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On the SpacemiT K1 platform, the MAC can't read statistics when the PHY
clock stops. Disable Link Down Power Saving Mode for the YT8531C PHY on
OrangePi R2S and RV2 boards to avoid reading statistics timeout logs.
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Reviewed-by: Yixun Lan <dlan@kernel.org>
Link: https://lore.kernel.org/r/20260120100001.1285624-2-amadeus@jmu.edu.cn
Signed-off-by: Yixun Lan <dlan@kernel.org>
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When compiling a driver written for MIPS on OpenRISC that uses the nop()
function, it fails due to the following error:
drivers/watchdog/pic32-wdt.c: Assembler messages:
drivers/watchdog/pic32-wdt.c:125: Error: unrecognized instruction `nop'
The driver currently uses the generic version of nop() from
include/asm-generic/barrier.h:
#ifndef nop
#define nop() asm volatile ("nop")
#endif
Let's fix this on OpenRISC by defining an architecture-specific version
of nop().
This was tested by performing an allmodconfig openrisc cross compile on
an aarch64 host.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601180236.BVy480We-lkp@intel.com/
Signed-off-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/bmc/linux into arm/fixes
Nuvoton NPCM Arm fixes for v6.19
Just the one change from Randy dropping an unused Kconfig symbol.
* tag 'nuvoton-arm-6.19-fixes-0' of https://git.kernel.org/pub/scm/linux/kernel/git/bmc/linux:
arm: npcm: drop unused Kconfig ERRATA symbol
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Change the size of the reg register to 0x1000 to match the hardware.
This register range covers the IO power domain's register addresses.
The IO power domain registers are protected. In order to access the
protected IO power domain registers, a valid unlock sequence must be
performed by writing the required keys to the AIB Secure Access Register
(ASAR).
The ASAR register resides within the APBC register address space.
A corresponding syscon property `spacemit,apbc` is added to allow
the pinctrl driver to access this register.
Signed-off-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Acked-by: Linus Walleij <linusw@kernel.org>
Link: https://lore.kernel.org/r/20260108-kx-pinctrl-aib-io-pwr-domain-v2-3-6bcb46146e53@linux.spacemit.com
Signed-off-by: Yixun Lan <dlan@kernel.org>
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K3 Pico-ITX is a 2.5-inch single-board computer equipted with a SpacemiT
K3 SoC.
This minimal device tree enables booting into a serial console with UART
output.
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Link: https://lore.kernel.org/r/20260115-k3-basic-dt-v5-7-6990ac9f4308@riscstar.com
Signed-off-by: Yixun Lan <dlan@kernel.org>
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SpacemiT K3 is equipped with 8 X100 cores, which are RVA23 compliant.
Add nodes of uarts, timer and interrupt-controllers. Also add M-mode
APLIC (maplic) and IMSIC (mimsic) nodes to represent the hardware
topology and ready for potential firmware usage.
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Link: https://lore.kernel.org/r/20260115-k3-basic-dt-v5-6-6990ac9f4308@riscstar.com
Signed-off-by: Yixun Lan <dlan@kernel.org>
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"b" is ratified (Apr/2024) much later than its components zba/zbb/zbs
(Jun/2021). With "b" added into riscv/extensions.yaml, a dependency
checking rule is now enforced, which requires that when zba, zbb, and zbs
are all specified, "b" must be added as well. Failing to do this will
cause dtbs_check schema check warnings.
According to uabi.rst, as a single-letter extension, "b" should be added
after "c" in canonical order.
Update k1.dtsi to conform to this rule.
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20260115-adding-b-dtsi-v2-4-254dd61cf947@riscstar.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
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Enable the DWC3 USB 3.0 controller and its associated usbphy2 on the
Banana Pi F3 board.
The board utilizes a VLI VL817 hub, which requires two separate power
supplies: one VBUS and one for hub itself. Add two GPIO-controlled
fixed-regulators to manage this.
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Ze Huang <huang.ze@linux.dev>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20260111-k1-usb3dts-v2-v3-3-f5ebd546e904@linux.dev
Signed-off-by: Yixun Lan <dlan@gentoo.org>
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Add node for the Synopsys DWC3 USB 3.0 host controller on the K1 SoC.
The controller resides on the 'storage-bus' and uses its DMA
translations.
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Ze Huang <huang.ze@linux.dev>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20260111-k1-usb3dts-v2-v3-2-f5ebd546e904@linux.dev
Signed-off-by: Yixun Lan <dlan@gentoo.org>
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K1's DWC3 USB 3.0 controller requires two separate PHYs to function:
the USB 3.0 combophy (for SuperSpeed) and a USB 2.0 PHY (for High-Speed,
Full-Speed, etc.).
Add node for this second USB 2.0 PHY (usbphy2).
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Ze Huang <huang.ze@linux.dev>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20260111-k1-usb3dts-v2-v3-1-f5ebd546e904@linux.dev
Signed-off-by: Yixun Lan <dlan@gentoo.org>
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Request two reset line explicitly for SDHCI controller.
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20251223-07-k1-sdhci-reset-v2-3-5b8248cfc522@gentoo.org
Signed-off-by: Yixun Lan <dlan@gentoo.org>
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Add resets property to K1 I2C node.
Signed-off-by: Encrow Thorne <jyc0019@gmail.com>
Link: https://lore.kernel.org/r/20251230150653.42097-3-jyc0019@gmail.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
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Enable the configurations needed for boards with the Kontron
SMARC-sAM67 SoM. This allows the use of PCI peripherals, TPS6594 power
button, voltage and temperature sensors on carrier boards designed for
this module.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://patch.msgid.link/20260115132558.1522169-2-mwalle@kernel.org
Link: https://patch.msgid.link/20260115132558.1522169-3-mwalle@kernel.org
Link: https://patch.msgid.link/20260115132558.1522169-4-mwalle@kernel.org
[nm@ti.com: Squashed patches]
Signed-off-by: Nishanth Menon <nm@ti.com>
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Use MOVL when reading segment registers to avoid 0x66 operand-size override
insn prefix. The segment value is always 16-bit and gets zero-extended to the
full 32-bit size.
Example:
4e4: 66 8c c0 mov %es,%ax
4e7: 66 89 83 80 0b 00 00 mov %ax,0xb80(%rbx)
4e4: 8c c0 mov %es,%eax
4e6: 66 89 83 80 0b 00 00 mov %ax,0xb80(%rbx)
Also, use the %k0 modifier which generates the SImode (signed integer)
register name for the target register.
[ bp: Extend and clarify commit message. ]
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Link: https://patch.msgid.link/20260105090422.6243-1-ubizjak@gmail.com
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Use the proper helper instead of an open-coded variant.
Closes: https://lore.kernel.org/r/202512202235.WHPQkLZu-lkp@intel.com
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://patch.msgid.link/20260112114147.GBaWTd-8HSy_Xp4S3X@fat_crate.local
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The use of mshc aliases is deprecated for some while,
so remove them from the rk3036.dtsi file.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://patch.msgid.link/c6feab79-5b73-413b-a94f-9d1b2fa6df43@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Remove the redundant enabling of the hdmi_sound node in the Pinebook Pro
board dts file, because the HDMI output is unused on this device. [1][2]
This change also eliminates the following kernel log warning, which is
caused by the unenabled dependent node of hdmi_sound that ultimately
results in the node's probe failure:
platform hdmi-sound: deferred probe pending: asoc-simple-card: parse error
[1] https://files.pine64.org/doc/PinebookPro/pinebookpro_v2.1_mainboard_schematic.pdf
[2] https://files.pine64.org/doc/PinebookPro/pinebookpro_schematic_v21a_20220419.pdf
Cc: stable@vger.kernel.org
Fixes: 5a65505a69884 ("arm64: dts: rockchip: Add initial support for Pinebook Pro")
Signed-off-by: Jun Yan <jerrysteve1101@gmail.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Link: https://patch.msgid.link/20260116151253.9223-1-jerrysteve1101@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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imx258 had the driver updated a while back and it introduced
two variants, the imx258 and imx258-pdaf. The pinephone pro
is using the pdaf variant so this switches it to the correct
variant and eliminates the pdaf pixels from the sensor output
resulting in a much cleaner image.
Signed-off-by: Luis Garcia <git@luigi311.com>
Link: https://patch.msgid.link/20260119010633.3447863-1-git@luigi311.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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These .dtsi files are not included anywhere in the tree and can't be
tested.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20260113201340.36950-1-robh@kernel.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Drop ARM_SMC_MBOX since it is not defined or used anywhere else
in the kernel source tree.
Fixes: 9e4e24414cc6 ("arm64: introduce STM32 family on Armv8 architecture")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20251230181429.3429404-1-rdunlap@infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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The DTS code coding style expects exactly one space around '=' and
before '{' characters.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251223152544.155637-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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DTS coding style prefers hyphens instead of underscores in the node
names. Change should be safe, because node names are not considered an
ABI.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251223152544.155637-3-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domain property in the dcmipp node of stm32mp231.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251219-stm32-mp2x-dcmipp-csi-power-domain-v1-6-a6edb2aa8154@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domain property in the dcmipp node of stm32mp251.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251219-stm32-mp2x-dcmipp-csi-power-domain-v1-5-a6edb2aa8154@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domain property in the csi node of stm32mp231.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251219-stm32-mp2x-dcmipp-csi-power-domain-v1-3-a6edb2aa8154@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domain property in the csi node of stm32mp251.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251219-stm32-mp2x-dcmipp-csi-power-domain-v1-2-a6edb2aa8154@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the sleep state of the spi1 instance on stm32mp157c-ev1.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251218-stm32-spi-enhancements-v2-4-3b69901ca9fe@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add 32bits DDR4 channel to the stm32mp257f-dk board.
Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
Signed-off-by: Clément Le Goffic <legoffic.clement@gmail.com>
Link: https://lore.kernel.org/r/20251118-b4-ddr-bindings-v9-7-a033ac5144da@gmail.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add 32bits LPDDR4 channel to the stm32mp257f-dk board.
Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
Signed-off-by: Clément Le Goffic <legoffic.clement@gmail.com>
Link: https://lore.kernel.org/r/20251118-b4-ddr-bindings-v9-6-a033ac5144da@gmail.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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By default enable the analog filter on all i2c instances on
the stm32mp23x series.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251215-stm32-i2c-mp2x-dt-updates-v1-5-2738a05a7af8@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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By default enable the analog filter on all i2c instances on
the stm32mp25x series.
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251215-stm32-i2c-mp2x-dt-updates-v1-4-2738a05a7af8@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domains property in all i2c instances available
on the stm32mp231.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251215-stm32-i2c-mp2x-dt-updates-v1-3-2738a05a7af8@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domains property in all i2c instances available
on the stm32mp251.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251215-stm32-i2c-mp2x-dt-updates-v1-2-2738a05a7af8@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domains property in all spi instances available
on the stm32mp231.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251215-stm32-spi-mp2x-dt-updates-v1-3-464a5fd20f13@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add the power-domains property in all spi instances available
on the stm32mp251.dtsi
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251215-stm32-spi-mp2x-dt-updates-v1-2-464a5fd20f13@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add options/u-boot/boot-led property to specify to U-Boot
the LED which indicates a successful boot.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-13-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-14-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-15-50a3a9b339a8@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add options/u-boot/boot-led property to specify to U-Boot
the LED which indicates a successful boot.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-10-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-11-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-12-50a3a9b339a8@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add options/u-boot/boot-led property to specify to U-Boot
the LED which indicates a successful boot.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-1-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-2-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-3-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-4-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-5-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-6-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-7-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-8-50a3a9b339a8@foss.st.com
Link: https://lore.kernel.org/r/20251112-upstream_add_boot-led_for_stm32_boards-v1-9-50a3a9b339a8@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add green and orange LED support on stm32mp235f-dk board.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-14-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-15-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-16-45090db9e2e5@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add led-red node for stm32mp15xx-dkx, this LED is used as status
LED in U-Boot.
Update led-blue node by adding color property and replacing obsolete
label property by function property.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-13-45090db9e2e5@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add led-red node for stm32mp157c-ed1.
This LED is used as status LED in U-Boot.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-12-45090db9e2e5@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add LED red node for stm32mp135f-dk.
This LED is used as status lLED in U-Boot.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-11-45090db9e2e5@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add green and red LEDs support for stm32h743-eval.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-9-45090db9e2e5@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add gpio led support for LED green,orange,red and blue
in stm32h743i-disco.dts.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-8-45090db9e2e5@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Add function porperty for led nodes.
Add LED color property for LED nodes.
Reorder include dt-bindings.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-2-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-3-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-4-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-5-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-6-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-7-45090db9e2e5@foss.st.com
Link: https://lore.kernel.org/r/20251113-upstream_update_led_nodes-v2-10-45090db9e2e5@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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The Radxa Zero2 has an FUSB302 controller on i2c3 at address 0x22 and
INT# wired to GPIOA-13; include a minimal connector.
Signed-off-by: Ricardo Pardini <ricardo@pardini.net>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patch.msgid.link/20260115-arm64-dts-amlogic-radxa-zero2-additions-v2-1-948bb0479a45@pardini.net
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
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during boot.
Fix issue with Odroid HC4 (and all meson-sm1-odroid) DTS that causes
regulator power to momentarily glitch OFF-ON during boot. Add
regulator-boot-on to all regulator-fixed and regulator-gpio entries
that (1) define a gpio AND (2) define regulator-always-on.
U-boot powers on devices necessary for boot then hands off the DTB to
the kernel. During probe, linux drivers/regulator/fixed.c and
gpio-regulator.c both first set the regulator control gpio (that U-boot
already turned ON) to default OFF before then setting it to the defined
(ON) state. This glitches the power to the affected devices, unless
regulator-boot-on is specified with it. In fact, U-boot has the same
behavior. So, during reboot, a power glitch can actually happen twice:
once when U-boot reads the DTB and probes the gpio and again when the
kernel reads the DTB and probes the gpio.
Problem this fixes: On the Odroid HC4, power to the SATA ports glitches
during boot and causes some HDDs to do emergency head retract, which
should be avoided. On the HC4, power glitches to the SD card, USB,
SATA, and HDMI interfaces during boot. These are all boot devices.
A power glitch can potentially cause a problem for any sensitive devices
during boot.
NOTE: This is not limited to just the HC4, likely an issue with ALL DTS
with regulator-fixed or regulator-gpio entries that (1) define a gpio
AND (2) define regulator-always-on. All such entries should also
include regulator-boot-on in order to avoid potential power glitches.
At worst, adding regulator-boot-on in such cases is harmless because of
regulator-always-on, and, at best, it eliminates detrimental power
glitches during boot. So, this is best-practice.
Fixes: 164147f094ec5d0fc2c2098a888f4b50cf3096a7 ("arm64: dts: meson-sm1-odroid-hc4: add regulators controlled by GPIOH_8")
Fixes: 45d736ab17b44257e15e75e0dba364139fdb0983 ("arm64: dts: meson-sm1-odroid: add 5v regulator gpio")
Fixes: 1f80a5cf74a60997b92d2cde772edec093bec4d9 ("arm64: dts: meson-sm1-odroid: add missing enable gpio and supply for tf_io regulator")
Fixes: 88d537bc92ca035e2a9920b0abc750dd62146520 ("arm64: dts: meson: convert meson-sm1-odroid-c4 to dtsi")
Signed-off-by: Eric Neulight <Eric.Neulight@linuxdev.slmail.me>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Viacheslav Bocharov <v@baodeep.com>
Tested-by: Ricardo Pardini <ricardo@pardini.net> # on Odroid-HC4 5V HDD
Link: https://patch.msgid.link/20260116-odroid-hc4-dts-v1-1-459b601cd5cf@linuxdev.slmail.me
[narmstrong: fixed subject prefix]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
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Enable the on-board eMMC storage for Khadas VIM1S.
The VIM1S features a 16GB eMMC 5.1 module. This patch adds the
necessary regulators and the eMMC controller node.
Signed-off-by: Nick Xie <nick@khadas.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://patch.msgid.link/20260116023611.2033078-1-nick@khadas.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
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"b" is ratified (Apr/2024) much later than its components zba/zbb/zbs
(Jun/2021). With "b" added into riscv/extensions.yaml, a dependency
checking rule is now enforced, which requires that when zba, zbb, and zbs
are all specified, "b" must be added as well. Failing to do this will
cause dtbs_check schema check warnings.
According to uabi.rst, as a single-letter extension, "b" should be added
after "c" in canonical order.
Update sg2044-cpus.dtsi to conform to this rule.
Signed-off-by: Guodong Xu <guodong@riscstar.com>
Reviewed-by: Inochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/r/20260115-adding-b-dtsi-v2-3-254dd61cf947@riscstar.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
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In sg2042.dtsi, some peripheral device node does not follow the
address order. Reorder them in ascending order by address.
Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/20260113023828.790136-2-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
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