The eMMC and SDHI pin control configuration nodes in DT have subnodes
with the same names ("data" and "ctrl"). As the RZ/V2M pin control
driver considers only the names of the subnodes, this leads to
conflicts:
pinctrl-rzv2m b6250000.pinctrl: pin P8_2 already requested by 85000000.mmc; cannot claim for 85020000.mmc
pinctrl-rzv2m b6250000.pinctrl: pin-130 (85020000.mmc) status -22
renesas_sdhi_internal_dmac 85020000.mmc: Error applying setting, reverse things back
Fix this by constructing unique names from the node names of both the
pin control configuration node and its child node, where appropriate.
Reported by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Fixes: 92a9b82525 ("pinctrl: renesas: Add RZ/V2M pin and gpio controller driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Link: https://lore.kernel.org/r/607bd6ab4905b0b1b119a06ef953fa1184505777.1688396717.git.geert+renesas@glider.be
Perform 's@ \t@\t\t@g' so we wouldn't have spaces followed by tabs.
No functional change.
Picked from U-Boot commit 0cf207ec01c ("WS cleanup: remove SPACE(s) followed by TAB")
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230507130120.7587-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Core changes:
- Make a lot of pin controllers with GPIO and irqchips immutable,
i.e. not living structs, but const structs. This is driving a
changed initiated by the irqchip maintainers.
New drivers:
- New driver for the NXP S32 SoC pin controller
- As part of a thorough cleanup and restructuring of the
Ralink/Mediatek drivers, the Ralink MIPS pin control drivers
were folded into the Mediatek directory and the family is
renamed "mtmips". The Ralink chips live on as Mediatek MIPS
family where new variants can be added. As part of this work
also the device tree bindings were reworked.
- New subdriver for the Qualcomm SM7150 SoC.
- New subdriver for the Qualcomm IPQ9574 SoC.
- New driver for the nVidia BlueField-3 SoC.
- Support for the Qualcomm PMM8654AU mixed signal circuit GPIO.
- Support for the Qualcomm PMI632 mixed signal circuit GPIO.
Improvements:
- Add some missing pins and generic cleanups on the Renesas
r8a779g0 and r8a779g0 pin controllers. Generic Renesas
extension for power source selection on several SoCs.
- Misc cleanups for the Atmel AT91 and AT91-PIO4 pin
controllers
- Make the GPIO mode work on the Qualcomm SM8550-lpass-lpi
driver.
- Several device tree binding cleanups as the binding
YAML syntax is solidifying.
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Merge tag 'pinctrl-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Mostly drivers! Nothing special: some new Qualcomm chips as usual, and
the new NXP S32 and nVidia BlueField-3.
Core changes:
- Make a lot of pin controllers with GPIO and irqchips immutable,
i.e. not living structs, but const structs. This is driving a
changed initiated by the irqchip maintainers.
New drivers:
- New driver for the NXP S32 SoC pin controller
- As part of a thorough cleanup and restructuring of the
Ralink/Mediatek drivers, the Ralink MIPS pin control drivers were
folded into the Mediatek directory and the family is renamed
"mtmips". The Ralink chips live on as Mediatek MIPS family where
new variants can be added. As part of this work also the device
tree bindings were reworked.
- New subdriver for the Qualcomm SM7150 SoC.
- New subdriver for the Qualcomm IPQ9574 SoC.
- New driver for the nVidia BlueField-3 SoC.
- Support for the Qualcomm PMM8654AU mixed signal circuit GPIO.
- Support for the Qualcomm PMI632 mixed signal circuit GPIO.
Improvements:
- Add some missing pins and generic cleanups on the Renesas r8a779g0
and r8a779g0 pin controllers. Generic Renesas extension for power
source selection on several SoCs.
- Misc cleanups for the Atmel AT91 and AT91-PIO4 pin controllers
- Make the GPIO mode work on the Qualcomm SM8550-lpass-lpi driver.
- Several device tree binding cleanups as the binding YAML syntax is
solidifying"
* tag 'pinctrl-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (153 commits)
pinctrl-bcm2835.c: fix race condition when setting gpio dir
dt-bindings: pinctrl: qcom,sm8150: Drop duplicate function value "atest_usb2"
dt-bindings: pinctrl: qcom: Add few missing functions
pinctrl: qcom: spmi-gpio: Add PMI632 support
dt-bindings: pinctrl: qcom,pmic-gpio: add PMI632
pinctrl: wpcm450: select MFD_SYSCON
pinctrl: qcom ssbi-gpio: Convert to immutable irq_chip
pinctrl: qcom ssbi-mpp: Convert to immutable irq_chip
pinctrl: qcom spmi-mpp: Convert to immutable irq_chip
pinctrl: plgpio: Convert to immutable irq_chip
pinctrl: pistachio: Convert to immutable irq_chip
pinctrl: pic32: Convert to immutable irq_chip
pinctrl: sx150x: Convert to immutable irq_chip
pinctrl: stmfx: Convert to immutable irq_chip
pinctrl: st: Convert to immutable irq_chip
pinctrl: mcp23s08: Convert to immutable irq_chip
pinctrl: equilibrium: Convert to immutable irq_chip
pinctrl: npcm7xx: Convert to immutable irq_chip
pinctrl: armada-37xx: Convert to immutable irq_chip
pinctrl: nsp: Convert to immutable irq_chip
...
Since commit 8b41fc4454 ("kbuild: create modules.builtin without
Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations
are used to identify modules. As a consequence, uses of the macro
in non-modules will cause modprobe to misidentify their containing
object file as a module when it is not (false positives), and modprobe
might succeed rather than failing with a suitable error message.
So remove it in the files in this commit, none of which can be built as
modules.
Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Suggested-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: linux-modules@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Hitomi Hasegawa <hasegawa-hitomi@fujitsu.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
As the of_node member of struct device always exists, and there is a
dummy of of_device_get_match_data() for the !CONFIG_OF case, there is no
longer a need to protect code using these interfaces with an #ifdef.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/55d72ce46b43ec2f41681cb5ba7ca7fcebdb98d1.1679416005.git.geert+renesas@glider.be
Currently, the Renesas pin control driver supports pins that can switch
their I/O voltage levels between either 1.8V and 3.3V, or between 2.5V
and 3.3V. However, some SoCs have pins that can switch between 1.8V and
2.5V.
Add support for this by replacing the separate SH_PFC_PIN_CFG_IO_VOLTAGE
capability and voltage level flags by a 2-bit field, to cover three
possible I/O voltage switching options.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/0c04925457bf3f7e78e7e3851528d9a4c29246da.1678271030.git.geert+renesas@glider.be
Commit 537db25ca3 ("pinctrl: renesas: Add I/O voltage level
flag") introduced new flags to support pins that can switch their
voltage levels between either 1.8V and 3.3V, or between 2.5V and 3.3V.
The old SH_PFC_PIN_CFG_IO_VOLTAGE flag was retained to avoid having to
change existing drivers.
Replace SH_PFC_PIN_CFG_IO_VOLTAGE by SH_PFC_PIN_CFG_IO_VOLTAGE_18_33, to
make the voltage configuration explicit, and to prepare for the advent
of support for more voltage levels.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/ae5f879c093f3e3cd50ba1495975bccfad81237b.1678271030.git.geert+renesas@glider.be
The POC Control Register 0 (POCCTRL0) on R-Car D3 is not registered in
the pinmux_ioctrl_regs[] array. Hence it is not saved/restored during
suspend/resume, and its contents may be lost after s2ram.
This went unnoticed when improving suspend/resume support in commit
d92ee9cf8e ("pinctrl: sh-pfc: rcar-gen3: Retain TDSELCTRL register
across suspend/resume").
Fix this by moving the pinmux_ioctrl_regs[] array up, and adding the
POCCTRL0 register.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/d17402b83b1f3fa0f572527c0382027bccb86205.1678271030.git.geert+renesas@glider.be
R-Car H3 ES1.* was only available to an internal development group and
needed a lot of quirks and workarounds. These become a maintenance
burden now, so our development group decided to remove upstream support
and disable booting for this SoC. Public users only have ES2 onwards.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230307105645.5285-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
According to R-Car V4H Series User’s Manual: Hardware Rev. 0.54, the
ERROROUTC signal is active-low. Hence add the missing "_N" suffix to
the pin function's names.
Resize column 2 of all IPxSR* definitions to accomodate the longer
names.
Fixes: b811062e5f ("pinctrl: renesas: r8a779g0: Add missing ERROROUTC_A")
Fixes: ad9bb2fec6 ("pinctrl: renesas: Initial R8A779G0 (R-Car V4H) PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1774303989e7d61f08fa81f1c2fa1b394505645f.1669036423.git.geert+renesas@glider.be
AVB[01]_{MAGIC,MDC,MDIO,TXCREFCLK} are registered as both
PINMUX_SINGLE(fn) and PINMUX_IPSR_GPSR(fn) in the pinmux_data array.
The latter are correct, hence remove the former.
Without this fix, the Ethernet PHY is not operational on the MDIO bus.
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: LUU HOAI <hoai.luu.ub@renesas.com>
Fixes: 741a7370fc ("pinctrl: renesas: Initial R8A779A0 (V3U) PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/6fd217b71e83ba9a8157513ed671a1fa218b23b6.1674824958.git.geert+renesas@glider.be
Add pins, groups, and functions for channels 4 and 5 of the Video Input
Module (VIN) on the Renesas R-Car H3 ES1.x (R8A77950) SoC, based on
the version for the R-Car H3 ES2.0+ (R8A77951) SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/92c9b3b535d27ea7fcc0aa73d298783d710c214a.1673425207.git.geert+renesas@glider.be
Add BUILD_BUG_ON() checks to avoid overflows for GPIO configs for each
supported SoC.
While at it, for readability set n_port_pins based on the GPIO pin configs
and not on GPIO names for r9a07g044_data as done for r9a07g043_data.
Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230102221815.273719-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
On the RZ/G2UL SoC we have less number of pins compared to RZ/G2L and also
the pin configs are completely different. This patch makes sure we use the
appropriate pin configs for each SoC (which is passed as part of the OF
data) while configuring the GPIO pin as interrupts instead of using
rzg2l_gpio_configs[] for all the SoCs.
Fixes: bfc69bdbaa ("pinctrl: renesas: rzg2l: Add RZ/G2UL support")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230102221815.273719-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
- Use dynamic GPIO base on combined pincctrl/gpio controllers on
SH/R-Mobile SoCs,
- Miscellaneous improvements.
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Merge tag 'renesas-pinctrl-for-v6.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v6.2
- Use dynamic GPIO base on combined pincctrl/gpio controllers on
SH/R-Mobile SoCs,
- Miscellaneous improvements.
Since commit 502df79b86 ("gpiolib: Warn on drivers still using
static gpiobase allocation") in gpio/for-next, one or more warnings are
printed during boot on systems where the pin controller also provides
GPIO functionality:
gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation.
Fix this for ARM-based SH/R-Mobile SoCs by:
1. Taking into account a non-zero GPIO base in the various GPIO chip
callbacks,
2. Switching to dynamic allocation of the GPIO base when support for
legacy function GPIOs is not enabled.
On SuperH SoCs using legacy function GPIOs, the GPIO bases of the GPIO
controller and the GPIO function controller must not be changed, as all
board files rely on the fixed GPIO_* and GPIO_FN_* definitions provided
by the various <cpu/sh*.h> header files.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/df2cf30ac4c3cbee726799f32b727c1ebe62819c.1668000684.git.geert+renesas@glider.be
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Core changes:
- Add PINCTRL_PINGROUP() helper macro (and use it in the AMD driver).
New drivers:
- Intel Meteor Lake support.
- Reneasas RZ/V2M and r8a779g0 (R-Car V4H).
- AXP209 variants AXP221, AXP223 and AXP809.
- Qualcomm MSM8909, PM8226, PMP8074 and SM6375.
- Allwinner D1.
Improvements:
- Proper pin multiplexing in the AMD driver.
- Mediatek MT8192 can use generic drive strength and pin
bias, then fixes on top plus some I2C pin group fixes.
- Have the Allwinner Sunplus SP7021 use the generic DT schema and
make interrupts optional.
- Handle Qualcomm SC7280 ADSP.
- Handle Qualcomm MSM8916 CAMSS GP clock muxing.
- High impedance bias on ZynqMP.
- Serialize StarFive access to MMIO.
- Immutable gpiochip for BCM2835, Ingenic, Qualcomm SPMI GPIO.
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Merge tag 'pinctrl-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Outside the pinctrl driver and DT bindings we hit some Arm DT files,
patched by the maintainers.
Other than that it is business as usual.
Core changes:
- Add PINCTRL_PINGROUP() helper macro (and use it in the AMD driver).
New drivers:
- Intel Meteor Lake support.
- Reneasas RZ/V2M and r8a779g0 (R-Car V4H).
- AXP209 variants AXP221, AXP223 and AXP809.
- Qualcomm MSM8909, PM8226, PMP8074 and SM6375.
- Allwinner D1.
Improvements:
- Proper pin multiplexing in the AMD driver.
- Mediatek MT8192 can use generic drive strength and pin bias, then
fixes on top plus some I2C pin group fixes.
- Have the Allwinner Sunplus SP7021 use the generic DT schema and
make interrupts optional.
- Handle Qualcomm SC7280 ADSP.
- Handle Qualcomm MSM8916 CAMSS GP clock muxing.
- High impedance bias on ZynqMP.
- Serialize StarFive access to MMIO.
- Immutable gpiochip for BCM2835, Ingenic, Qualcomm SPMI GPIO"
* tag 'pinctrl-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (117 commits)
dt-bindings: pinctrl: qcom,pmic-gpio: add PM8226 constraints
pinctrl: qcom: Make PINCTRL_SM8450 depend on PINCTRL_MSM
pinctrl: qcom: sm8250: Fix PDC map
pinctrl: amd: Fix an unused variable
dt-bindings: pinctrl: mt8186: Add and use drive-strength-microamp
dt-bindings: pinctrl: mt8186: Add gpio-line-names property
ARM: dts: imxrt1170-pinfunc: Add pinctrl binding header
pinctrl: amd: Use unicode for debugfs output
pinctrl: amd: Fix newline declaration in debugfs output
pinctrl: at91: Fix typo 'the the' in comment
dt-bindings: pinctrl: st,stm32: Correct 'resets' property name
pinctrl: mvebu: Missing a blank line after declarations.
pinctrl: qcom: Add SM6375 TLMM driver
dt-bindings: pinctrl: Add DT schema for SM6375 TLMM
dt-bindings: pinctrl: mt8195: Use drive-strength-microamp in examples
Revert "pinctrl: qcom: spmi-gpio: make the irqchip immutable"
pinctrl: imx93: Add MODULE_DEVICE_TABLE()
pinctrl: sunxi: Add driver for Allwinner D1
pinctrl: sunxi: Make some layout parameters dynamic
pinctrl: sunxi: Refactor register/offset calculation
...
Add IRQ domain to RZ/G2L pinctrl driver to handle GPIO interrupt.
GPIO0-GPIO122 pins can be used as IRQ lines but only 32 pins can be
used as IRQ lines at a given time. Selection of pins as IRQ lines
is handled by IA55 (which is the IRQC block) which sits in between the
GPIO and GIC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220707182314.66610-7-prabhakar.mahadev-lad.rj@bp.renesas.com
This patch adds missing ERROROUTC_A settings.
Current existing ERROROUTC should be _B, this patch tidies it up.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87mtdtsj8m.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
R-Car V4H has PWM/PWM_A/PWM_B, but current PFC setting is mixed.
This patch adds missing PWM settings, and tidies these up.
According to Document, GP3_14 Function4 is PWM2_A,
but we can't select it at P1SR3[27:24].
This patch just ignore it for now.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o7y9sj90.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This patch adds missing FlexRay pins.
Because Document (Rev.0.51) has 2x FXR_TXENA/B pin with no suffix (_A, _B),
this patch names them as _X.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pmipsj9a.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This patch adds missing SCIF1_X.
Because Document (Rev.0.51) has 2x SCIF1 with no suffix (_A, _B),
this patch names it as _X.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87tu81sja1.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
R-Car V4H has SCIF3 and SCIF3_A, but current PFC setting is mixed.
This patch cleans up SCIF3/SCIF3_A, based on Rev.0.51.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87v8shsja7.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This patch adds missing HSCIF1.
Because Document (Rev.0.51) has 2x HSCIF1 with no suffix (_A, _B),
this patch names it as _X.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87wncxsjah.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This patch adds missing TCLKx_A/TCLKx_B/TCLKx_X.
Because Document (Rev.0.51) has 2x TCLK3/TCLK4 with no suffix (_A, _B),
this patch names them as _X.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/871qv5txvt.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
According to Rev.0.51 datasheet 004_R-CarV4H_pin_function.xlsx,
GP1_23 - GP1_28 are 1.8/3.3V. But they are not on Table 7.28.
According to the HW team, there are no bits assigned.
This patch follows HW team's comment.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/8735fltxwg.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Current R-Car V4H PFC code has many MOD_SELx definitions with all 0.
But these have no meaning. This patch removes them.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/875ykhtxym.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Current R-Car V4H PFC code has many IPxSRx definitions with all 0.
But these have no meaning. This patch removes them.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/877d4xtxyv.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Current R-Car V4H PFC code has many NOGP definitions. But these are not
used, and they are different from original usage. This patch removes
them.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878rpdtxz8.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
MODSEL8 controls I2C vs. GPIO modes, and the Datasheet (Rev.0.51) is
indicating that I2C needs 1. But we should use 0 for all cases in
reality. New Datasheet should be updated.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87a69ttxzg.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This patch adds initial pinctrl support for the R-Car V4H (R8A779G0)
SoC, including bias, drive strength and voltage control.
This patch was created based on the Rev.0.51 datasheet.
Signed-off-by: LUU HOAI <hoai.luu.ub@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[Morimoto: merge Kihara-san's MODSEL8 fixup patch, cleanup white space, care about reserved bits on each configs, fixup comments, etc.]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87czepty0j.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add PORT_GP_CFG_13() and PORT_GP_13() helper macros, to be used by the
r8a779g0 subdriver.
Based on a larger patch in the BSP by LUU HOAI.
Signed-off-by: LUU HOAI <hoai.luu.ub@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87edz5ty0r.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add support for pin and gpio controller driver for RZ/V2M SoC.
Based on the RZ/G2L driver.
Note that the DETDO and DETMS dedicated pins are currently not
documented in the HW manual as to which pin group they are in.
HW team has since said that the output level of 1.8V I/O group 4
(for MD0-7, and debugger) is the same as the 1.8V I/O group 3.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220624084833.22605-3-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Pin status reported by pinconf-pins file always reported pin status as
"input enabled" even for pins which had input disabled. Fix this by
returning -EINVAL for the pins which have input disabled.
Fixes: c4c4637eb5 ("pinctrl: renesas: Add RZ/G2L pin and gpio controller driver")
Reported-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220511094057.3151-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The PULMD bits and the SEC bit in the PORTCR register descriptions on
SH/R-Mobile SoCs are either unused or unsupported. Describe them as
reserved bits using a negative field width value, and drop the
corresponding dummy enum IDs.
This reduces kernel size by 2832 (R-Mobile APE6), 2544 (R-Mobile A1),
and/or 3228 (SH-Mobile AG5) bytes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1b123d8f04c2314d5a7a87004971868ba2176499.1649865241.git.geert+renesas@glider.be
Currently, reserved register fields must be fully described using dummy
enum IDs (zeroes), one for each possible state (2^bits states).
Add support for describing reserved fields using negative field width
values as shorthands, thus removing the need for dummy values. Apart
from the obvious size reduction due to the removal of the dummy values,
this will also enable merging adjacent reserved fields into a single
field, reducing the number of fields to describe, and thus kernel size.
Update the checker accordingly.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/cad7c92ef039d9a4d039807efc15886a7aa862be.1649865241.git.geert+renesas@glider.be
All fields in the IPSR registers on RZ/G1C have the same width, but the
driver describes them using the PINMUX_CFG_REG_VAR() macro, which
is intended for fields with different widths. Convert the description
to use the PINMUX_CFG_REG() macro for fixed-width fields instead.
This reduces kernel size by 162 bytes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/f6f26a0dfd16050ead83daf2b9fabeb8b26821a6.1649865241.git.geert+renesas@glider.be
* Introduce helpers to iterate over GPIO chip nodes and covert some drivers
The following is an automated git shortlog grouped by driver:
gpiolib:
- Introduce a helper to get first GPIO controller node
- Introduce gpiochip_node_count() helper
- Introduce for_each_gpiochip_node() loop helper
pinctrl:
- meson: Replace custom code by gpiochip_node_count() call
- meson: Enable COMPILE_TEST
- meson: Rename REG_* to MESON_REG_*
- armada-37xx: Reuse GPIO fwnode in armada_37xx_irqchip_register()
- armada-37xx: Switch to use fwnode instead of of_node
- samsung: Switch to use for_each_gpiochip_node() helper
- samsung: Drop redundant node parameter in samsung_banks_of_node_get()
- npcm7xx: Switch to use for_each_gpiochip_node() helper
- renesas: rza1: Switch to use for_each_gpiochip_node() helper
- renesas: rza1: Replace custom code by gpiochip_node_count() call
- stm32: Switch to use for_each_gpiochip_node() helper
- stm32: Replace custom code by gpiochip_node_count() call
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Merge tag 'intel-gpio-v5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into devel
intel-gpio for v5.19-1
* Introduce helpers to iterate over GPIO chip nodes and covert some drivers
The following is an automated git shortlog grouped by driver:
gpiolib:
- Introduce a helper to get first GPIO controller node
- Introduce gpiochip_node_count() helper
- Introduce for_each_gpiochip_node() loop helper
pinctrl:
- meson: Replace custom code by gpiochip_node_count() call
- meson: Enable COMPILE_TEST
- meson: Rename REG_* to MESON_REG_*
- armada-37xx: Reuse GPIO fwnode in armada_37xx_irqchip_register()
- armada-37xx: Switch to use fwnode instead of of_node
- samsung: Switch to use for_each_gpiochip_node() helper
- samsung: Drop redundant node parameter in samsung_banks_of_node_get()
- npcm7xx: Switch to use for_each_gpiochip_node() helper
- renesas: rza1: Switch to use for_each_gpiochip_node() helper
- renesas: rza1: Replace custom code by gpiochip_node_count() call
- stm32: Switch to use for_each_gpiochip_node() helper
- stm32: Replace custom code by gpiochip_node_count() call
It will cause null-ptr-deref when using 'res', if platform_get_resource()
returns NULL, so move using 'res' after devm_ioremap_resource() that
will check it to avoid null-ptr-deref.
And use devm_platform_get_and_ioremap_resource() to simplify code.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220429082637.1308182-2-yangyingliang@huawei.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
It will cause null-ptr-deref when using 'res', if platform_get_resource()
returns NULL, so move using 'res' after devm_ioremap_resource() that
will check it to avoid null-ptr-deref.
And use devm_platform_get_and_ioremap_resource() to simplify code.
Fixes: c7977ec4a3 ("pinctrl: sh-pfc: Convert to platform_get_*()")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220429082637.1308182-1-yangyingliang@huawei.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Unlike on R-Car Gen3 SoCs, setting a bit to zero in a GPIO / Peripheral
Function Select Register (GPSRn) on R-Car S4-8 is not always sufficient
to configure a pin for GPIO. For I2C-capable pins, the I2C function
must also be explicitly disabled in the corresponding Module Select
Register (MODSELn).
Add the missing FN_SEL_I2Ci_0 function enums to the pinmux_data[] array
by temporarily overriding the GP_1_j_FN function enum to expand to two
enums: the original GP_1_j_FN enum to configure the GPSR register bits,
and the missing FN_SEL_I2Ci_0 enum to configure the MODSEL register
bits.
Fixes: 030ac6d7ee ("pinctrl: renesas: Initial R8A779F0 PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/c12c60ec1058140a37f03650043ab73f730f104f.1650610471.git.geert+renesas@glider.be
Unlike on R-Car Gen3 SoCs, setting a bit to zero in a GPIO / Peripheral
Function Select Register (GPSRn) on R-Car V3U is not always sufficient
to configure a pin for GPIO. For I2C-capable pins, the I2C function
must also be explicitly disabled in the corresponding Module Select
Register (MODSELn).
Add the missing FN_SEL_I2Ci_0 function enums to the pinmux_data[] array
by temporarily overriding the GP_2_j_FN function enum to expand to two
enums: the original GP_2_j_FN enum to configure the GSPR register bits,
and the missing FN_SEL_I2Ci_0 enum to configure the MODSEL register
bits.
Fixes: 741a7370fc ("pinctrl: renesas: Initial R8A779A0 (V3U) PFC support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/4611e29e7b105513883084c1d6dc39c3ac8b525c.1650610471.git.geert+renesas@glider.be
GPIO (PINCTRL) block is identical on Renesas RZ/G2L, RZ/G2UL and RZ/V2L
SoC's, so instead of selecting PINCTRL_RZG2L config for each SoC select
PINCTRL_RZG2L config option if ARCH_RZG2L is enabled. The ARCH_RZG2L
config option is already selected by ARCH_R9A07G043, ARCH_R9A07G044 and
ARCH_R9A07G054.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220406075318.14385-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
RZ/G2UL SoC has fewer pins compared to RZ/G2L and the port pin
definitions are different compared to RZ/G2L.
This patch adds a new compatible to take care of these differences by
adding r9a07g043_data with r9a07g043_gpio_configs and
rzg2l_dedicated_pins.common.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220401180230.19950-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add pins, groups, and functions for the SPI Multi I/O Bus Controller
(RPC-IF) to the R8A77990 PFC driver. They are to be used when an
Octal-SPI Flash or HyperFlash is connected.
Redefine the QSPI[01] pin groups using the RPC DQ[0:7] pin data, to save
memory.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/ec9735bb3468225e04ac6cb95e11a0e237b2b9ed.1648547080.git.geert+renesas@glider.be
According to R-Car Gen3 HW documentation 2.20 onwards, drive-strength is
introduced to r8a77990. It is also documented for r8a774c0. Add it to
the pinctrl driver.
Signed-off-by: LUU HOAI <hoai.luu.ub@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220320092542.2308-3-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The checker code to iterate over all drive strength and bias register
description items is cumbersome, due to the repeated calculation of
indices, and the use of hardcoded array sizes. The latter was done
under the assumption they would never need to be changed, which turned
out to be false.
Increase readability by introducing helper macros to access drive
strength and bias register description items.
Increase maintainability by replacing hardcoded numbers by array sizes
calculated at compile-time.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/5051ae56a1388ccf2d283dfc9624de2991cce914.1650355619.git.geert+renesas@glider.be
Switch the code to use for_each_gpiochip_node() helper.
While at it, in order to avoid additional churn in the future,
switch to fwnode APIs where it makes sense.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Since we have generic function to count GPIO controller nodes
under a given device, there is no need to open code it. Replace
custom code by gpiochip_node_count() call.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add pins, groups, and function for the Clock-Synchronized Serial
Interfaces with FIFO (MSIOF) on the Renesas R-Car S4-8 (R8A779F0) SoC.
Based on a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/c625769714b1027a756dd2ed4a017eb24708a041.1645457792.git.geert+renesas@glider.be
Add pins, groups, and functions for the High Speed Serial Communication
Interfaces with FIFO (HSCIF) on the Renesas R-Car S4-8 (R8A779F0) SoC.
Based on a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/2b85b8857c1189fa6ee33e2f57fe746d740481d1.1645457792.git.geert+renesas@glider.be
Add pins, groups, and functions for the Serial Communication Interfaces
with FIFO (SCIF) on the Renesas R-Car S4-8 (R8A779F0) SoC.
Extracted from a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/6369359a53483291ee536787c8a232462ff1b3a9.1645457792.git.geert+renesas@glider.be
Add initial Pin Function Controller (PFC) support for the Renesas R-Car
S4-8 (R8A779F0) SoC, including bias, drive strength and voltage control.
Based on a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/fd8201da404b7b0897130b254380ffc97f437266.1645457792.git.geert+renesas@glider.be
Linus reports that some Renesas pin control sub-drivers are still
including <linux/gpio.h> instead of <linux/gpio/driver.h>. As these
sub-drivers don't need either, the includes can just be removed.
Reported-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/578825d779b45af745cc7623c7f69d2ddeadac4b.1645605227.git.geert+renesas@glider.be
The checker failed to validate all enum IDs in the description of a
register with fixed-width register fields, due to a miscalculation of
the number of described states: each register field of n bits can have
"1 << n" possible states, not "1".
Increase SH_PFC_MAX_ENUMS accordingly, now more enum IDs are checked
(SH-Mobile AG5 has more than 4000 enum IDs defined).
Fixes: 12d057bad6 ("pinctrl: sh-pfc: checker: Add check for enum ID conflicts")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/6d8a6a05564f38f9d20464c1c17f96e52740cf6a.1645460429.git.geert+renesas@glider.be
Validate consistency of the pin control tables for pins with I/O voltage
capabilities. If a pin has I/O voltage register bits declarations
through .pin_to_pocctrl(), the SH_PFC_PIN_CFG_IO_VOLTAGE flag should be
set in the pin's configs, and vice versa.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/de81cced01ae3f26d341177d66d4b8e918fbfb76.1640270559.git.geert+renesas@glider.be
Validate consistency of the pin control tables for pins with drive
strength capabilities. If a pin has drive strength register bits
declarations in drive_regs[], the SH_PFC_PIN_CFG_DRIVE_STRENGTH flag
should be set in the pin's configs, and vice versa.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/0d5de01b5fe2c5fd23c3bea41077dc57ad105b9e.1640270559.git.geert+renesas@glider.be
Validate consistency of the pin control tables for pins with pull-up
and/or pull-down capabilities. If a pin has bias register bits
declarations in bias_regs[] or through .pin_to_portcr(), the
corresponding SH_PFC_PIN_CFG_PULL* flags should be set in the pin's
configs, and vice versa, and the .get_bias() and .set_bias() callbacks
should be implemented.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/19b3e0773fbb36c015a43db683f79e75b0fec3ee.1640270559.git.geert+renesas@glider.be
Currently rcar_pin_to_bias_reg() takes a struct sh_pfc pointer, which is
only available after the pin control driver has been initialized,
thus preventing the checker from calling this function for validating
consistency of the pin control tables.
Fix this by replacing the parameter by a struct sh_pfc_soc_info pointer.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/3065a12dde606bacec9e5f14f10cabeaae75e265.1640270559.git.geert+renesas@glider.be
All implementations of the .pin_to_portcr() method implement the same
conversion from Port Control Register offset to virtual address. Factor
it out into the two callers.
Remove the pfc parameter, as it is no longer used.
Note that the failure handling in r8a7740_pin_to_portcr() is pro forma,
as the function is never called with an invalid pin number.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/a485d4986a17259256988eb14e3a4c2b8d61c303.1640270559.git.geert+renesas@glider.be
The pfc parameter of the .pin_to_pocctrl() method was never used.
It is a relic of the old I/O voltage handling before commit
8775306dcf ("pinctrl: sh-pfc: refactor voltage setting").
Remove the parameter, as it prevents the checker from calling this
function for validating consistency of the pin control tables.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/822133086f32618c7fc920123c6a96f5d4ea7ad6.1640270559.git.geert+renesas@glider.be
Pin groups mmc_data[14] are subsets of mmc_data8.
Treat mmc_data8_b the same for consistency. Note that there is no need
to define 1-bit and 4-bit wide subsets for the b-variant, as they're
identical to the normal variants.
This reduces kernel size by 40 bytes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/be1f11c87e51224e043291f4d8e28b620811ac76.1640269757.git.geert+renesas@glider.be
