Core changes:
- Open code PINCTRL_FUNCTION_DESC() instead of defining
a complex macro only used in one place.
- Add pinmux_generic_add_pinfunction() helper and
use this in a few drivers.
New drivers:
- Amlogic S7, S7D and S6 pin control support.
- Eswin EIC7700 pin control support.
- Qualcomm PMIV0104, PM7550 and Milos pin control
support.
Because of unhelpful numbering schemes, the Qualcomm
driver now needs to start to rely on SoC codenames.
- STM32 HDP pin control support.
- Mediatek MT8189 pin control support.
Improvements:
- Switch remaining pin control drivers over to the
new GPIO set callback that provides a return value.
- Support RSVD (reserved) pins in the STM32 driver.
- Move many fixed assignments over to pinctrl_desc
definitions.
- Handle multiple TLMM regions in the Qualcomm driver.
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Merge tag 'pinctrl-v6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Nothing stands out, apart from maybe the interesting Eswin EIC7700, a
RISC-V SoC I've never seen before.
Core changes:
- Open code PINCTRL_FUNCTION_DESC() instead of defining a complex
macro only used in one place
- Add pinmux_generic_add_pinfunction() helper and use this in a few
drivers
New drivers:
- Amlogic S7, S7D and S6 pin control support
- Eswin EIC7700 pin control support
- Qualcomm PMIV0104, PM7550 and Milos pin control support
Because of unhelpful numbering schemes, the Qualcomm driver now
needs to start to rely on SoC codenames
- STM32 HDP pin control support
- Mediatek MT8189 pin control support
Improvements:
- Switch remaining pin control drivers over to the new GPIO set
callback that provides a return value
- Support RSVD (reserved) pins in the STM32 driver
- Move many fixed assignments over to pinctrl_desc definitions
- Handle multiple TLMM regions in the Qualcomm driver"
* tag 'pinctrl-v6.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (105 commits)
pinctrl: mediatek: Add pinctrl driver for mt8189
dt-bindings: pinctrl: mediatek: Add support for mt8189
pinctrl: aspeed-g6: Add PCIe RC PERST pin group
pinctrl: ingenic: use pinmux_generic_add_pinfunction()
pinctrl: keembay: use pinmux_generic_add_pinfunction()
pinctrl: mediatek: moore: use pinmux_generic_add_pinfunction()
pinctrl: airoha: use pinmux_generic_add_pinfunction()
pinctrl: equilibrium: use pinmux_generic_add_pinfunction()
pinctrl: provide pinmux_generic_add_pinfunction()
pinctrl: pinmux: open-code PINCTRL_FUNCTION_DESC()
pinctrl: ma35: use new GPIO line value setter callbacks
MAINTAINERS: add Clément Le Goffic as STM32 HDP maintainer
pinctrl: stm32: Introduce HDP driver
dt-bindings: pinctrl: stm32: Introduce HDP
pinctrl: qcom: Add Milos pinctrl driver
dt-bindings: pinctrl: document the Milos Top Level Mode Multiplexer
pinctrl: qcom: spmi: Add PM7550
dt-bindings: pinctrl: qcom,pmic-gpio: Add PM7550 support
pinctrl: qcom: spmi: Add PMIV0104
dt-bindings: pinctrl: qcom,pmic-gpio: Add PMIV0104 support
...
gs101 differs to other currently supported SoCs in that it has 3 wakeup
mask registers for the 67 external wakeup interrupt pins in alive and
far_alive.
EINT_WAKEUP_MASK 0x3A80 EINT[31:0]
EINT_WAKEUP_MASK2 0x3A84 EINT[63:32]
EINT_WAKEUP_MASK3 0x3A88 EINT[66:64]
Add gs101 specific callbacks and a dedicated gs101_wkup_irq_chip struct to
handle these differences.
The current wakeup mask with upstream is programmed as
WAKEUP_MASK0[0x3A80] value[0xFFFFFFFF]
WAKEUP_MASK1[0x3A84] value[0xF2FFEFFF]
WAKEUP_MASK2[0x3A88] value[0xFFFFFFFF]
Which corresponds to the following wakeup sources:
gpa7-3 vol down
gpa8-1 vol up
gpa10-1 power
gpa8-2 typec-int
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250619-gs101-eint-mask-v1-2-89438cfd7499@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Add support for Exynos7870 in the existing MIPI CSIS/DSIM driver. The
SoC has one DSIM phy and three CSIS phys.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250612-exynos7870-mipi-phy-v1-2-3fff0b62d9d3@disroot.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The Exynos990 usbdrd PHY is a combo PHY which supports USB SS, HS and
DisplayPort outputs. This commit adds support only for UTMI+ (USB HS).
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250515-usb-resends-may-15-v3-2-ad33a85b6cee@mentallysanemainliners.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
- New Support
- Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver
- Rockchip usb2 support for RK3562, RK3036 usb2 phy support
- Samsung exynos2200 eusb2 phy support and driver refactoring for this
support, exynos7870 USBDRD support
- Mediatek MT7988 xs-phy support
- Broadcom BCM74110 usb phy support
- Renesas RZ/V2H(P) usb2 phy support
- Updates
- Freescale phy rate claculation updates, i.MX95 tuning support
- Better error handling for amlogic pcie phy
- Rockchip color depth configuration and management support
- Yaml binding conversion for RK3399 Type-C and PCIe Phy
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Merge tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"As usual featuring couple of new driver and bunch of new device
support and some driver changes to Freescale, rockchip driver along
with couple of yaml binding conversions.
New Support:
- Qualcomm IPQ5424 qusb2 support, IPQ5018 uniphy-pcie driver
- Rockchip usb2 support for RK3562, RK3036 usb2 phy support
- Samsung exynos2200 eusb2 phy support and driver refactoring for
this support, exynos7870 USBDRD support
- Mediatek MT7988 xs-phy support
- Broadcom BCM74110 usb phy support
- Renesas RZ/V2H(P) usb2 phy support
Updates:
- Freescale phy rate claculation updates, i.MX95 tuning support
- Better error handling for amlogic pcie phy
- Rockchip color depth configuration and management support
- Yaml binding conversion for RK3399 Type-C and PCIe Phy"
* tag 'phy-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (77 commits)
phy: tegra: p2u: Broaden architecture dependency
phy: rockchip: inno-usb2: Add usb2 phy support for rk3562
dt-bindings: phy: rockchip,inno-usb2phy: add rk3562
phy: rockchip: inno-usb2: add phy definition for rk3036
dt-bindings: phy: rockchip,inno-usb2phy: add rk3036 compatible
phy: freescale: fsl-samsung-hdmi: Improve LUT search for best clock
phy: freescale: fsl-samsung-hdmi: Refactor finding PHY settings
phy: freescale: fsl-samsung-hdmi: Rename phy_clk_round_rate
phy: renesas: phy-rcar-gen3-usb2: Add USB2.0 PHY support for RZ/V2H(P)
phy: renesas: phy-rcar-gen3-usb2: Sort compatible entries by SoC part number
dt-bindings: phy: renesas,usb2-phy: Document RZ/V2H(P) SoC
dt-bindings: phy: renesas,usb2-phy: Add clock constraint for RZ/G2L family
phy: exynos5-usbdrd: support Exynos USBDRD 3.2 4nm controller
phy: phy-snps-eusb2: add support for exynos2200
phy: phy-snps-eusb2: refactor reference clock init
phy: phy-snps-eusb2: make reset control optional
phy: phy-snps-eusb2: make repeater optional
phy: phy-snps-eusb2: split phy init code
phy: phy-snps-eusb2: refactor constructs names
phy: move phy-qcom-snps-eusb2 out of its vendor sub-directory
...
Add support for the Exynos USB 3.2 DRD 4nm controller. It's used in
recent 4nm SoCs like Exynos2200 and Exynos2400.
This device consists of 3 underlying and independent phys: SEC link
control phy, Synopsys eUSB 2.0 and Synopsys USBDP/SS combophy. Unlike
older device designs, where the internal phy blocks were all IP of
Samsung, Synopsys phys are present. This means that the link controller
is now mapped differently to account for missing bits and registers.
The Synopsys phys also have separate register bases.
As there are non-SEC PHYs present now, it doesn't make much sense to
implement them in this driver. They are expected to be configured
by external drivers, so pass phandles to them. USBDRD3.2 link controller
set up is still required beforehand.
This commit adds the necessary changes for USB HS to work. USB SS and
DisplayPort are out of scope in this commit and will be introduced
in the future.
Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Link: https://lore.kernel.org/r/20250504144527.1723980-11-ivo.ivanov.ivanov1@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Some additional register writes are required when hotplugging CPUs
on gs101, without these the system hangs when hotplugging.
Specifically a CPU_INFORM register needs to be programmed with
a hint value which is used by the EL3 firmware (el3mon) and the
pmu-intr-gen registers need to be programmed.
With this patch applied, and corresponding DT update CPU hotplug
now works as expected. e.g.
echo 0 > /sys/devices/system/cpu/cpu6/online
echo 1 > /sys/devices/system/cpu/cpu6/online
Note: to maintain compatibility with older DTs that didn't specify
pmu-intr-gen phandle only a warning is issued if the syscon can't
be obtained.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250506-contrib-pg-cpu-hotplug-suspend2ram-fixes-v1-v4-5-9f64a2657316@linaro.org
[krzk: few blank line and white-space alignment fixes from checkpatch]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Implement support for Exynos7870 USB DRD on top of the existing
exynos5-usbdrd driver.
Exynos7870 has a single USB 2.0 DRD PHY controller and no 3.0 PHYs. Thus,
it only supports the UTMI interface.
Moreover, the PMU register offset for enabling the PHY controller is
different for SoCs such as Exynos7870, where BIT(0) is for the 3.0 PHY and
BIT(1) is for the 2.0 PHY. The phy_isol function for Exynos7870 uses the
appropriate register offsets.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Link: https://lore.kernel.org/r/20250410-exynos7870-usbphy-v2-3-2eb005987455@disroot.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Not all registers in PMU_ALIVE block support atomic set/clear operations.
GS101_SYSIP_DAT0 and GS101_SYSTEM_CONFIGURATION registers are two regs
where attempting atomic access fails.
As documentation on exactly which registers support atomic operations is
not forthcoming. We default to atomic access, unless the register is
explicitly added to the tensor_is_atomic() function. Update the comment
to reflect this as well.
Reviewed-by: Will McVicker <willmcvicker@google.com>
Tested-by: Will McVicker <willmcvicker@google.com>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20240628223506.1237523-4-peter.griffin@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240702063514.6215-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add support for the Exynos USB 3.1 DRD combo phy, as found in Exynos 9
SoCs like Google GS101. It supports USB SS, HS and DisplayPort.
In terms of UTMI+, this is very similar to the existing Exynos850
support in this driver. The difference is that this combo phy supports
both UTMI+ (HS) and PIPE3 (SS). It also supports DP alt mode.
The number of ports for UTMI+ and PIPE3 can be determined using the
LINKPORT register (which also exists on Exynos E850).
For SuperSpeed (SS) a new SS phy is in use and its PIPE3 interface is
new compared to Exynos E850, and also very different from the existing
support for older Exynos SoCs in this driver.
The SS phy needs a bit more configuration work and register tuning for
signal quality to work reliably, presumably due to the higher
frequency, e.g. to account for different board layouts. Additionally,
power needs to be enabled before writing to the SS phy registers.
This commit adds the necessary changes for USB HS and SS to work.
DisplayPort is out of scope in this commit.
Notes:
* For the register tuning, exynos5_usbdrd_apply_phy_tunes() has been
added with the appropriate data structures to support tuning at
various stages during initialisation. Since these are hardware
specific, the platform data is supposed to be populated accordingly.
The implementation is loosely modelled after the Samsung UFS PHY
driver.
There is one tuning state for UTMI+, PTS_UTMI_POSTINIT, to execute
after init and generally intended for HS signal tuning, as done in
this commit.
PTS_PIPE3_PREINIT PTS_PIPE3_INIT PTS_PIPE3_POSTINIT
PTS_PIPE3_POSTLOCK are tuning states for PIPE3. In the downstream
driver, preinit differs by Exynos SoC, and postinit and postlock
are different per board. The latter haven't been implemented for
gs101 here, because downstream doesn't use them on gs101 either.
* Signal lock acquisition for SS depends on the orientation of the
USB-C plug. Since there currently is no infrastructure to chain
connector events to both the USB DWC3 driver and this phy driver, a
work-around has been added in
exynos5_usbdrd_usbdp_g2_v4_pma_check_cdr_lock() to check both
registers if it failed in one of the orientations.
* Equally, we can only establish SS speed in one of the connector
orientations due to programming differences when selecting the lane
mux in exynos5_usbdrd_usbdp_g2_v4_pma_lane_mux_sel(), which really
needs to be dynamic, based on the orientation of the connector.
* As is, we can establish a HS link using any cable, and an SS link in
one orientation of the plug, falling back to HS if the orientation is
reversed to the expectation.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Tested-by: Peter Griffin <peter.griffin@linaro.org>
Tested-by: Will McVicker <willmcvicker@google.com>
Link: https://lore.kernel.org/r/20240617-usb-phy-gs101-v3-6-b66de9ae7424@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Fix up inconsistent usage of upper and lowercase letters in "Samsung"
and "Exynos" names.
"SAMSUNG" and "EXYNOS" are not abbreviations but regular trademarked
names. Therefore they should be written with lowercase letters starting
with capital letter.
The lowercase "Exynos" name is promoted by its manufacturer Samsung
Electronics Co., Ltd., in advertisement materials and on website.
Although advertisement materials usually use uppercase "SAMSUNG", the
lowercase version is used in all legal aspects (e.g. on Wikipedia and in
privacy/legal statements on
https://www.samsung.com/semiconductor/privacy-global/).
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
The pinctrl driver defines an IRQ chip which handles external wakeup
interrupts, therefore from logical point of view, it is the owner of
external interrupt mask. The register controlling the mask belongs to
Power Management Unit address space so it has to be accessed with PMU
syscon regmap handle.
This mask should be written to hardware during system suspend. Till now
ARMv7 machine code was responsible for this which created a dependency
between pin controller driver and arch/arm/mach code.
Try to rework this dependency so the pinctrl driver will write external
wakeup interrupt mask during late suspend.
Impact on ARMv7 designs (S5Pv210 and Exynos)
============================================
This duplicates setting mask with existing machine code
arch/arm/mach-exynos/suspend.c and arch/arm/mach-s5pv210/pm.c but it is
not a problem - the wakeup mask register will be written twice. The
machine code will be cleaned up later.
The difference between implementation here and ARMv7 machine code
(arch/arm/mach-*) is the time of writing the mask:
1. The machine code is writing the mask quite late during system suspend
path, after offlining secondary CPUs and just before doing actual
suspend.
2. The implementation in pinctrl driver uses late suspend ops, therefore it
will write the mask much earlier. Hopefully late enough, after all
drivers will enable or disable their interrupt wakeups
(enable_irq_wake() etc).
Impact on ARMv8 designs (Exynos5433 and Exynos7)
================================================
The Suspend to RAM was not supported and external wakeup interrupt mask
was not written to HW. This change brings us one step closer to
supporting Suspend to RAM.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Sylwester Nawrocki <snawrocki@kernel.org>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
S5Pv210 and Exynos5433/Exynos7 have different address of
EINT_WAKEUP_MASK register. Rename existing S5P_EINT_WAKEUP_MASK to
avoid confusion and add new ones.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Sylwester Nawrocki <snawrocki@kernel.org>
Acked-by: Tomasz Figa <tomasz.figa@gmail.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
There is no need for separate defines for Exynos4 and Exynos5 phy enable
bit and MIPI phy reset bits. In both cases there are the same so
simplify it.
This reduces number of defines and allows removal of one header file.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Exynos4 MIPI phy registers are defined with macro calculating the offset
for given phyN. Use the same method for Exynos5420 to be consistent.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Phy drivers access PMU region through regmap provided by exynos-pmu
driver. However there is no need to duplicate defines for PMU
registers. Instead just use whatever is defined in exynos-regs-pmu.h.
This reduces number of defines.
Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Phy drivers access PMU region through regmap provided by exynos-pmu
driver. However there is no need to duplicate defines for PMU
registers. Instead just use whatever is defined in exynos-regs-pmu.h.
Additionally MIPI PHY registers for Exynos5433 start from the same
address as Exynos4 and Exynos5250 so re-use existing defines.
This reduces number of defines and allows removal of one header file.
Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Add PMU defines related to pad retention control. Will be later used
by the Exynos pin controller driver.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
The register ARM_L2_OPTION (0x2608 in Exynos4 and Exynos5 PMU) was
defined twice. Both names were used in the Exynos542x code. Simplify
this.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
The exynos-regs-pmu.h was never a complete list of PMU registers. It
contained a lot of holes for registers which were not used. However, a
lot of unused defines came along with porting the code from vendor
kernel. Few of defines were also duplicated.
Remove them so the file will be slightly smaller.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Moving Exynos PMU specific header file into "include/linux/soc/samsung"
thus updated affected files under "mach-exynos" to use new location of
these header files.
Signed-off-by: Amit Daniel Kachhap <amitdanielk@gmail.com>
[tested on Peach-Pi (Exynos5880)]
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[for testing on Trats2 (Exynos4412) and Odroid XU3 (Exynos5422)]
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
