From cf9610f9116d55c5a66ef9f1faecacabd93a9322 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 24 Aug 2026 08:46:03 -0700 Subject: Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ... --- Documentation/ABI/testing/sysfs-class-devlink | 130 ++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-devlink (limited to 'Documentation/ABI/testing/sysfs-class-devlink') diff --git a/Documentation/ABI/testing/sysfs-class-devlink b/Documentation/ABI/testing/sysfs-class-devlink new file mode 100644 index 000000000..8a21ce515 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-devlink @@ -0,0 +1,130 @@ +What: /sys/class/devlink/.../ +Date: May 2020 +Contact: Saravana Kannan +Description: + Provide a place in sysfs for the device link objects in the + kernel at any given time. The name of a device link directory, + denoted as ... above, is of the form -- + where is the supplier bus:device name and + is the consumer bus:device name. + +What: /sys/class/devlink/.../auto_remove_on +Date: May 2020 +Contact: Saravana Kannan +Description: + This file indicates if the device link will ever be + automatically removed by the driver core when the consumer and + supplier devices themselves are still present. + + This will be one of the following strings: + + - 'consumer unbind' + - 'supplier unbind' + - 'never' + + 'consumer unbind' means the device link will be removed when + the consumer's driver is unbound from the consumer device. + + 'supplier unbind' means the device link will be removed when + the supplier's driver is unbound from the supplier device. + + 'never' means the device link will not be automatically removed + when as long as the supplier and consumer devices themselves + are still present. + +What: /sys/class/devlink/.../consumer +Date: May 2020 +Contact: Saravana Kannan +Description: + This file is a symlink to the consumer device's sysfs directory. + +What: /sys/class/devlink/.../runtime_pm +Date: May 2020 +Contact: Saravana Kannan +Description: + This file indicates if the device link has any impact on the + runtime power management behavior of the consumer and supplier + devices. For example: Making sure the supplier doesn't enter + runtime suspend while the consumer is active. + + This will be one of the following strings: + + === ======================================== + '0' Does not affect runtime power management + '1' Affects runtime power management + === ======================================== + +What: /sys/class/devlink/.../status +Date: May 2020 +Contact: Saravana Kannan +Description: + This file indicates the status of the device link. The status + of a device link is affected by whether the supplier and + consumer devices have been bound to their corresponding + drivers. The status of a device link also affects the binding + and unbinding of the supplier and consumer devices with their + drivers and also affects whether the software state of the + supplier device is synced with the hardware state of the + supplier device after boot up. + See also: sysfs-devices-state_synced. + + This will be one of the following strings: + + - 'not tracked' + - 'dormant' + - 'available' + - 'consumer probing' + - 'active' + - 'supplier unbinding' + - 'unknown' + + 'not tracked' means this device link does not track the status + and has no impact on the binding, unbinding and syncing the + hardware and software device state. + + 'dormant' means the supplier and the consumer devices have not + bound to their driver. + + 'available' means the supplier has bound to its driver and is + available to supply resources to the consumer device. + + 'consumer probing' means the consumer device is currently + trying to bind to its driver. + + 'active' means the supplier and consumer devices have both + bound successfully to their drivers. + + 'supplier unbinding' means the supplier devices is currently in + the process of unbinding from its driver. + + 'unknown' means the state of the device link is not any of the + above. If this is ever the value, there's a bug in the kernel. + +What: /sys/class/devlink/.../supplier +Date: May 2020 +Contact: Saravana Kannan +Description: + This file is a symlink to the supplier device's sysfs directory. + +What: /sys/class/devlink/.../sync_state_only +Date: May 2020 +Contact: Saravana Kannan +Description: + This file indicates if the device link is limited to only + affecting the syncing of the hardware and software state of the + supplier device. + + This will be one of the following strings: + + === ================================ + '0' + '1' Affects runtime power management + === ================================ + + '0' means the device link can affect other device behaviors + like binding/unbinding, suspend/resume, runtime power + management, etc. + + '1' means the device link will only affect the syncing of + hardware and software state of the supplier device after boot + up and doesn't not affect other behaviors of the devices. -- cgit v1.3.1