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path: root/drivers/mfd/sprd-sc27xx-spi.c
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2022-12-07mfd: sprd-sc27xx-spi: Replace irqchip mask_invert with unmask_baseAidan MacDonald1-2/+1
Remove use of the deprecated mask_invert flag. Inverted mask registers (where a '1' bit enables an IRQ) can be described more directly as an unmask register. Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Signed-off-by: Lee Jones <lee@kernel.org> Link: https://lore.kernel.org/r/20221112151835.39059-15-aidanmacdonald.0x0@gmail.com
2022-12-07mfd: sprd-sc27xx: Remove #ifdef guards for PM related functionsPaul Cercueil1-4/+3
Use the new DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros to handle the .suspend/.resume callbacks. These macros allow the suspend and resume functions to be automatically dropped by the compiler when CONFIG_SUSPEND is disabled, without having to use #ifdef guards. This has the advantage of always compiling these functions in, independently of any Kconfig option. Thanks to that, bugs and other regressions are subsequently easier to catch. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Lee Jones <lee@kernel.org>
2022-04-27mfd: sprd: Jugle {of,spi}_device_id tables into numerical orderCixi Geng1-2/+2
Ordered with the smallest number at the top. Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20220427075212.3409407-1-gengcixi@gmail.com
2022-04-27mfd: sprd: Add SC2730 PMIC to SPI device ID tableCixi Geng1-0/+1
Add the SC2730 PMIC support for module autoloading through SPI modalises. Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20220425132410.2708304-1-gengcixi@gmail.com
2021-11-05mfd: sprd: Add SPI device ID tableMark Brown1-0/+7
Currently autoloading for SPI devices does not use the DT ID table, it uses SPI modalises. Supporting OF modalises is going to be difficult if not impractical, an attempt was made but has been reverted, so ensure that module autoloading works for this driver by adding a SPI device ID table. Fixes: 96c8395e2166 ("spi: Revert modalias changes") Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20210924143347.14721-4-broonie@kernel.org
2021-11-05mfd: sprd: Add support for SC2730 PMICChunyan Zhang1-0/+10
SC2730 is a PMIC SoC integrated in UMS512. Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-09-30mfd: sprd: Add wakeup capability for PMIC IRQBaolin Wang1-1/+27
When changing to use suspend-to-idle to save power, the PMIC irq can not wakeup the system due to lack of wakeup capability, which will cause the sub-irqs (such as power key) of the PMIC can not wake up the system. Thus we can add the wakeup capability for PMIC irq to solve this issue, as well as removing the IRQF_NO_SUSPEND flag to allow PMIC irq to be a wakeup source. Reported-by: Chunyan Zhang <zhang.lyra@gmail.com> Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Tested-by: Chunyan Zhang <chunyan.zhang@unisoc.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-07-06mfd: sprd-sc27xx-spi: Fix-up bogus IRQ register offset and mask settingLee Jones1-4/+2
'i / pdata->num_irqs' always equates to 0 and 'BIT(i % pdata->num_irqs)' always ends up being BIT(i) here, so make that clearer in the code. If the code base needs to support more than 32 IRQs in the future, this will have to be reworked, but lets just keep it simple for as long as we can. This fixes the following W=1 warning: drivers/mfd/sprd-sc27xx-spi.c:255 sprd_pmic_probe() debug: sval_binop_unsigned: divide by zero Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Suggested-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-07-06mfd: sprd-sc27xx-spi: Fix symbol 'sprd_pmic_detect_charger_type' was not ↵Lee Jones1-0/+1
declared warning Sparse reports: drivers/mfd/sprd-sc27xx-spi.c:59:23: warning: symbol 'sprd_pmic_detect_charger_type' was not declared. Should it be static? ... due to a missing header file. Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-06-25mfd: sprd: Populate sub-devices defined in DTChunyan Zhang1-72/+3
SC27XX-SPI added subdevices according to a pre-defined mfd_cell array, no matter these devices were really included on board. In this patch, switch to use devm_of_platform_populate() for adding sub-devices which are defined in devicetree. Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-05-26mfd: sprd: Remove unnecessary spi_bus_type settingBaolin Wang1-1/+0
The spi_register_driver() will set the spi_bus_type for the spi_driver, thus remove the redundant setting in this driver. Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-03-30mfd: sc27xx: Add USB charger type detection supportBaolin Wang1-0/+52
The Spreadtrum SC27XX series PMICs supply the USB charger type detection function, and related registers are located on the PMIC global registers region, thus we implement and export this function in the MFD driver for users to get the USB charger type. Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282Thomas Gleixner1-9/+1
Based on 1 normalized pattern(s): this software is licensed under the terms of the gnu general public license version 2 as published by the free software foundation and may be copied distributed and modified under those terms this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 285 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-04-02mfd: sc27xx: Use SoC compatible string for PMIC devicesBaolin Wang1-21/+21
We should use SoC compatible string in stead of wildcard string for PMIC child devices. Fixes: 0419a75b1808 (arm64: dts: sprd: Remove wildcard compatible string) Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-13treewide: devm_kzalloc() -> devm_kcalloc()Kees Cook1-2/+3
The devm_kzalloc() function has a 2-factor argument form, devm_kcalloc(). This patch replaces cases of: devm_kzalloc(handle, a * b, gfp) with: devm_kcalloc(handle, a * b, gfp) as well as handling cases of: devm_kzalloc(handle, a * b * c, gfp) with: devm_kzalloc(handle, array3_size(a, b, c), gfp) as it's slightly less ugly than: devm_kcalloc(handle, array_size(a, b), c, gfp) This does, however, attempt to ignore constant size factors like: devm_kzalloc(handle, 4 * 1024, gfp) though any constants defined via macros get caught up in the conversion. Any factors with a sizeof() of "unsigned char", "char", and "u8" were dropped, since they're redundant. Some manual whitespace fixes were needed in this patch, as Coccinelle really liked to write "=devm_kcalloc..." instead of "= devm_kcalloc...". The Coccinelle script used for this was: // Fix redundant parens around sizeof(). @@ expression HANDLE; type TYPE; expression THING, E; @@ ( devm_kzalloc(HANDLE, - (sizeof(TYPE)) * E + sizeof(TYPE) * E , ...) | devm_kzalloc(HANDLE, - (sizeof(THING)) * E + sizeof(THING) * E , ...) ) // Drop single-byte sizes and redundant parens. @@ expression HANDLE; expression COUNT; typedef u8; typedef __u8; @@ ( devm_kzalloc(HANDLE, - sizeof(u8) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(__u8) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(char) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(unsigned char) * (COUNT) + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(u8) * COUNT + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(__u8) * COUNT + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(char) * COUNT + COUNT , ...) | devm_kzalloc(HANDLE, - sizeof(unsigned char) * COUNT + COUNT , ...) ) // 2-factor product with sizeof(type/expression) and identifier or constant. @@ expression HANDLE; type TYPE; expression THING; identifier COUNT_ID; constant COUNT_CONST; @@ ( - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * (COUNT_ID) + COUNT_ID, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * COUNT_ID + COUNT_ID, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * (COUNT_CONST) + COUNT_CONST, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * COUNT_CONST + COUNT_CONST, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * (COUNT_ID) + COUNT_ID, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * COUNT_ID + COUNT_ID, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * (COUNT_CONST) + COUNT_CONST, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * COUNT_CONST + COUNT_CONST, sizeof(THING) , ...) ) // 2-factor product, only identifiers. @@ expression HANDLE; identifier SIZE, COUNT; @@ - devm_kzalloc + devm_kcalloc (HANDLE, - SIZE * COUNT + COUNT, SIZE , ...) // 3-factor product with 1 sizeof(type) or sizeof(expression), with // redundant parens removed. @@ expression HANDLE; expression THING; identifier STRIDE, COUNT; type TYPE; @@ ( devm_kzalloc(HANDLE, - sizeof(TYPE) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) ) // 3-factor product with 2 sizeof(variable), with redundant parens removed. @@ expression HANDLE; expression THING1, THING2; identifier COUNT; type TYPE1, TYPE2; @@ ( devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(TYPE2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | devm_kzalloc(HANDLE, - sizeof(THING1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) | devm_kzalloc(HANDLE, - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) ) // 3-factor product, only identifiers, with redundant parens removed. @@ expression HANDLE; identifier STRIDE, SIZE, COUNT; @@ ( devm_kzalloc(HANDLE, - (COUNT) * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - (COUNT) * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - (COUNT) * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - (COUNT) * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | devm_kzalloc(HANDLE, - COUNT * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) ) // Any remaining multi-factor products, first at least 3-factor products, // when they're not all constants... @@ expression HANDLE; expression E1, E2, E3; constant C1, C2, C3; @@ ( devm_kzalloc(HANDLE, C1 * C2 * C3, ...) | devm_kzalloc(HANDLE, - (E1) * E2 * E3 + array3_size(E1, E2, E3) , ...) | devm_kzalloc(HANDLE, - (E1) * (E2) * E3 + array3_size(E1, E2, E3) , ...) | devm_kzalloc(HANDLE, - (E1) * (E2) * (E3) + array3_size(E1, E2, E3) , ...) | devm_kzalloc(HANDLE, - E1 * E2 * E3 + array3_size(E1, E2, E3) , ...) ) // And then all remaining 2 factors products when they're not all constants, // keeping sizeof() as the second factor argument. @@ expression HANDLE; expression THING, E1, E2; type TYPE; constant C1, C2, C3; @@ ( devm_kzalloc(HANDLE, sizeof(THING) * C2, ...) | devm_kzalloc(HANDLE, sizeof(TYPE) * C2, ...) | devm_kzalloc(HANDLE, C1 * C2 * C3, ...) | devm_kzalloc(HANDLE, C1 * C2, ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * (E2) + E2, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(TYPE) * E2 + E2, sizeof(TYPE) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * (E2) + E2, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - sizeof(THING) * E2 + E2, sizeof(THING) , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - (E1) * E2 + E1, E2 , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - (E1) * (E2) + E1, E2 , ...) | - devm_kzalloc + devm_kcalloc (HANDLE, - E1 * E2 + E1, E2 , ...) ) Signed-off-by: Kees Cook <keescook@chromium.org>
2018-05-16mfd: sprd: Add one syscon cell to access PMIC global registersBaolin Wang1-0/+3
There are some global registers in Spreadtrum sc27xx PMICs, which will be accessed by other drivers. So this patch adds one syscon cell to help to access the PMIC's global registers. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-11-01mfd: Add Spreadtrum SC27xx series PMICs driverBaolin Wang1-0/+259
This patch adds support for Spreadtrum SC27xx series PMIC MFD core, and It provides communication through the SPI interfaces. The SC27xx series PMICs contains the following 6 major components: - DCDCs - LDOs - Battery management system - Audio codec - User interface function, such as indicator, flash LED - IC level function, such as power on/off, type-c Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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