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path: root/drivers/regulator
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2019-02-12MLK-13793-6 regulator: anatop: fix min dropout for bypass modeIrina Tirdea
In bypass mode, the anatop digital regulators do not have any minimum dropout value (the input voltage is equal to the output voltage according to documentation). Having a min dropout value of 125mV will lead to an increased voltage for PMIC supplies. Only set minimum dropout value for ldo enabled mode. Signed-off-by: Irina Tirdea <irina.tirdea@nxp.com>
2019-02-12regulator: core: Adjust supplies for bypassed regulatorsLeonard Crestez
When a regulator is in bypass mode it's output is equal to it's supply and it can't do any adjustment. Deal with all set_voltage calls by propagating them upwards. Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
2019-02-12regulator: core: Refactor _regulator_should_adjust_supply conditionLeonard Crestez
It is difficult to understand what's going on inside a single if statement so split it into a separate function. Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
2019-02-12MLK-13793-2 regulator: anatop: Do not print error message for EPROBE_DEFERIrina Tirdea
An anatop regulator will return -EPROBE_DEFER when trying to register, if it has a supply from PMIC and this supply is not yet registered. This does not represent an error since the driver will call probe again later, so skip the error message in this case. Signed-off-by: Irina Tirdea <irina.tirdea@nxp.com>
2019-02-12MLK-13720-4: regulator: pf1550-regulator-rpmsg: fix "rpmsg_send timeout"Robin Gong
Sometimes rpmsg callback triggered quickly before reinit_completion, then cause "rpmsg_send timeout!". Move reinit_completion to the place before rpmsg_send to make sure the completion is ready before callback triggered. Signed-off-by: Robin Gong <yibin.gong@nxp.com> (cherry picked from commit 8e44277d3f27e5f46232bd705ee9ef594db42575)
2019-02-12MLK-13720-3: regulator: pf1550-regulator-rpmsg: use the specific pf1550 ↵Robin Gong
rpmsg channel name Since multi rpmsg instances supported now, we can use the specific rpmsg channel name "rpmsg-regulator-channel" instead of "rpmsg-openamp-demo-channel" Signed-off-by: Robin Gong <yibin.gong@nxp.com> (cherry picked from commit 8a9d73fe43da2833951b428f389aac01aef7cb2a)
2019-02-12MLK-13636-2 regulator: pf1550-regulator-rmpsg: enable pm_qos to prevent low ↵Robin Gong
power idle CLKE bit of MU_CR may bring VLS state mess in M4 side, so use pm_qos instead to prevent i.mx7ulp A7 core enter STOP mode during pf1550 send command by rpmsg Signed-off-by: Robin Gong <yibin.gong@nxp.com>
2019-02-12MLK-13615-1 regulator: pf1550-regulator-rpmsg: should set voltage closest to ↵Dong Aisheng
min_uV According to API definition, Set the voltage for the regulator within the range specified, the driver should select the voltage closest to min_uV. Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
2019-02-12MLK-13577-3 regulator: pf1550-regulator-rpmsg: add pf1550 regulator rpmsg driverRobin Gong
add pf1550 regulator rpmsg driver to control pf1550 on the m4 side by rpmsg. Signed-off-by: Robin Gong <yibin.gong@nxp.com>
2019-02-12MLK-13387-3 regulator: consumer: add new event macroRichard Zhu
Add one new regulator events macro 'REGULATOR_EVENT_AFT_DO_ENABLE'. 1.8v of imx7d pcie phy, should be turned on after the 1p0d(1.0v) of pcie phy is turned on. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
2019-02-12MLK-12928-16 regulator: pf1550: check device node checkRobin Gong
Do not probe if the device node is not correct in dts. Signed-off-by: Robin Gong <yibin.gong@nxp.com>
2019-02-12MLK-12928-15 mfd/regulator: pf1550: check OTP_SW2_DVS_ENB bit for different ↵Robin Gong
voltages check OTP_SW2_DVS_ENB bit for the different voltage list while SW2 regulator registered. Signed-off-by: Robin Gong <yibin.gong@nxp.com>
2019-02-12MLK-12928-7 regulator: pf1550: correct ldo ops settingRobin Gong
The voltage of LDO1 and LDO3 are not linear, use voltage_table instead,so add new ops for them. Meanwhile, correct 12500uV for one step of SW1/SW2 rather than 125000uV. Signed-off-by: Robin Gong <yibin.gong@nxp.com>
2019-02-12MLK-12928-2 regulator: pf1550: add pf1550 regulator driverRobin Gong
Add basic pf1550 regulator driver. Signed-off-by: Robin Gong <yibin.gong@nxp.com>
2019-02-12MLK-11465-1: regulator: pfuze100: update voltage setting for SW1A of PF3000Robin Gong
Regards to the pfuze3000 doc update, regulator driver need to be updated too. Otherwise the voltage information show wrongly. Signed-off-by: Robin Gong <b38343@freescale.com>
2019-02-12MLK-11550-1: regulator: pfuze100: restore some registers after LPSR for ↵Robin Gong
pfuze3000 Some registers on pfuze3000 will lost after exit from LPSR, need restore them, otherwise system may reboot with below command after system enter LPSR one time: root@imx7d_all:~# echo enabled > /sys/class/tty/ttymxc0/power/wakeup root@imx7d_all:~# echo mem > /sys/power/state because LDOGCTL not recover as 1. Add 'fsl,lpsr-mode' property to this case, please add this property if your board support LPSR mode as imx7d-12x12-lpddr3-arm2 board. Signed-off-by: Robin Gong <b38343@freescale.com>
2019-02-12MLK-11556-1 pmic: max17135: add hwmon, mfd and regulator drivers for this pmicRobby Cai
Add PMIC 'MAX17135' module drivers to 4.1.y kernel. These are necessary to supply power for E-ink panel display functions. Signed-off-by: Robby Cai <r63905@freescale.com>
2019-02-12MLK-11561-2 regulator: anatop: set default voltage selector for pcieRichard Zhu
The code reads the default voltage selector from its register. If the default voltage selector is 0 which results in faulty behaviour of this regulator driver. This patch sets a default voltage selector for vddpcie-phy if it is not set in the register. Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
2019-02-12MLK-11407-3: regulator: anatop: force vddpu to use same voltage level as vddsocShawn Guo
The anatop on i.MX6 requires that vddpu use the same voltage level as vddsoc. It's a quick hacking to force the check whenever vddpu is about to be enabled. Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Robin Gong <b38343@freescale.com> Also take into consideration bypass mode when using the vddsoc selector for vddpu. Signed-off-by: Irina Tirdea <irina.tirdea@nxp.com> Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
2019-02-12MLK-11395-3 regulator: consumer: add new event macrosFancy Fang
Add two new regulator events macro 'REGULATOR_EVENT_PRE_DO_ENABLE' and 'REGULATOR_EVENT_PRE_DO_DISABLE', since some gpc operations should be required when MIPI PHY is powered on/off. Signed-off-by: Fancy Fang <chen.fang@freescale.com>
2019-02-12MLK-10196-3 regulator: anatop: Add non core enable/disablePeter Chen
Add non core enable/disable API. Signed-off-by: Peter Chen <peter.chen@freescale.com> (cherry picked from commit 38681ee653cb75fa1839547414c7780c4f3a7c00)
2018-10-03regulator: fix crash caused by null driver dataYu Zhao
commit fb6de923ca3358a91525552b4907d4cb38730bdd upstream. dev_set_drvdata() needs to be called before device_register() exposes device to userspace. Otherwise kernel crashes after it gets null pointer from dev_get_drvdata() when userspace tries to access sysfs entries. [Removed backtrace for length -- broonie] Signed-off-by: Yu Zhao <yuzhao@google.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-03regulator: Don't return or expect -errno from of_map_mode()Douglas Anderson
[ Upstream commit 02f3703934a42417021405ef336fe45add13c3d1 ] In of_get_regulation_constraints() we were taking the result of of_map_mode() (an unsigned int) and assigning it to an int. We were then checking whether this value was -EINVAL. Some implementers of of_map_mode() were returning -EINVAL (even though the return type of their function needed to be unsigned int) because they needed to signal an error back to of_get_regulation_constraints(). In general in the regulator framework the mode is always referred to as an unsigned int. While we could fix this to be a signed int (the highest value we store in there right now is 0x8), it's actually pretty clean to just define the regulator mode 0x0 (the lack of any bits set) as an invalid mode. Let's do that. Fixes: 5e5e3a42c653 ("regulator: of: Add support for parsing initial and suspend modes") Suggested-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-03regulator: pfuze100: add .is_enable() for pfuze100_swb_regulator_opsAnson Huang
[ Upstream commit 0b01fd3d40fe6402e5fa3b491ef23109feb1aaa5 ] If is_enabled() is not defined, regulator core will assume this regulator is already enabled, then it can NOT be really enabled after disabled. Based on Li Jun's patch from the NXP kernel tree. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-30regulator: of: Add a missing 'of_node_put()' in an error handling path of ↵Christophe JAILLET
'of_regulator_match()' [ Upstream commit 30966861a7a2051457be8c49466887d78cc47e97 ] If an unlikely failure in 'of_get_regulator_init_data()' occurs, we must release the reference on the current 'child' node before returning. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-30regulator: gpio: Fix some error handling paths in 'gpio_regulator_probe()'Christophe Jaillet
[ Upstream commit ed8cffda27dea6fd3dafb3ee881c5a786edac9ca ] Re-order error handling code and gotos to avoid leaks in error handling paths. Fixes: 9f946099fe19 ("regulator: gpio: fix parsing of gpio list") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-15regulator: stm32-vrefbuf: fix check on ready flagFabrice Gasnier
commit f63248fac563125fd5a2f0bc780ce7a299872cab upstream. stm32_vrefbuf_enable() wrongly checks VRR bit: 0 stands for not ready, 1 for ready. It currently checks the opposite. This makes enable routine to exit immediately without waiting for ready flag. Fixes: 0cdbf481e927 ("regulator: Add support for stm32-vrefbuf") Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02Merge tag 'spdx_identifiers-4.14-rc8' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull initial SPDX identifiers from Greg KH: "License cleanup: add SPDX license identifiers to some files Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'spdx_identifiers-4.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: License cleanup: add SPDX license identifier to uapi header files with a license License cleanup: add SPDX license identifier to uapi header files with no license License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-23Merge remote-tracking branches 'regulator/fix/axp20x' and ↵Mark Brown
'regulator/fix/rn5t618' into regulator-linus
2017-10-18regulator: rn5t618: Do not index regulator_desc arrays by idLeonard Crestez
The regulator_desc arrays in this driver are indexed by RN5T618_* constants and some elements can be missing. This causes probe failures on older models: rn5t618-regulator rn5t618-regulator: failed to register (null) regulator rn5t618-regulator: probe of rn5t618-regulator failed with error -22 Fix this by making the arrays flat. This also saves a little memory because the regulator_desc arrays become smaller. Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> Fixes: 83b2a3c2ab24 ("regulator: rn5t618: add RC5T619 PMIC support") Signed-off-by: Mark Brown <broonie@kernel.org>
2017-10-04regulator: axp20x: Fix poly-phase bit offset for AXP803 DCDC5/6Chen-Yu Tsai
The bit offset used to check if DCDC5 and DCDC6 are tied together in poly-phase output is wrong. It was checking against a reserved bit, which is always false. In reality, neither the reference design layout nor actually produced boards tie these two buck regulators together. But we should still fix it, just in case. Fixes: 1dbe0ccb0631 ("regulator: axp20x-regulator: add support for AXP803") Signed-off-by: Chen-Yu Tsai <wens@csie.org> Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-09-07Merge tag 'mfd-next-4.14' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "New Drivers - RK805 Power Management IC (PMIC) - ROHM BD9571MWV-M MFD Power Management IC (PMIC) - Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs New Device Support: - Add support for HiSilicon Hi6421v530 to hi6421-pmic-core - Add support for X-Powers AXP806 to axp20x - Add support for X-Powers AXP813 to axp20x - Add support for Intel Sunrise Point LPSS to intel-lpss-pci New Functionality: - Amend API to provide register layout; atmel-smc Fix-ups: - DT re-work; omap, nokia - Header file location change {I2C => MFD}; dm355evm_msp, tps65010 - Fix chip ID formatting issue(s); rk808 - Optionally register touchscreen devices; da9052-core - Documentation improvements; twl-core - Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi - Drop unnecessary static declaration; max8925-i2c - Kconfig changes (missing deps and remove module support) - Slim down oversized licence statement; hi6421-pmic-core - Use managed resources (devm_*); lp87565 - Supply proper error checking/handling; t7l66xb Bug Fixes: - Fix counter duplication issue; da9052-core - Fix potential NULL deference issue; max8998 - Leave SPI-NOR write-protection bit alone; lpc_ich - Ensure device is put into reset during suspend; intel-lpss - Correct register offset variable size; omap-usb-tll" * tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (61 commits) mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT dt-bindings: mfd: Add bindings for ZII RAVE devices mfd: omap-usb-tll: Fix register offsets mfd: da9052: Constify spi_device_id mfd: intel-lpss: Put I2C and SPI controllers into reset state on suspend mfd: da9055: Constify i2c_device_id mfd: intel-lpss: Add missing PCI ID for Intel Sunrise Point LPSS devices mfd: t7l66xb: Handle return value of clk_prepare_enable mfd: Add ROHM BD9571MWV-M PMIC DT bindings mfd: intel_soc_pmic_chtwc: Turn Kconfig option into a bool mfd: lp87565: Convert to use devm_mfd_add_devices() mfd: Add support for TPS68470 device mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell mfd: syscon: atmel-smc: Add helper to retrieve register layout mfd: axp20x: Use correct platform device ID for many PEK dt-bindings: mfd: axp20x: Introduce bindings for AXP813 mfd: axp20x: Add support for AXP813 PMIC dt-bindings: mfd: axp20x: Add AXP806 to supported list of chips mfd: Add ROHM BD9571MWV-M MFD PMIC driver ...
2017-09-05Merge tag 'pm-4.14-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management updates from Rafael Wysocki: "This time (again) cpufreq gets the majority of changes which mostly are driver updates (including a major consolidation of intel_pstate), some schedutil governor modifications and core cleanups. There also are some changes in the system suspend area, mostly related to diagnostics and debug messages plus some renames of things related to suspend-to-idle. One major change here is that suspend-to-idle is now going to be preferred over S3 on systems where the ACPI tables indicate to do so and provide requsite support (the Low Power Idle S0 _DSM in particular). The system sleep documentation and the tools related to it are updated too. The rest is a few cpuidle changes (nothing major), devfreq updates, generic power domains (genpd) framework updates and a few assorted modifications elsewhere. Specifics: - Drop the P-state selection algorithm based on a PID controller from intel_pstate and make it use the same P-state selection method (based on the CPU load) for all types of systems in the active mode (Rafael Wysocki, Srinivas Pandruvada). - Rework the cpufreq core and governors to make it possible to take cross-CPU utilization updates into account and modify the schedutil governor to actually do so (Viresh Kumar). - Clean up the handling of transition latency information in the cpufreq core and untangle it from the information on which drivers cannot do dynamic frequency switching (Viresh Kumar). - Add support for new SoCs (MT2701/MT7623 and MT7622) to the mediatek cpufreq driver and update its DT bindings (Sean Wang). - Modify the cpufreq dt-platdev driver to autimatically create cpufreq devices for the new (v2) Operating Performance Points (OPP) DT bindings and update its whitelist of supported systems (Viresh Kumar, Shubhrajyoti Datta, Marc Gonzalez, Khiem Nguyen, Finley Xiao). - Add support for Ux500 to the cpufreq-dt driver and drop the obsolete dbx500 cpufreq driver (Linus Walleij, Arnd Bergmann). - Add new SoC (R8A7795) support to the cpufreq rcar driver (Khiem Nguyen). - Fix and clean up assorted issues in the cpufreq drivers and core (Arvind Yadav, Christophe Jaillet, Colin Ian King, Gustavo Silva, Julia Lawall, Leonard Crestez, Rob Herring, Sudeep Holla). - Update the IO-wait boost handling in the schedutil governor to make it less aggressive (Joel Fernandes). - Rework system suspend diagnostics to make it print fewer messages to the kernel log by default, add a sysfs knob to allow more suspend-related messages to be printed and add Low Power S0 Idle constraints checks to the ACPI suspend-to-idle code (Rafael Wysocki, Srinivas Pandruvada). - Prefer suspend-to-idle over S3 on ACPI-based systems with the ACPI_FADT_LOW_POWER_S0 flag set and the Low Power Idle S0 _DSM interface present in the ACPI tables (Rafael Wysocki). - Update documentation related to system sleep and rename a number of items in the code to make it cleare that they are related to suspend-to-idle (Rafael Wysocki). - Export a variable allowing device drivers to check the target system sleep state from the core system suspend code (Florian Fainelli). - Clean up the cpuidle subsystem to handle the polling state on x86 in a more straightforward way and to use %pOF instead of full_name (Rafael Wysocki, Rob Herring). - Update the devfreq framework to fix and clean up a few minor issues (Chanwoo Choi, Rob Herring). - Extend diagnostics in the generic power domains (genpd) framework and clean it up slightly (Thara Gopinath, Rob Herring). - Fix and clean up a couple of issues in the operating performance points (OPP) framework (Viresh Kumar, Waldemar Rymarkiewicz). - Add support for RV1108 to the rockchip-io Adaptive Voltage Scaling (AVS) driver (David Wu). - Fix the usage of notifiers in CPU power management on some platforms (Alex Shi). - Update the pm-graph system suspend/hibernation and boot profiling utility (Todd Brandt). - Make it possible to run the cpupower utility without CPU0 (Prarit Bhargava)" * tag 'pm-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (87 commits) cpuidle: Make drivers initialize polling state cpuidle: Move polling state initialization code to separate file cpuidle: Eliminate the CPUIDLE_DRIVER_STATE_START symbol cpufreq: imx6q: Fix imx6sx low frequency support cpufreq: speedstep-lib: make several arrays static, makes code smaller PM: docs: Delete the obsolete states.txt document PM: docs: Describe high-level PM strategies and sleep states PM / devfreq: Fix memory leak when fail to register device PM / devfreq: Add dependency on PM_OPP PM / devfreq: Move private devfreq_update_stats() into devfreq PM / devfreq: Convert to using %pOF instead of full_name PM / AVS: rockchip-io: add io selectors and supplies for RV1108 cpufreq: ti: Fix 'of_node_put' being called twice in error handling path cpufreq: dt-platdev: Drop few entries from whitelist cpufreq: dt-platdev: Automatically create cpufreq device with OPP v2 ARM: ux500: don't select CPUFREQ_DT cpuidle: Convert to using %pOF instead of full_name cpufreq: Convert to using %pOF instead of full_name PM / Domains: Convert to using %pOF instead of full_name cpufreq: Cap the default transition delay value to 10 ms ...
2017-09-05Merge branches 'ib-mfd-arm-i2c-4.14', 'ib-mfd-arm-usb-video-4.14', ↵Lee Jones
'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged
2017-09-04Merge remote-tracking branches 'regulator/topic/rc5t619' and ↵Mark Brown
'regulator/topic/stm32-vref' into regulator-next
2017-09-04Merge remote-tracking branches 'regulator/topic/mt6380', ↵Mark Brown
'regulator/topic/mtk', 'regulator/topic/pv88090', 'regulator/topic/pwm' and 'regulator/topic/qcom' into regulator-next
2017-09-04Merge remote-tracking branches 'regulator/topic/cpcap', ↵Mark Brown
'regulator/topic/da9063', 'regulator/topic/dt', 'regulator/topic/fan53555' and 'regulator/topic/ltc3589' into regulator-next
2017-09-04Merge remote-tracking branches 'regulator/fix/axp20x', 'regulator/fix/cpcap' ↵Mark Brown
and 'regulator/fix/of' into regulator-linus
2017-09-04mfd: twl: Move header file out of I2C realmWolfram Sang
include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Acked-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-08-30regulator: Add support for stm32-vrefbufFabrice Gasnier
Add regulator driver for STM32 voltage reference buffer which can be used as voltage reference for ADCs, DACs and external components through dedicated VREF+ pin. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-30regulator: pv88090: Exception handling for out of boundsEric Jeong
This is a patch for exception handlding that the index of array is out of bounds. And the definitions have been updated to use proper device name. Signed-off-by: Eric Jeong <eric.jeong.opensource@diasemi.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-30regulator: da9063: Return an error code on probe failureDan Carpenter
If "regl_pdata->n_regulators == 0" is true then we accidentally return PTR_ERR(<some_valid_pointer>) instead of an error code. I've changed it to return -ENODEV instead. Fixes: 69ca3e58d178 ("regulator: da9063: Add Dialog DA9063 voltage regulators support.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-27regulator: rn5t618: add RC5T619 PMIC supportPierre-Hugues Husson
Extend the driver to support Ricoh RC5T619. Support the additional regulators and slightly different voltage ranges. Signed-off-by: Pierre-Hugues Husson <phh@phh.me> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-21regulator: ltc3589: constify i2c_device_idArvind Yadav
i2c_device_id are not supposed to change at runtime. All functions working with i2c_device_id provided by <linux/i2c.h> work with const i2c_device_id. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-21regulator: fan53555: fix I2C device idsGuillaume Tucker
The device tree nodes all correctly describe the regulators as syr827 or syr828, but the I2C device id is currently set to the wildcard value of syr82x in the driver. This causes udev to fail to match the driver module with the modalias data from sysfs. Fix this by replacing the I2C device ids with ones that match the device tree descriptions, with syr827 and syr828. Tested on Firefly rk3288 board. The syr82x id was not used anywhere. Fixes: e80c47bd738b (regulator: fan53555: Export I2C module alias information) Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-21regulator: rk808: Add regulator driver for RK805Elaine Zhang
Add support for the rk805 regulator. The regulator module consists of 4 DCDCs, 3 LDOs. The output voltages are configurable and are meant to supply power to the main processor and other components. Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> Signed-off-by: Joseph Chen <chenjh@rock-chips.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-08-15regulator: mt6380: Add support for MT6380Chenglin Xu
The MT6380 is a regulator found those boards with MediaTek MT7622 SoC It is connected as a slave to the SoC using MediaTek PMIC wrapper which is the common interface connecting with Mediatek made various PMICs. Signed-off-by: Chenglin Xu <chenglin.xu@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-11PM / s2idle: Rename PM_SUSPEND_FREEZE to PM_SUSPEND_TO_IDLERafael J. Wysocki
To make it clear that the symbol in question refers to suspend-to-idle, rename it from PM_SUSPEND_FREEZE to PM_SUSPEND_TO_IDLE. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-07-24regulator: pwm-regulator: Remove unneeded gpiod NULL checkFabio Estevam
The gpiod API checks for NULL descriptors, so there is no need to duplicate the check in the driver. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org>