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2020-11-13pinctrl: renesas: Protect GPIO leftovers by CONFIG_PINCTRL_SH_FUNC_GPIOGeert Uytterhoeven3-3/+11
On SuperH and ARM SH/R-Mobile SoCs, the pin control driver handles GPIOs, too. To reduce code size when compiling a kernel supporting only modern SoCs, most, but not all, of the GPIO functionality is protected by checks for CONFIG_PINCTRL_SH_FUNC_GPIO. Factor out the remaining parts when not needed: 1. sh_pfc_soc_info.{in,out}put describe GPIO pins that have input resp. output capabilities (SuperH and SH/R-Mobile). 2. sh_pfc_soc_info.gpio_irq{,_size} describe the mapping from GPIO pins to interrupt numbers (SH/R-Mobile). 3. sh_pfc_gpio_set_direction() configures GPIO direction, called from the GPIO driver through pinctrl_gpio_direction_{in,out}put() (SH/R-Mobile). Unfortunately this function cannot just be moved to drivers/pinctrl/renesas/gpio.c, as it relies on knowledge of sh_pfc_pinctrl, which is internal to drivers/pinctrl/renesas/pinctrl.c. While code size reduction is minimal, this does help in documenting depencies. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-9-geert+renesas@glider.be
2020-11-13pinctrl: renesas: r8a7778: Use common R-Car bias handlingGeert Uytterhoeven2-40/+10
Currently, the rcar_pinmux_[gs]et_bias() helpers handle only SoCs that have separate LSI Pin Pull-Enable (PUEN) and Pull-Up/Down Control (PUD) registers, like R-Car Gen3 and RZ/G2. Update the function to handle SoCs that have only LSI Pin Pull-Up Control Register (PUPR), like R-Car Gen1/Gen2 and RZ/G1. Reduce code duplication by converting the R-Car M1A pin control driver to use the common handler. Note that this changes behavior in case the (invalid!) option "bias-pull-down" is used in an R-Car M1A DTS: before, it was ignored silently; after this change, it is considered the same as "bias-pull-up". Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-8-geert+renesas@glider.be
2020-11-13pinctrl: renesas: r8a7778: Use physical addresses for PUPR regsGeert Uytterhoeven1-15/+9
The handling of the LSI Pin Pull-Up Control Registers (PUPR) on R-Car M1A uses register offsets instead of register physical addresses. This is different from the handling on other R-Car parts. Convert the bias handling from register offsets to physical addresses. This increases uniformity, and prepares for consolidation of the bias handling. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-7-geert+renesas@glider.be
2020-11-13pinctrl: renesas: Factor out common R-Car Gen3 bias handlingGeert Uytterhoeven7-215/+54
All pin control drivers for R-Car Gen3 SoCs contain identical bias handling. Reduce code duplication by moving it to the common pinctrl.c code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-6-geert+renesas@glider.be
2020-11-13pinctrl: renesas: Optimize sh_pfc_pin_configGeert Uytterhoeven1-6/+4
Shrink sh_pfc_pin_config from 8 to 2 bytes: - The mux_set flag can be removed, as a non-zero mark value means the same (zero = PINMUX_RESERVED is an invalid mark value), - The gpio_enabled flag needs only a single bit, - Mark values are small integers, and can easily fit in a 15-bit bitfield. This saves 6 bytes per pin when allocating the sh_pfc_pinctrl.configs array, i.e. it reduces run-time memory consumption by ca. 1.5 KiB. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-5-geert+renesas@glider.be
2020-11-13pinctrl: renesas: Reorder struct sh_pfc_pin to remove holeGeert Uytterhoeven1-2/+2
On arm64, pointer size and alignment is 64-bit, hence a 4-byte hole is present in between the enum_id and name members of the sh_pfc_pin structure. Get rid of this hole by sorting the structure's members by decreasing size. This saves up to 1.5 KiB per enabled SoC, and reduces the size of a kernel including support for all R-Car Gen3 SoCs by more than 10 KiB. This has no size impact on SH and arm32. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-4-geert+renesas@glider.be
2020-11-13pinctrl: renesas: Singular/plural grammar fixesGeert Uytterhoeven2-4/+4
Fix a few singular vs. plural grammar issues in comments. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-3-geert+renesas@glider.be
2020-11-13pinctrl: renesas: Remove superfluous goto in sh_pfc_gpio_set_direction()Geert Uytterhoeven1-5/+0
Commit b13431ed6eab808a ("pinctrl: sh-pfc: Remove incomplete flag "cfg->type"") removed the last statement in between the goto and the label. Hence remove both. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20201028151637.1734130-2-geert+renesas@glider.be
2020-11-13pinctrl: renesas: r8a7791: Optimize pinctrl image size for R8A774[34]Biju Das1-0/+18
This driver supports both RZ/G1[MN] and R-Car M2-W/M2-N SoCs. Optimize pinctrl image size for RZ/G1[MN], when support for R-Car M2-W/M2-N (R8A779[13]) is not enabled. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20201019124258.4574-7-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-11-13pinctrl: renesas: r8a7790: Optimize pinctrl image size for R8A7742Biju Das1-0/+14
This driver supports both RZ/G1H and R-Car H2 SoCs. Optimize pinctrl image size for RZ/G1H, when support for R-Car H2 (R8A7790) is not enabled. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20201019124258.4574-6-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-11-13pinctrl: renesas: r8a77990: Optimize pinctrl image size for R8A774C0Biju Das1-0/+12
This driver supports both RZ/G2E and R-Car E3 SoCs. Optimize pinctrl image size for RZ/G2E, when support for R-Car E3 (R8A77990) is not enabled. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20201019124258.4574-5-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-11-13pinctrl: renesas: r8a77965: Optimize pinctrl image size for R8A774B1Biju Das1-0/+12
This driver supports both RZ/G2N and R-Car M3-N SoCs. Optimize pinctrl image size for RZ/G2N, when support for R-Car M3-N (R8A77965) is not enabled. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20201019124258.4574-4-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-11-13pinctrl: renesas: r8a7796: Optimize pinctrl image size for R8A774A1Biju Das1-0/+12
This driver supports both RZ/G2M and R-Car M3-W/W+ SoCs. Optimize pinctrl image size for RZ/G2M, when support for R-Car M3-W/W+ (R8A7796[01]) is not enabled. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20201019132805.5996-1-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-11-13pinctrl: renesas: r8a77951: Optimize pinctrl image size for R8A774E1Biju Das1-2/+12
This driver supports both RZ/G2H and R-Car H3 ES2 SoCs. Optimize pinctrl image size for RZ/G2H, when support for R-Car H3 ES2 (R8A77951) is not enabled. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20201019124258.4574-2-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-11-11pinctrl: pinctrl-at91-pio4: Set irq handler and data in one goMartin Kaiser1-2/+2
Replace the two separate calls for setting the irq handler and data with a single irq_set_chained_handler_and_data() call. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Link: https://lore.kernel.org/r/20201108180144.28594-1-martin@kaiser.cx Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-11-11pinctrl: qcom: sdx55: update kconfig dependencyVinod Koul1-1/+1
Commit be117ca32261 ("pinctrl: qcom: Kconfig: Rework PINCTRL_MSM to be a dependency rather then a selected config") moved the qcom pinctrl drivers to have PINCTRL_MSM as dependency rather then a selected config, so do this change for SDX55 pinctrl driver as well. Signed-off-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20201111043610.177168-1-vkoul@kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-11-11pinctrl: nomadik: db8500: Add more detailed LCD groupsLinus Walleij1-1/+9
We need a more granular distribution among funcion A and function B for the LCD pins for the Samsung GT-I9070. Provide some new pin groups so we can configure this phone properly. Link: https://lore.kernel.org/r/20201110232330.2242167-1-linus.walleij@linaro.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2020-11-10pinctrl: qcom: Add SDX55 pincontrol driverJeevan Shriram3-0/+1028
Add initial Qualcomm SDX55 pinctrl driver to support pin configuration with pinctrl framework for SDX55 SoC. [ported from downstream and tidy up] Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org> Signed-off-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20201109062620.14566-3-vkoul@kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org>