diff options
Diffstat (limited to 'Documentation')
3 files changed, 102 insertions, 28 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers b/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers index a243984ed420..5d3bc997dc64 100644 --- a/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers +++ b/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers @@ -22,31 +22,3 @@ KernelVersion: v5.13 Contact: Hridya Valsaraju <hridya@google.com> Description: This file is read-only and specifies the size of the DMA-BUF in bytes. - -What: /sys/kernel/dmabuf/buffers/<inode_number>/attachments -Date: May 2021 -KernelVersion: v5.13 -Contact: Hridya Valsaraju <hridya@google.com> -Description: This directory will contain subdirectories representing every - attachment of the DMA-BUF. - -What: /sys/kernel/dmabuf/buffers/<inode_number>/attachments/<attachment_uid> -Date: May 2021 -KernelVersion: v5.13 -Contact: Hridya Valsaraju <hridya@google.com> -Description: This directory will contain information on the attached device - and the number of current distinct device mappings. - -What: /sys/kernel/dmabuf/buffers/<inode_number>/attachments/<attachment_uid>/device -Date: May 2021 -KernelVersion: v5.13 -Contact: Hridya Valsaraju <hridya@google.com> -Description: This file is read-only and is a symlink to the attached device's - sysfs entry. - -What: /sys/kernel/dmabuf/buffers/<inode_number>/attachments/<attachment_uid>/map_counter -Date: May 2021 -KernelVersion: v5.13 -Contact: Hridya Valsaraju <hridya@google.com> -Description: This file is read-only and contains a map_counter indicating the - number of distinct device mappings of the attachment. diff --git a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml index 6c7b577fd471..43cf4df9811a 100644 --- a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml +++ b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml @@ -22,6 +22,9 @@ properties: - ti,ths8134a - ti,ths8134b - const: ti,ths8134 + - items: + - const: corpro,gm7123 + - const: adi,adv7123 - enum: - adi,adv7123 - dumb-vga-dac diff --git a/Documentation/devicetree/bindings/display/panel/samsung,lms380kf01.yaml b/Documentation/devicetree/bindings/display/panel/samsung,lms380kf01.yaml new file mode 100644 index 000000000000..251f0c7115aa --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,lms380kf01.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,lms380kf01.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung LMS380KF01 display panel + +description: The LMS380KF01 is a 480x800 DPI display panel from Samsung Mobile + Displays (SMD) utilizing the WideChips WS2401 display controller. It can be + used with internal or external backlight control. + The panel must obey the rules for a SPI slave device as specified in + spi/spi-controller.yaml + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: samsung,lms380kf01 + + reg: true + + interrupts: + description: provides an optional ESD (electrostatic discharge) + interrupt that signals abnormalities in the display hardware. + This can also be raised for other reasons like erroneous + configuration. + maxItems: 1 + + reset-gpios: true + + vci-supply: + description: regulator that supplies the VCI analog voltage + usually around 3.0 V + + vccio-supply: + description: regulator that supplies the VCCIO voltage usually + around 1.8 V + + backlight: true + + spi-cpha: true + + spi-cpol: true + + spi-max-frequency: + maximum: 1200000 + + port: true + +required: + - compatible + - reg + - spi-cpha + - spi-cpol + - port + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + compatible = "spi-gpio"; + sck-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; + miso-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; + mosi-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; + cs-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "samsung,lms380kf01"; + spi-max-frequency = <1200000>; + spi-cpha; + spi-cpol; + reg = <0>; + vci-supply = <&lcd_3v0_reg>; + vccio-supply = <&lcd_1v8_reg>; + reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>; + interrupt-parent = <&gpio>; + interrupts = <5 IRQ_TYPE_EDGE_RISING>; + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; + }; + }; + +... |