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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 537db25ca330dce0 ("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
d92ee9cf8ec8d7fe ("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: b811062e5fd0343c ("pinctrl: renesas: r8a779g0: Add missing ERROROUTC_A")
Fixes: ad9bb2fec66262b0 ("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: 741a7370fc3b8b54 ("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: bfc69bdbaad1 ("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 502df79b860563d7 ("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>
