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authorLinus Torvalds <torvalds@linux-foundation.org>2022-10-08 09:46:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-10-08 09:46:29 -0700
commitf01603979a4afaad7504a728918b678d572cda9e (patch)
treec88ced8221cbc6eba9e1ea8a421d7cae7c9f8cd5 /Documentation/devicetree/bindings/gpio/gpio-xilinx.txt
parentMerge tag 'staging-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging (diff)
parentgpio: tc3589x: Make irqchip immutable (diff)
downloadlinux-dev-f01603979a4afaad7504a728918b678d572cda9e.tar.xz
linux-dev-f01603979a4afaad7504a728918b678d572cda9e.zip
Merge tag 'gpio-updates-for-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski: "We have a single new driver, support for a bunch of new models, improvements in drivers and core gpiolib code as well device-tree bindings changes. Summary: New driver: - IMX System Controller Unit GPIOs GPIO core: - add fdinfo output for the GPIO character device file descriptors (allows user-space to determine which processes own which GPIO lines) - improvements to OF GPIO code - new quirk for Asus UM325UAZ in gpiolib-acpi - new quirk for Freescale SPI in gpiolib-of Driver improvements: - add a new macro that reduces the amount of boilerplate code in ISA drivers and use it in relevant drivers - support two new models in gpio-pca953x - support new model in gpio-f7188x - convert more drivers to use immutable irq chips - other minor tweaks Device-tree bindings: - add DT bindings for gpio-imx-scu - convert Xilinx GPIO bindings to YAML - reference the properties from the SPI peripheral device-tree bindings instead of providing custom ones in the GPIO controller document - add parsing of GPIO hog nodes to the DT bindings for gpio-mpfs-gpio - relax the node name requirements in gpio-stmpe - add new models for gpio-rcar and gpio-pxa95xx - add a new vendor prefix: Diodes (for Diodes, Inc.) Misc: - pulled in the immutable branch from the x86 platform drivers tree including support for a new simatic board that depends on GPIO changes" * tag 'gpio-updates-for-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (36 commits) gpio: tc3589x: Make irqchip immutable gpiolib: cdev: add fdinfo output for line request file descriptors gpio: twl4030: Reorder functions which allows to drop a forward declaraion gpiolib: fix OOB access in quirk callbacks gpiolib: of: factor out conversion from OF flags gpiolib: rework quirk handling in of_find_gpio() gpiolib: of: make Freescale SPI quirk similar to all others gpiolib: of: do not ignore requested index when applying quirks gpio: ws16c48: Ensure number of irq matches number of base gpio: 104-idio-16: Ensure number of irq matches number of base gpio: 104-idi-48: Ensure number of irq matches number of base gpio: 104-dio-48e: Ensure number of irq matches number of base counter: 104-quad-8: Ensure number of irq matches number of base isa: Introduce the module_isa_driver_with_irq helper macro gpio: pca953x: Add support for PCAL6534 gpio: pca953x: Swap if statements to save later complexity gpio: pca953x: Fix pca953x_gpio_set_pull_up_down() dt-bindings: gpio: pca95xx: add entry for pcal6534 and PI4IOE5V6534Q dt-bindings: vendor-prefixes: add Diodes gpio: mt7621: Switch to use platform_get_irq() function ...
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/gpio-xilinx.txt')
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@@ -1,48 +0,0 @@
-Xilinx plb/axi GPIO controller
-
-Dual channel GPIO controller with configurable number of pins
-(from 1 to 32 per channel). Every pin can be configured as
-input/output/tristate. Both channels share the same global IRQ but
-local interrupts can be enabled on channel basis.
-
-Required properties:
-- compatible : Should be "xlnx,xps-gpio-1.00.a"
-- reg : Address and length of the register set for the device
-- #gpio-cells : Should be two. The first cell is the pin number and the
- second cell is used to specify optional parameters (currently unused).
-- gpio-controller : Marks the device node as a GPIO controller.
-
-Optional properties:
-- clocks : Input clock specifier. Refer to common clock bindings.
-- interrupts : Interrupt mapping for GPIO IRQ.
-- xlnx,all-inputs : if n-th bit is setup, GPIO-n is input
-- xlnx,dout-default : if n-th bit is 1, GPIO-n default value is 1
-- xlnx,gpio-width : gpio width
-- xlnx,tri-default : if n-th bit is 1, GPIO-n is in tristate mode
-- xlnx,is-dual : if 1, controller also uses the second channel
-- xlnx,all-inputs-2 : as above but for the second channel
-- xlnx,dout-default-2 : as above but the second channel
-- xlnx,gpio2-width : as above but for the second channel
-- xlnx,tri-default-2 : as above but for the second channel
-
-
-Example:
-gpio: gpio@40000000 {
- #gpio-cells = <2>;
- compatible = "xlnx,xps-gpio-1.00.a";
- clocks = <&clkc25>;
- gpio-controller ;
- interrupt-parent = <&microblaze_0_intc>;
- interrupts = < 6 2 >;
- reg = < 0x40000000 0x10000 >;
- xlnx,all-inputs = <0x0>;
- xlnx,all-inputs-2 = <0x0>;
- xlnx,dout-default = <0x0>;
- xlnx,dout-default-2 = <0x0>;
- xlnx,gpio-width = <0x2>;
- xlnx,gpio2-width = <0x2>;
- xlnx,interrupt-present = <0x1>;
- xlnx,is-dual = <0x1>;
- xlnx,tri-default = <0xffffffff>;
- xlnx,tri-default-2 = <0xffffffff>;
-} ;