diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
7 files changed, 138 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml index ff364bd0fbac..30eaa62e1aed 100644 --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml @@ -23,7 +23,9 @@ properties: - fsl,imx8qxp-lpuart - fsl,imxrt1050-lpuart - items: - - const: fsl,imx8ulp-lpuart + - enum: + - fsl,imx93-lpuart + - fsl,imx8ulp-lpuart - const: fsl,imx7ulp-lpuart - items: - enum: diff --git a/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml new file mode 100644 index 000000000000..05a6999808d1 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/qcom,serial-geni-qcom.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/serial/qcom,serial-geni-qcom.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm Geni based QUP UART interface + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + +allOf: + - $ref: /schemas/serial/serial.yaml# + +properties: + compatible: + enum: + - qcom,geni-uart + - qcom,geni-debug-uart + + clocks: + maxItems: 1 + + clock-names: + const: se + + interconnects: + maxItems: 2 + + interconnect-names: + items: + - const: qup-core + - const: qup-config + + interrupts: + minItems: 1 + items: + - description: UART core irq + - description: Wakeup irq (RX GPIO) + + operating-points-v2: true + + pinctrl-0: true + pinctrl-1: true + + pinctrl-names: + minItems: 1 + items: + - const: default + - const: sleep + + power-domains: + maxItems: 1 + + reg: + maxItems: 1 + +required: + - compatible + - clocks + - clock-names + - interrupts + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/qcom,gcc-sc7180.h> + #include <dt-bindings/interconnect/qcom,sc7180.h> + + serial@a88000 { + compatible = "qcom,geni-uart"; + reg = <0xa88000 0x7000>; + interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP0_S0_CLK>; + pinctrl-0 = <&qup_uart0_default>; + pinctrl-names = "default"; + interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_QUP_0 0>; + interconnect-names = "qup-core", "qup-config"; + }; +... diff --git a/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml b/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml index e98ec48fee46..b25aca733b72 100644 --- a/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml +++ b/Documentation/devicetree/bindings/serial/renesas,em-uart.yaml @@ -9,12 +9,16 @@ title: Renesas EMMA Mobile UART Interface maintainers: - Magnus Damm <magnus.damm@gmail.com> -allOf: - - $ref: serial.yaml# - properties: compatible: - const: renesas,em-uart + oneOf: + - items: + - enum: + - renesas,r9a09g011-uart # RZ/V2M + - const: renesas,em-uart # generic EMMA Mobile compatible UART + + - items: + - const: renesas,em-uart # generic EMMA Mobile compatible UART reg: maxItems: 1 @@ -23,10 +27,31 @@ properties: maxItems: 1 clocks: - maxItems: 1 + minItems: 1 + items: + - description: UART functional clock + - description: Internal clock to access the registers clock-names: - const: sclk + minItems: 1 + items: + - const: sclk + - const: pclk + +allOf: + - $ref: serial.yaml# + + - if: + properties: + compatible: + contains: + const: renesas,r9a09g011-uart + then: + properties: + clocks: + minItems: 2 + clock-names: + minItems: 2 required: - compatible diff --git a/Documentation/devicetree/bindings/serial/renesas,hscif.yaml b/Documentation/devicetree/bindings/serial/renesas,hscif.yaml index ee9804cd49bb..87180d95cd4c 100644 --- a/Documentation/devicetree/bindings/serial/renesas,hscif.yaml +++ b/Documentation/devicetree/bindings/serial/renesas,hscif.yaml @@ -51,10 +51,16 @@ properties: - renesas,hscif-r8a77980 # R-Car V3H - renesas,hscif-r8a77990 # R-Car E3 - renesas,hscif-r8a77995 # R-Car D3 - - renesas,hscif-r8a779a0 # R-Car V3U - const: renesas,rcar-gen3-hscif # R-Car Gen3 and RZ/G2 - const: renesas,hscif # generic HSCIF compatible UART + - items: + - enum: + - renesas,hscif-r8a779a0 # R-Car V3U + - renesas,hscif-r8a779g0 # R-Car V4H + - const: renesas,rcar-gen4-hscif # R-Car Gen4 + - const: renesas,hscif # generic HSCIF compatible UART + reg: maxItems: 1 @@ -113,6 +119,7 @@ if: enum: - renesas,rcar-gen2-hscif - renesas,rcar-gen3-hscif + - renesas,rcar-gen4-hscif then: required: - resets diff --git a/Documentation/devicetree/bindings/serial/renesas,scif.yaml b/Documentation/devicetree/bindings/serial/renesas,scif.yaml index 5d37f8f189fb..90fe45265fbc 100644 --- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml +++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml @@ -60,12 +60,12 @@ properties: - renesas,scif-r8a77980 # R-Car V3H - renesas,scif-r8a77990 # R-Car E3 - renesas,scif-r8a77995 # R-Car D3 - - renesas,scif-r8a779a0 # R-Car V3U - const: renesas,rcar-gen3-scif # R-Car Gen3 and RZ/G2 - const: renesas,scif # generic SCIF compatible UART - items: - enum: + - renesas,scif-r8a779a0 # R-Car V3U - renesas,scif-r8a779f0 # R-Car S4-8 - const: renesas,rcar-gen4-scif # R-Car Gen4 - const: renesas,scif # generic SCIF compatible UART diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml index 0c9fa694f85c..f2c9c9fe6aa7 100644 --- a/Documentation/devicetree/bindings/serial/rs485.yaml +++ b/Documentation/devicetree/bindings/serial/rs485.yaml @@ -33,6 +33,11 @@ properties: description: drive RTS low when sending (default is high). $ref: /schemas/types.yaml#/definitions/flag + rs485-rx-active-high: + description: Polarity of receiver enable signal (when separate from RTS). + True indicates active high (default is low). + $ref: /schemas/types.yaml#/definitions/flag + linux,rs485-enabled-at-boot-time: description: enables the rs485 feature at boot time. It can be disabled later with proper ioctl. diff --git a/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml b/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml index d490c7c4b967..3d01cc355778 100644 --- a/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml +++ b/Documentation/devicetree/bindings/serial/socionext,uniphier-uart.yaml @@ -20,7 +20,10 @@ properties: maxItems: 1 clocks: - minItems: 1 + maxItems: 1 + + resets: + maxItems: 1 auto-flow-control: description: enable automatic flow control support. |