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
  clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
  clk: qcom: gdsc: Implement NO_RET_PERIPH flag
  clk: mstar: MStar/SigmaStar MPLL driver
  ...
2021-02-22 09:45:23 -08:00
Linus Torvalds
5011bb9fbb ARM: SoC changes for v5.12
This is mostly 32-bit code for SoC platforms, and looks smaller
 than any such branch I remember from previous kernels, as most
 of this is now handled in other subsystems for modern platforms:
 
 - Minor bugfixes and Kconfig updates for Tegra, Broadcom, i.MX,
   Renesas, and Samsung
 
 - Updates to the MAINTAINERS listing for Actions, OMAP, and Samsung
 
 - Samsung SoC driver updates to make them loadable modules
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "This is mostly 32-bit code for SoC platforms, and looks smaller than
  any such branch I remember from previous kernels, as most of this is
  now handled in other subsystems for modern platforms:

   - Minor bugfixes and Kconfig updates for Tegra, Broadcom, i.MX,
     Renesas, and Samsung

   - Updates to the MAINTAINERS listing for Actions, OMAP, and Samsung

   - Samsung SoC driver updates to make them loadable modules"

* tag 'arm-soc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  MAINTAINERS: arm: samsung: include S3C headers in platform entry
  MAINTAINERS: Add linux-actions ML for Actions Semi Arch
  ARM: s3c: irq-s3c24xx: staticize local functions
  ARM: s3c: irq-s3c24xx: include headers for missing declarations
  ARM: s3c: fix fiq for clang IAS
  ARM: imx: Remove unused IMX_GPIO_NR() macro
  soc: renesas: rcar-sysc: Mark device node OF_POPULATED after init
  ARM: OMAP2+: fix spellint typo
  MAINTAINERS: Update address for OMAP GPMC driver
  soc: renesas: rcar-sysc: Use readl_poll_timeout_atomic()
  ARM: bcm: Select BRCMSTB_L2_IRQ for bcm2835
  ARM: brcmstb: Add debug UART entry for 72116
  ARM: tegra: Don't enable unused PLLs on resume from suspend
  soc: samsung: pm_domains: Convert to regular platform driver
  soc: samsung: exynos-chipid: correct helpers __init annotation
  ARM: mach-imx: imx6ul: Print SOC revision on boot
  ARM: imx: mach-imx6ul: remove 14x14 EVK specific PHY fixup
  soc: samsung: exynos-chipid: convert to driver and merge exynos-asv
  soc: samsung: exynos-asv: handle reading revision register error
  soc: samsung: exynos-asv: don't defer early on not-supported SoCs
2021-02-20 18:20:06 -08:00
Lee Jones
de5774d192 clk: imx: Move 'imx6sl_set_wait_clk()'s prototype out to accessible header
Fixes the following W=1 kernel build warning(s):

 drivers/clk/imx/clk-imx6sl.c:156:6: warning: no previous prototype for ‘imx6sl_set_wait_clk’ [-Wmissing-prototypes]

Cc: Russell King <linux@armlinux.org.uk>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-30 22:13:23 +08:00
Fabio Estevam
579c6f925e ARM: imx: Remove unused IMX_GPIO_NR() macro
The IMX_GPIO_NR() macro was only used by non-DT i.MX platforms.

As i.MX transitioned to a DT-only platform, get rid of this
unused macro.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-29 16:47:25 +08:00
Max Krummenacher
a88afa46b8 ARM: imx: build suspend-imx6.S with arm instruction set
When the kernel is configured to use the Thumb-2 instruction set
"suspend-to-memory" fails to resume. Observed on a Colibri iMX6ULL
(i.MX 6ULL) and Apalis iMX6 (i.MX 6Q).

It looks like the CPU resumes unconditionally in ARM instruction mode
and then chokes on the presented Thumb-2 code it should execute.

Fix this by using the arm instruction set for all code in
suspend-imx6.S.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Fixes: df595746fa69 ("ARM: imx: add suspend in ocram support for i.mx6q")
Acked-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-18 14:47:34 +08:00
Stefan Riedmueller
fbaff050bb ARM: mach-imx: imx6ul: Print SOC revision on boot
Add the print of the CPU type and SOC revision during boot.

Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Robert Karszniewicz <r.karszniewicz@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-07 11:25:18 +08:00
Oleksij Rempel
c7e73b5051 ARM: imx: mach-imx6ul: remove 14x14 EVK specific PHY fixup
Remove board specific PHY fixup introduced by commit:

| 709bc0657fe6f9f5 ("ARM: imx6ul: add fec MAC refrence clock and phy fixup init")

This fixup addresses boards with a specific configuration: a KSZ8081RNA
PHY with attached clock source to XI (Pin 8) of the PHY equal to 50MHz.

For the KSZ8081RND PHY, the meaning of the reg 0x1F bit 7 is different
(compared to the KSZ8081RNA). A set bit means:

- KSZ8081RNA: clock input to XI (Pin 8) is 50MHz for RMII
- KSZ8081RND: clock input to XI (Pin 8) is 25MHz for RMII

In other configurations, for example a KSZ8081RND PHY or a KSZ8081RNA
with 25Mhz clock source, the PHY will glitch and stay in not recoverable
state.

It is not possible to detect the clock source frequency of the PHY. And
it is not possible to automatically detect KSZ8081 PHY variant - both
have same PHY ID. It is not possible to overwrite the fixup
configuration by providing proper device tree description. The only way
is to remove this fixup.

If this patch breaks network functionality on your board, fix it by
adding PHY node with following properties:

	ethernet-phy@x {
		...
		micrel,led-mode = <1>;
		clocks = <&clks IMX6UL_CLK_ENET_REF>;
		clock-names = "rmii-ref";
		...
	};

The board which was referred in the initial patch is already fixed.
See: arch/arm/boot/dts/imx6ul-14x14-evk.dtsi

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-07 11:18:41 +08:00
Linus Torvalds
b06db0b393 ARM: SoC updates for 5.11
These are update for SoC specific code, mostly in the
 32-bit architecture:
 
  - A rework for handling MMIO accesses in Renesas SoCs
    in a more portable way
 
  - Updates to SoC version detection in NXP i.MX SoCs.
 
  - Smaller bug fixes for OMAP, Samsung, Marvell, Amlogic,
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "These are updates for SoC specific code, mostly in the 32-bit
  architecture:

   - A rework for handling MMIO accesses in Renesas SoCs in a more
     portable way

   - Updates to SoC version detection in NXP i.MX SoCs.

   - Smaller bug fixes for OMAP, Samsung, Marvell, Amlogic"

* tag 'arm-soc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  arm64: Kconfig: meson: drop pinctrl
  ARM: mxs: Add serial number support for i.MX23, i.MX28 SoCs
  MAINTAINERS: switch mvebu tree to kernel.org
  MAINTAINERS: Add an entry for MikroTik CRS3xx 98DX3236 boards
  ARM: shmobile: Stop using __raw_*() I/O accessors
  ARM: shmobile: sh73a0: Remove obsolete static mapping
  ARM: shmobile: sh73a0: Use ioremap() to map SMP registers
  ARM: shmobile: sh73a0: Use ioremap() to map L2C registers
  ARM: shmobile: r8a7779: Remove obsolete static mappings
  ARM: shmobile: r8a7779: Use ioremap() to map SMP registers
  ARM: shmobile: r8a7779: Use ioremap() to map INTC2 registers
  ARM: shmobile: r8a7778: Introduce HPBREG_BASE
  ARM: OMAP1: clock: Use IS_ERR_OR_NULL() to clean code
  ARM: OMAP2+: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare
  ARM: OMAP2+: Remove redundant assignment to variable ret
  ARM: OMAP2+: Fix kfree NULL pointer in omap2xxx_clkt_vps_init
  ARM: OMAP2+: Fix memleak in omap2xxx_clkt_vps_init
  ARM: exynos: extend cpuidle support to P4 Note boards
  ARM: imx: mach-imx6q: correctly identify i.MX6QP SoCs
  ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version
  ...
2020-12-16 16:22:36 -08:00
Robert Karszniewicz
70e734fed7 ARM: imx: Use correct SRC base address
Commit 4a4fb66119eb ("ARM: imx: Add missing of_node_put()") accidentally
forgot to rename a variable, which caused the wrong address to be used
and, in our case, the ULL getting falsely identified as ULZ.

Fixes: 4a4fb66119eb ("ARM: imx: Add missing of_node_put()")
Signed-off-by: Robert Karszniewicz <r.karszniewicz@phytec.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-12-01 08:09:01 +08:00
Sven Van Asbroeck
53cc6bc69e ARM: imx: mach-imx6q: correctly identify i.MX6QP SoCs
The i.MX6QP rev 1.1 SoC on my board is mis-identified by Linux:
the log (incorrectly) shows "i.MX6Q rev 2.1".

Correct this by assuming that every SoC that identifies as
i.MX6Q with rev >= 2.0 is really an i.MX6QP.

Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-11-10 10:21:32 +08:00
Fabio Estevam
7544bfc086 ARM: imx: imx7ulp: Add a comment explaining the B2 silicon version
To help the users to understand the meaning of bits 31-28 of the
JTAG_ID_REG register, add a comment explaining the value that is
expected from a i.MX7ULP rev B2.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-11-10 09:56:01 +08:00
Anson Huang
2f4ac2d79e ARM: imx: Add revision support for i.MX7ULP revision 2.2
On i.MX7ULP revision 2.2, the value is 3, so add support for this
revision, otherwise, it will use default revision of 1.0 which is
incorrect.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-10-30 08:15:27 +08:00
Linus Torvalds
e731f3146f ARM: SoC platform updates
SoC changes, a substantial part of this is cleanup of some of the older
 platforms that used to have a bunch of board files. In particular:
 
  - Removal of non-DT i.MX platforms that haven't seen activity in years,
    it's time to remove them.
  - A bunch of cleanup and removal of platform data for TI/OMAP platforms,
    moving over to genpd for power/reset control (yay!)
  - Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
    closer to multiplatform support (not quite there yet, but getting
    close).
 
 THere are a few other changes too, smaller fixlets, etc. For new
 platform support, the primary ones re:
 
  - New SoC: Hisilicon SD5203, ARM926EJ-S platform.
  - Cpufreq support for i.MX7ULP
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC platform updates from Olof Johansson:
 "SoC changes, a substantial part of this is cleanup of some of the
  older platforms that used to have a bunch of board files.

  In particular:

   - Remove non-DT i.MX platforms that haven't seen activity in years,
     it's time to remove them.

   - A bunch of cleanup and removal of platform data for TI/OMAP
     platforms, moving over to genpd for power/reset control (yay!)

   - Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
     closer to multiplatform support (not quite there yet, but getting
     close).

  There are a few other changes too, smaller fixlets, etc. For new
  platform support, the primary ones are:

   - New SoC: Hisilicon SD5203, ARM926EJ-S platform.

   - Cpufreq support for i.MX7ULP"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (121 commits)
  ARM: mstar: Select MStar intc
  ARM: stm32: Replace HTTP links with HTTPS ones
  ARM: debug: add UART early console support for SD5203
  ARM: hisi: add support for SD5203 SoC
  ARM: omap3: enable off mode automatically
  clk: imx: imx35: Remove mx35_clocks_init()
  clk: imx: imx31: Remove mx31_clocks_init()
  clk: imx: imx27: Remove mx27_clocks_init()
  ARM: imx: Remove unused definitions
  ARM: imx35: Retrieve the IIM base address from devicetree
  ARM: imx3: Retrieve the AVIC base address from devicetree
  ARM: imx3: Retrieve the CCM base address from devicetree
  ARM: imx31: Retrieve the IIM base address from devicetree
  ARM: imx27: Retrieve the CCM base address from devicetree
  ARM: imx27: Retrieve the SYSCTRL base address from devicetree
  ARM: s3c64xx: bring back notes from removed debug-macro.S
  ARM: s3c24xx: fix Wunused-variable warning on !MMU
  ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
  MAINTAINERS: mark linux-samsung-soc list non-moderated
  ARM: imx: Remove remnant board file support pieces
  ...
2020-10-24 10:33:08 -07:00
Linus Torvalds
5a32c3413d dma-mapping updates for 5.10
- rework the non-coherent DMA allocator
  - move private definitions out of <linux/dma-mapping.h>
  - lower CMA_ALIGNMENT (Paul Cercueil)
  - remove the omap1 dma address translation in favor of the common
    code
  - make dma-direct aware of multiple dma offset ranges (Jim Quinlan)
  - support per-node DMA CMA areas (Barry Song)
  - increase the default seg boundary limit (Nicolin Chen)
  - misc fixes (Robin Murphy, Thomas Tai, Xu Wang)
  - various cleanups
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Merge tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - rework the non-coherent DMA allocator

 - move private definitions out of <linux/dma-mapping.h>

 - lower CMA_ALIGNMENT (Paul Cercueil)

 - remove the omap1 dma address translation in favor of the common code

 - make dma-direct aware of multiple dma offset ranges (Jim Quinlan)

 - support per-node DMA CMA areas (Barry Song)

 - increase the default seg boundary limit (Nicolin Chen)

 - misc fixes (Robin Murphy, Thomas Tai, Xu Wang)

 - various cleanups

* tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping: (63 commits)
  ARM/ixp4xx: add a missing include of dma-map-ops.h
  dma-direct: simplify the DMA_ATTR_NO_KERNEL_MAPPING handling
  dma-direct: factor out a dma_direct_alloc_from_pool helper
  dma-direct check for highmem pages in dma_direct_alloc_pages
  dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h>
  dma-mapping: move large parts of <linux/dma-direct.h> to kernel/dma
  dma-mapping: move dma-debug.h to kernel/dma/
  dma-mapping: remove <asm/dma-contiguous.h>
  dma-mapping: merge <linux/dma-contiguous.h> into <linux/dma-map-ops.h>
  dma-contiguous: remove dma_contiguous_set_default
  dma-contiguous: remove dev_set_cma_area
  dma-contiguous: remove dma_declare_contiguous
  dma-mapping: split <linux/dma-mapping.h>
  cma: decrease CMA_ALIGNMENT lower limit to 2
  firewire-ohci: use dma_alloc_pages
  dma-iommu: implement ->alloc_noncoherent
  dma-mapping: add new {alloc,free}_noncoherent dma_map_ops methods
  dma-mapping: add a new dma_alloc_pages API
  dma-mapping: remove dma_cache_sync
  53c700: convert to dma_alloc_noncoherent
  ...
2020-10-15 14:43:29 -07:00
Christoph Hellwig
0a0f0d8be7 dma-mapping: split <linux/dma-mapping.h>
Split out all the bits that are purely for dma_map_ops implementations
and related code into a new <linux/dma-map-ops.h> header so that they
don't get pulled into all the drivers.  That also means the architecture
specific <asm/dma-mapping.h> is not pulled in by <linux/dma-mapping.h>
any more, which leads to a missing includes that were pulled in by the
x86 or arm versions in a few not overly portable drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2020-10-06 07:07:03 +02:00
Ulf Hansson
1a67b9263e ARM: imx6q: Fixup RCU usage for cpuidle
The commit eb1f00237aca ("lockdep,trace: Expose tracepoints"), started to
expose us for tracepoints. For imx6q cpuidle, this leads to an RCU splat
according to below.

[6.870684] [<c0db7690>] (_raw_spin_lock) from [<c011f6a4>] (imx6q_enter_wait+0x18/0x9c)
[6.878846] [<c011f6a4>] (imx6q_enter_wait) from [<c09abfb0>] (cpuidle_enter_state+0x168/0x5e4)

To fix the problem, let's assign the corresponding idlestate->flags the
CPUIDLE_FLAG_RCU_IDLE bit, which enables us to call rcu_idle_enter|exit()
at the proper point.

Reported-by: Dong Aisheng <aisheng.dong@nxp.com>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-09-30 17:42:43 +02:00
Fabio Estevam
b70c9cacbf ARM: imx: Remove unused definitions
Most of the definitions for peripheral base addresses, interrupt and
DMA information is no longer used, so get rid of them.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-22 14:08:13 +08:00
Fabio Estevam
f68ea682d1 ARM: imx35: Retrieve the IIM base address from devicetree
Now that imx35 has been converted to a devicetree-only platform,
retrieve the IIM base address from devicetree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-22 14:08:11 +08:00
Fabio Estevam
445cf02cad ARM: imx3: Retrieve the AVIC base address from devicetree
Now that imx31 and imx35 has been converted to a devicetree-only platform,
retrieve the AVIC base address from devicetree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-22 14:08:08 +08:00
Fabio Estevam
2cf98d1295 ARM: imx3: Retrieve the CCM base address from devicetree
Now that imx31 and imx35 has been converted to a devicetree-only platform,
retrieve the CCM base address from devicetree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-22 14:08:06 +08:00
Fabio Estevam
3172225d45 ARM: imx31: Retrieve the IIM base address from devicetree
Now that imx31 has been converted to a devicetree-only platform,
retrieve the IIM base address from devicetree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-22 14:08:03 +08:00
Fabio Estevam
d54debc72f ARM: imx27: Retrieve the CCM base address from devicetree
Now that imx27 has been converted to a devicetree-only platform,
retrieve the CCM base address from devicetree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-22 14:08:00 +08:00
Fabio Estevam
94b2bec1b0 ARM: imx27: Retrieve the SYSCTRL base address from devicetree
Now that imx27 has been converted to a devicetree-only platform,
retrieve the SYSCTRL base address from devicetree.

To keep devicetree compatibilty the SYSCTRL base address will be
retrieved from the CCM base address plus an 0x800 offset.

This is not a problem as the imx27.dtsi describes the CCM register
range as 0x1000.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-22 14:07:46 +08:00
Fabio Estevam
f92c710f46 ARM: imx: Remove remnant board file support pieces
Since i.MX board files are gone, remove some remnant pieces of
board file support.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:16:03 +08:00
Fabio Estevam
8485adf17a ARM: imx: Remove imx device directory
arch/arm/mach-imx/devices/ contains utilities for registering devices
in board file. Now that board files are gone, get rid of the devices
directory.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:16:00 +08:00
Fabio Estevam
e8d992fb52 ARM: imx: Remove iomux-v3 board code
IMX_HAVE_IOMUX_V3 was only used by i.MX25/35 board files. Since the
board files users are gone, it is safe to remove iomux-v3 related
code.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:15:58 +08:00
Fabio Estevam
6c5f05a6cd ARM: imx3: Remove imx3 soc_init()
imx31_soc_init() and imx35_soc_init() were only used by i.MX31/35 board
files. Since the board files users are gone, it is safe to remove
imx3 soc_init() functions.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:15:54 +08:00
Fabio Estevam
a542fc1816 ARM: imx31: Remove remaining i.MX31 board code
i.MX31 is a devicetree only platform.

Remove remaining i.MX31 board code.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:15:50 +08:00
Fabio Estevam
fc673fbf8c ARM: imx27: Retrieve AVIC base address from devicetree
Now that imx27 has been converted to a devicetree-only platform,
retrieve the AVIC base address from devicetree.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:15:48 +08:00
Fabio Estevam
86fa07075c ARM: imx27: Get rid of mm-imx27.c
Get rid of mm-imx27.c and move its code to the mach-imx27.c file.

This aligns with other i.MX SoC code.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:15:45 +08:00
Fabio Estevam
eeae56887b ARM: imx27: Remove iomux-v1 board code
IMX_HAVE_IOMUX_V1 was only used by i.MX27 board files. Since the
board files users are gone, it is safe to remove iomux-v1 related
code.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:15:43 +08:00
Fabio Estevam
24e0729703 ARM: imx27: Remove imx27_soc_init()
imx27_soc_init() was only used by i.MX27 board files. Since the
board files users are gone, it is safe to remove imx27_soc_init() too.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:15:26 +08:00
Peng Fan
cf4ff9618d ARM: imx7ulp: enable cpufreq
Enable cpufreq for i.MX7ULP when imx cpufreq dt driver enabled.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-13 11:06:04 +08:00
Fabio Estevam
b154d8d8ba ARM: imx: Remove ehci board files
Now that the i.MX board files have been removed, there
is no need for keeping the ehci related files, so just
remove them.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-05 15:34:31 +08:00
Fabio Estevam
e1324ece2a ARM: imx: Remove i.MX35 board files
i.MX35 has basic device tree support.

To achieve the goal of converting all i.MX SoCs to a
devicetree-only platform, remove imx35 board files.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-05 15:34:29 +08:00
Fabio Estevam
c93197b004 ARM: imx: Remove i.MX31 board files
i.MX31 has basic device tree support.

To achieve the goal of converting all i.MX SoCs to a
devicetree-only platform, remove imx31 board files.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-05 15:34:26 +08:00
Fabio Estevam
879c0e5e0a ARM: imx: Remove i.MX27 board files
i.MX27 has basic device tree support.

To achieve the goal of converting all i.MX SoCs to a
devicetree-only platform, remove imx27 board files.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-05 15:34:23 +08:00
Fabio Estevam
4b563a0666 ARM: imx: Remove imx21 support
mx21 has not been converted to device tree yet and there is only
one single board that is supported (imx21ads).

To achieve the goal of converting all i.MX SoCs to
devicetree-only platforms, remove imx21 support.

If someone is interested in supporting imx21, patches to add
imx21 devicetree support will be welcome.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-05 15:34:11 +08:00
Fabio Estevam
0c11bbcf02 ARM: imx: Place "Cortex-A/Cortex-M" comment in the correct location
The menu comment "Cortex-A/Cortex-M asymmetric multiprocessing platforms"
appears when running:

make imx_v4_v5_defconfig
make menuconfig

System Type --->
[*] Freescale i.MX family  --->

This is not correct as imx_v4_v5_defconfig does not select any Cortex-A
or Cortex-M platforms.

Move the comment under the correct symbol ifdefery to fix this problem.

Fixes: 8064887e02fd ("ARM: vf610: enable Cortex-M4 configuration on Vybrid SoC")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-09-05 09:34:31 +08:00
Linus Torvalds
fa73e21231 media updates for v5.9-rc1
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Merge tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - Legacy soc_camera driver was removed from staging

 - New I2C sensor related drivers: dw9768, ch7322, max9271, rdacm20

 - TI vpe driver code was re-organized and had new features added

 - Added Xilinx MIPI CSI-2 Rx Subsystem driver

 - Added support for Infrared Toy and IR Droid devices

 - Lots of random driver fixes, new features and cleanups

* tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (318 commits)
  media: camss: fix memory leaks on error handling paths in probe
  media: davinci: vpif_capture: fix potential double free
  media: radio: remove redundant assignment to variable retval
  media: allegro: fix potential null dereference on header
  media: mtk-mdp: Fix a refcounting bug on error in init
  media: allegro: fix an error pointer vs NULL check
  media: meye: fix missing pm_mchip_mode field
  media: cafe-driver: use generic power management
  media: saa7164: use generic power management
  media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP
  media: v4l2: Correct kernel-doc inconsistency
  media: v4l2: Correct kernel-doc inconsistency
  media: dvbdev.h: keep * together with the type
  media: v4l2-subdev.h: keep * together with the type
  media: videobuf2: Print videobuf2 buffer state by name
  media: colorspaces-details.rst: fix V4L2_COLORSPACE_JPEG description
  media: tw68: use generic power management
  media: meye: use generic power management
  media: cx88: use generic power management
  media: cx25821: use generic power management
  ...
2020-08-07 13:00:53 -07:00