According to commit 890cc39a8799 ("drivers: provide
devm_platform_get_and_ioremap_resource()"), convert
platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230315055023.61779-1-yang.lee@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According to commit 890cc39a8799 ("drivers: provide
devm_platform_get_and_ioremap_resource()"), convert
platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20230315054113.48898-1-yang.lee@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According to commit 890cc39a8799 ("drivers: provide
devm_platform_get_and_ioremap_resource()"), convert
platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230315053434.38316-1-yang.lee@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According to commit 890cc39a8799 ("drivers: provide
devm_platform_get_and_ioremap_resource()"), convert
platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230315053127.33855-1-yang.lee@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According to commit 890cc39a8799 ("drivers: provide
devm_platform_get_and_ioremap_resource()"), convert
platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230315052231.21212-1-yang.lee@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The sdhci_get_compatibility() uses OF functions which have stubs for !OF
case, thus entire CONFIG_OF ifdef can be dropped. This also fixes
!CONFIG_OF W=1 warning:
drivers/mmc/host/sdhci-pltfm.c:76:6: error: no previous prototype for ‘sdhci_get_compatibility’ [-Werror=missing-prototypes]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230314203901.20803-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use new helpers mmc_regulator_enable/disable_vqmmc to simplify
the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/2ceb62da-07e6-bafc-c29e-13cc1cdde93a@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
After 087592395a96 ("mmc: core: Allow invalid regulator in
mmc_regulator_set_ocr()") we can remove the checks here.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/858a592b-ebf4-99b4-74fc-21b4ad3382f8@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties.
Convert reading boolean properties to to of_property_read_bool().
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230310144715.1543836-1-robh@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties. As
part of this, convert of_get_property/of_find_property calls to the
recently added of_property_present() helper when we just want to test
for presence of a property and nothing more.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230310144714.1543767-1-robh@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Currently .get_max_clock returns the current clock rate for cclk_emmc
on rk35xx, thus max clock gets set to whatever bootloader set it to.
In case of u-boot, it is intentionally reset to 50 MHz if it boots
from eMMC, see mmc_deinit() in u-boot sources. As a result, HS200 and
HS400 modes are never selected by Linux, because dwcmshc_rk35xx_postinit
clears appropriate caps if host->mmc->f_max is < 52MHz
cclk_emmc is not a fixed clock on rk35xx, so using
sdhci_pltfm_clk_get_max_clock is not appropriate here.
Implement rk35xx_get_max_clock that returns actual max clock for cclk_emmc.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230310010349.509132-1-anarsoul@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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.
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20230307163041.3815-9-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support to read the optional "gate" clock property and request the
clock which will be used to ungate the DLL clock.
For Xilinx platforms which has DLL module, dll clock must be
ungated/enabled when SD controller operates at higher frequencies like 50
MHz, 100 MHz and 200 MHz. This will be done by explicitly requesting gate
clock from the driver.
Signed-off-by: Swati Agarwal <swati.agarwal@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230223141402.23979-1-swati.agarwal@amd.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Fix a bug by making sure prev_err doesn't get used when being
uninitialized.
Signed-off-by: William Qiu <william.qiu@starfivetech.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Fixes: 9e622229bbf4 ("mmc: starfive: Add sdio/emmc driver support")
Link: https://lore.kernel.org/r/20230307024646.10216-3-william.qiu@starfivetech.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Lower the power-on failed message severity from warn to info when the
controller does not power-up. It's normal to have this situation when
the SD card slot is empty, therefore we should not warn the user about
it.
Fixes: 7ca0f166f5b2 ("mmc: sdhci_am654: Add workaround for card detect debounce timer")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230306162751.163369-1-francesco@dolcini.it
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv
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Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv"
* tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
power: supply: Introduce Qualcomm PMIC GLINK power supply
soc: apple: rtkit: Do not copy the reg state structure to the stack
soc: sunxi: SUN20I_PPU should depend on PM
memory: renesas-rpc-if: Remove redundant division of dummy
soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
MAINTAINERS: Update qcom CPR maintainer entry
dt-bindings: firmware: document Qualcomm SM8550 SCM
dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
soc: qcom: socinfo: Add support for new field in revision 17
soc: qcom: smd-rpm: Add IPQ9574 compatible
soc: qcom: pmic_glink: remove redundant calculation of svid
soc: qcom: stats: Populate all subsystem debugfs files
dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
soc: qcom: pmic_glink: Introduce altmode support
...
- Extend slot-gpio to be used for host specific card detect interrupts
- Align to common busy polling behaviour for mmc ioctls
- Suggest the BFQ I/O scheduler to be built along with MMC/SD support
- Add devm_mmc_alloc_host() to enable further cleanups in host drivers
MMC host:
- atmel-mci: Fix race condition when stopping/starting a command
- dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
- dw_mmc-rockchip: Add support for the RK3588 variant
- jz4740: Add support for the vqmmc power supply
- meson-gx: Convert the DT bindings to the dt-schema
- meson-gx: Enable the platform interrupt to be used for card detect
- moxart: Set the supported maximum request/block/segment sizes
- renesas,sdhi: Add support for the RZ/V2M variants
- sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
- sdhci-esdhc-imx: Improve tuning logic support
- sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
- sdhci-of-dwcmshc: Add the missing device table IDs for acpi
- sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
- sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
- sdhci-pxav2: Add support for the PXA168 V1 variant
- sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
- uniphier-sd: Add support for SD UHS-I speed modes
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Merge tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Extend slot-gpio to be used for host specific card detect interrupts
- Align to common busy polling behaviour for mmc ioctls
- Suggest the BFQ I/O scheduler to be built along with MMC/SD support
- Add devm_mmc_alloc_host() to enable further cleanups in host drivers
MMC host:
- atmel-mci: Fix race condition when stopping/starting a command
- dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
- dw_mmc-rockchip: Add support for the RK3588 variant
- jz4740: Add support for the vqmmc power supply
- meson-gx: Convert the DT bindings to the dt-schema
- meson-gx: Enable the platform interrupt to be used for card detect
- moxart: Set the supported maximum request/block/segment sizes
- renesas,sdhi: Add support for the RZ/V2M variants
- sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
- sdhci-esdhc-imx: Improve tuning logic support
- sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
- sdhci-of-dwcmshc: Add the missing device table IDs for acpi
- sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
- sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
- sdhci-pxav2: Add support for the PXA168 V1 variant
- sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
- uniphier-sd: Add support for SD UHS-I speed modes"
* tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (59 commits)
mmc: meson-gx: Use devm_platform_get_and_ioremap_resource()
mmc: meson-gx: constify member data of struct meson_host
mmc: meson-gx: use devm_clk_get_enabled() for core clock
mmc: core: fix return value check in devm_mmc_alloc_host()
dt-bindings: mmc: meson-gx: fix interrupt binding
mmc: meson-gx: support platform interrupt as card detect interrupt
dt-bindings: mmc: meson-gx: support specifying cd interrupt
mmc: core: support setting card detect interrupt from drivers
mmc: starfive: Add sdio/emmc driver support
dt-bindings: mmc: Add StarFive MMC module
dt-bindings: mmc: sdhci-msm: Allow 1 icc path
dt-bindings: mmc: rockchip-dw-mshc: Add RK3588 compatible string
mmc: core: Align to common busy polling behaviour for mmc ioctls
dt-bindings: mmc: Add resets property to cadence SDHCI binding
mmc: meson-gx: remove meson_mmc_get_cd
mmc: moxart: set maximum request/block/segment sizes
mmc: sdhci-brcmstb: Use devm_platform_get_and_ioremap_resource()
mmc: sdhci-of-dwcmshc: add the missing device table IDs for acpi
mmc: sdhci-of-dwcmshc: Update DLL and pre-change delay for rockchip platform
mmc: jz4740: Add support for vqmmc power supply
...
This is a follow-up to the deprecation of most of the old-style board
files that was merged in linux-6.0, removing them for good.
This branch is almost exclusively dead code removal based on those
annotations. Some device driver removals went through separate subsystem
trees, but the majority is in the same branch, in order to better handle
dependencies between the patches and avoid breaking bisection.
Unfortunately that leads to merge conflicts against other changes in the
subsystem trees, but they should all be trivial to resolve by removing
the files.
See commit 7d0d3fa7339e ("Merge tag 'arm-boardfiles-6.0' of
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") for the
description of which machines were marked unused and are now removed. The
only removals that got postponed are Terastation WXL (mv78xx0) and
Jornada720 (StrongARM1100), which turned out to still have potential
users.
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Merge tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC boardfile updates from Arnd Bergmann
"Unused boardfile removal for 6.3
This is a follow-up to the deprecation of most of the old-style board
files that was merged in linux-6.0, removing them for good.
This branch is almost exclusively dead code removal based on those
annotations. Some device driver removals went through separate
subsystem trees, but the majority is in the same branch, in order to
better handle dependencies between the patches and avoid breaking
bisection.
Unfortunately that leads to merge conflicts against other changes in
the subsystem trees, but they should all be trivial to resolve by
removing the files.
See commit 7d0d3fa7339e ("Merge tag 'arm-boardfiles-6.0' of
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") for the
description of which machines were marked unused and are now removed.
The only removals that got postponed are Terastation WXL (mv78xx0) and
Jornada720 (StrongARM1100), which turned out to still have potential
users"
* tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (91 commits)
mmc: omap: drop TPS65010 dependency
ARM: pxa: restore mfp-pxa320.h
usb: ohci-omap: avoid unused-variable warning
ARM: debug: remove references in DEBUG_UART_8250_SHIFT to removed configs
ARM: s3c: remove obsolete s3c-cpu-freq header
MAINTAINERS: adjust SAMSUNG SOC CLOCK DRIVERS after s3c24xx support removal
MAINTAINERS: update file entries after arm multi-platform rework and mach-pxa removal
ARM: remove CONFIG_UNUSED_BOARD_FILES
mfd: remove htc-pasic3 driver
w1: remove ds1wm driver
usb: remove ohci-tmio driver
fbdev: remove w100fb driver
fbdev: remove tmiofb driver
mmc: remove tmio_mmc driver
mfd: remove ucb1400 support
mfd: remove toshiba tmio drivers
rtc: remove v3020 driver
power: remove pda_power supply driver
ASoC: pxa: remove unused board support
pcmcia: remove unused pxa/sa1100 drivers
...
Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230217083005.128668-1-yang.lee@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Constify member data of struct meson_host. This also allows to remove
the cast as of_device_get_match_data() returns a const void *.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/70e5520f-e327-111d-9ea4-824460e41561@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
MMC core only checks whether return value of .get_cd() equals zero.
Therefore -ENOSYS and 1 are effectively the same and the function
can be removed.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/16502040-3beb-a3cc-b28d-28184fba0f10@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Per datasheet: maximum block length is 2048 bytes,
data length field is in bits 0-23 of the Data Length Register.
Also for DMA mode we have to take into account rx/tx buffers' sizes.
In my tests this change doubles SD card I/O performance on big files.
Before the change Linux used default request size of 4 KB.
Signed-off-by: Sergei Antonov <saproj@gmail.com>
Link: https://lore.kernel.org/r/20230210143843.369943-1-saproj@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202302101628321403257@zte.com.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
For Rockchip platform, DLL bypass bit and start bit need to be set if
DLL is not locked. And adjust pre-change delay to 0x3 for better signal
test result.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://lore.kernel.org/r/1675298118-64243-2-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Support enabling / disabling the vqmmc power supply if it was provided
by the firmware.
Provide the .start_signal_voltage_switch callback to change the voltage
of the external vqmmc power supply.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20230131210229.68129-2-paul@crapouillou.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.2-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.3.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
On JZ4760 and JZ4760B, SD cards fail to run if the maximum clock
rate is set to 50 MHz, even though the controller officially does
support it.
Until the actual bug is found and fixed, limit the maximum clock rate to
24 MHz.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230131210229.68129-1-paul@crapouillou.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
If mmc_add_host() fails, it doesn't need to call mmc_remove_host(),
or it will cause null-ptr-deref, because of deleting a not added
device in mmc_remove_host().
To fix this, goto label 'fail_glue_init', if mmc_add_host() fails,
and change the label 'fail_add_host' to 'fail_gpiod_request'.
Fixes: 15a0580ced08 ("mmc_spi host driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Cc:stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230131013835.3564011-1-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Some SDIO WiFi modules stopped working after SDIO interrupt mode
was added if cap_sdio_irq isn't set in device tree. This patch was
confirmed to fix the issue.
Fixes: 066ecde6d826 ("mmc: meson-gx: add SDIO interrupt support")
Reported-by: Geraldo Nascimento <geraldogabriel@gmail.com>
Tested-by: Geraldo Nascimento <geraldogabriel@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/816cba9f-ff92-31a2-60f0-aca542d1d13e@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The original TPS65010 dependency was only needed for MACH_OMAP_H2,
which is now gone, but I messed up the conversion when I removed that
symbol.
Now the missing TPS65010 causes a boot failure on other machines
such as the SX1.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 0d7bb85e9413 ("ARM: omap1: remove unused board files")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Move include/linux/qcom_scm.h to include/linux/firmware/qcom/qcom_scm.h.
This removes 1 of a few remaining Qualcomm-specific headers into a more
approciate subdirectory under include/.
Suggested-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230203210956.3580811-1-quic_eberman@quicinc.com
With the TMIO MFD support gone, the corresponding MMC host driver can
be removed as well. The remaining tmio_mmc_core module however is still
used by both the Renesas and Socionext host drivers.
Cc: Ian Molton <spyro@f2s.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
SD interface logic has the register to switch UHS speed.
The default is up to SDR25 and to support SDR50 or faster,
add uniphier_sd_speed_switch() function to switch the speed mode.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20230125010201.28246-4-hayashi.kunihiko@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Transition of UHS mode needs to control the register in SD interface
logic. Add access to the register in the logic using the regmap from
"socionext,syscon-uhs-mode" property.
Define the start_signal_voltage_switch function only if UHS mode is
available.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20230125010201.28246-3-hayashi.kunihiko@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit fixes a race between completion of stop command and start of a
new command.
Previously the command ready interrupt was enabled before stop command
was written to the command register. This caused the command ready
interrupt to fire immediately since the CMDRDY flag is asserted constantly
while there is no command in progress.
Consequently the command state machine will immediately advance to the
next state when the tasklet function is executed again, no matter
actual completion state of the stop command.
Thus a new command can then be dispatched immediately, interrupting and
corrupting the stop command on the CMD line.
Fix that by dropping the command ready interrupt enable before calling
atmci_send_stop_cmd. atmci_send_stop_cmd does already enable the
command ready interrupt, no further writes to ATMCI_IER are necessary.
Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20221230194315.809903-2-t.schramm@manjaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The PXA168 errata recommends that the CMD signal should be detached from
the SD bus while performing the dummy CMD0 to restart the clock.
Implement this using pinctrl states.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230116194401.20372-8-doug@schmorgal.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The PXA168 has a documented silicon bug that causes SDIO card IRQs to be
missed. Implement the first half of the suggested workaround, which
involves resetting the data port logic and issuing a dummy CMD0 to
restart the clock.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230116194401.20372-7-doug@schmorgal.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add ability to have an optional core clock just like the pxav3 driver.
The PXA168 needs this because its SDHC controllers have separate core
and io clocks that both need to be enabled. This also correctly matches
the documented devicetree bindings for this driver.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Doug Brown <doug@schmorgal.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230116194401.20372-6-doug@schmorgal.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The devicetree bindings for this driver specify that the two allowed
clock names are io and core. Change this driver to look for io, but
allow any name if it fails for backwards compatibility. Follow the same
pattern used in sdhci-pxav3, but add support for EPROBE_DEFER.
Get rid of an unnecessary pdev->dev while we're at it.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230116194401.20372-5-doug@schmorgal.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The PXA168 has a documented silicon bug that results in a data abort
exception when accessing the SDHCI_HOST_VERSION register on SDH2 and
SDH4 through a 16-bit read. Implement the workaround described in the
errata, which performs a 32-bit read from a lower address instead. This
is safe to use on all four SDH peripherals.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230116194401.20372-4-doug@schmorgal.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Enable CONFIG_MMC_SDHCI_IO_ACCESSORS for the pxav2 driver. The read_w
callback is needed for a silicon bug workaround in the PXA168.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230116194401.20372-3-doug@schmorgal.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add a new compatible string for the version 1 controller used in the
PXA168, along with necessary quirks. Use a separate ops struct in
preparation for a silicon bug workaround only necessary on V1.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230116194401.20372-2-doug@schmorgal.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit enables SDHCI Host V4 support on Bluefield-3 SoC to be
consistent with the default setting in firmware(UEFI).
Reviewed-by: David Woods <davwoods@nvidia.com>
Signed-off-by: Liming Sun <limings@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/990885f566c32ac8e6888ad6b434fb70d1a5d7af.1673460632.git.limings@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Now that it is no longer used, remove SDHCI_QUIRK_MISSING_CAPS.
Note, from now on, __sdhci_read_caps() should be used to provide missing
capability flags.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230113110011.129835-7-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
