diff options
Diffstat (limited to 'dts/Bindings/serial')
-rw-r--r-- | dts/Bindings/serial/8250.yaml | 1 | ||||
-rw-r--r-- | dts/Bindings/serial/fsl-lpuart.yaml | 4 | ||||
-rw-r--r-- | dts/Bindings/serial/qcom,msm-uartdm.txt | 81 | ||||
-rw-r--r-- | dts/Bindings/serial/qcom,msm-uartdm.yaml | 112 | ||||
-rw-r--r-- | dts/Bindings/serial/qcom,serial-geni-qcom.yaml | 86 | ||||
-rw-r--r-- | dts/Bindings/serial/renesas,em-uart.yaml | 37 | ||||
-rw-r--r-- | dts/Bindings/serial/renesas,hscif.yaml | 9 | ||||
-rw-r--r-- | dts/Bindings/serial/renesas,scif.yaml | 2 | ||||
-rw-r--r-- | dts/Bindings/serial/rs485.yaml | 5 | ||||
-rw-r--r-- | dts/Bindings/serial/socionext,uniphier-uart.yaml | 5 | ||||
-rw-r--r-- | dts/Bindings/serial/sprd-uart.yaml | 2 |
11 files changed, 252 insertions, 92 deletions
diff --git a/dts/Bindings/serial/8250.yaml b/dts/Bindings/serial/8250.yaml index 3bab2f27b9..5f6b113d37 100644 --- a/dts/Bindings/serial/8250.yaml +++ b/dts/Bindings/serial/8250.yaml @@ -138,6 +138,7 @@ properties: description: The current active speed of the UART. reg-offset: + $ref: /schemas/types.yaml#/definitions/uint32 description: | Offset to apply to the mapbase from the start of the registers. diff --git a/dts/Bindings/serial/fsl-lpuart.yaml b/dts/Bindings/serial/fsl-lpuart.yaml index ff364bd0fb..30eaa62e1a 100644 --- a/dts/Bindings/serial/fsl-lpuart.yaml +++ b/dts/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/dts/Bindings/serial/qcom,msm-uartdm.txt b/dts/Bindings/serial/qcom,msm-uartdm.txt deleted file mode 100644 index 9d098cf73b..0000000000 --- a/dts/Bindings/serial/qcom,msm-uartdm.txt +++ /dev/null @@ -1,81 +0,0 @@ -* MSM Serial UARTDM - -The MSM serial UARTDM hardware is designed for high-speed use cases where the -transmit and/or receive channels can be offloaded to a dma-engine. From a -software perspective it's mostly compatible with the MSM serial UART except -that it supports reading and writing multiple characters at a time. - -Required properties: -- compatible: Should contain at least "qcom,msm-uartdm". - A more specific property should be specified as follows depending - on the version: - "qcom,msm-uartdm-v1.1" - "qcom,msm-uartdm-v1.2" - "qcom,msm-uartdm-v1.3" - "qcom,msm-uartdm-v1.4" -- reg: Should contain UART register locations and lengths. The first - register shall specify the main control registers. An optional second - register location shall specify the GSBI control region. - "qcom,msm-uartdm-v1.3" is the only compatible value that might - need the GSBI control region. -- interrupts: Should contain UART interrupt. -- clocks: Should contain the core clock and the AHB clock. -- clock-names: Should be "core" for the core clock and "iface" for the - AHB clock. - -Optional properties: -- dmas: Should contain dma specifiers for transmit and receive channels -- dma-names: Should contain "tx" for transmit and "rx" for receive channels -- qcom,tx-crci: Identificator <u32> for Client Rate Control Interface to be - used with TX DMA channel. Required when using DMA for transmission - with UARTDM v1.3 and below. -- qcom,rx-crci: Identificator <u32> for Client Rate Control Interface to be - used with RX DMA channel. Required when using DMA for reception - with UARTDM v1.3 and below. - -Note: Aliases may be defined to ensure the correct ordering of the UARTs. -The alias serialN will result in the UART being assigned port N. If any -serialN alias exists, then an alias must exist for each enabled UART. The -serialN aliases should be in a .dts file instead of in a .dtsi file. - -Examples: - -- A uartdm v1.4 device with dma capabilities. - - serial@f991e000 { - compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; - reg = <0xf991e000 0x1000>; - interrupts = <0 108 0x0>; - clocks = <&blsp1_uart2_apps_cxc>, <&blsp1_ahb_cxc>; - clock-names = "core", "iface"; - dmas = <&dma0 0>, <&dma0 1>; - dma-names = "tx", "rx"; - }; - -- A uartdm v1.3 device without dma capabilities and part of a GSBI complex. - - serial@19c40000 { - compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm"; - reg = <0x19c40000 0x1000>, - <0x19c00000 0x1000>; - interrupts = <0 195 0x0>; - clocks = <&gsbi5_uart_cxc>, <&gsbi5_ahb_cxc>; - clock-names = "core", "iface"; - }; - -- serialN alias. - - aliases { - serial0 = &uarta; - serial1 = &uartc; - serial2 = &uartb; - }; - - uarta: serial@12490000 { - }; - - uartb: serial@16340000 { - }; - - uartc: serial@1a240000 { - }; diff --git a/dts/Bindings/serial/qcom,msm-uartdm.yaml b/dts/Bindings/serial/qcom,msm-uartdm.yaml new file mode 100644 index 0000000000..484b9a51f6 --- /dev/null +++ b/dts/Bindings/serial/qcom,msm-uartdm.yaml @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/qcom,msm-uartdm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm MSM Serial UARTDM + +maintainers: + - Andy Gross <agross@kernel.org> + - Bjorn Andersson <bjorn.andersson@linaro.org> + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + +description: | + The MSM serial UARTDM hardware is designed for high-speed use cases where the + transmit and/or receive channels can be offloaded to a dma-engine. From a + software perspective it's mostly compatible with the MSM serial UART except + that it supports reading and writing multiple characters at a time. + + Note:: Aliases may be defined to ensure the correct ordering of the UARTs. + The alias serialN will result in the UART being assigned port N. If any + serialN alias exists, then an alias must exist for each enabled UART. The + serialN aliases should be in a .dts file instead of in a .dtsi file. + +properties: + compatible: + items: + - enum: + - qcom,msm-uartdm-v1.1 + - qcom,msm-uartdm-v1.2 + - qcom,msm-uartdm-v1.3 + - qcom,msm-uartdm-v1.4 + - const: qcom,msm-uartdm + + clocks: + maxItems: 2 + + clock-names: + items: + - const: core + - const: iface + + dmas: + maxItems: 2 + + dma-names: + items: + - const: tx + - const: rx + + interrupts: + maxItems: 1 + + qcom,rx-crci: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Identificator for Client Rate Control Interface to be used with RX DMA + channel. Required when using DMA for reception with UARTDM v1.3 and + below. + + qcom,tx-crci: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Identificator for Client Rate Control Interface to be used with TX DMA + channel. Required when using DMA for transmission with UARTDM v1.3 and + below. + + reg: + minItems: 1 + items: + - description: Main control registers + - description: An optional second register location shall specify the GSBI control region. + +required: + - compatible + - clock-names + - clocks + - interrupts + - reg + +unevaluatedProperties: false + +allOf: + - $ref: /schemas/serial/serial.yaml# + + - if: + properties: + compatible: + contains: + const: qcom,msm-uartdm-v1.3 + then: + properties: + reg: + minItems: 2 + else: + properties: + reg: + maxItems: 1 + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + serial@f991e000 { + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; + reg = <0xf991e000 0x1000>; + interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&blsp1_uart2_apps_cxc>, <&blsp1_ahb_cxc>; + clock-names = "core", "iface"; + dmas = <&dma0 0>, <&dma0 1>; + dma-names = "tx", "rx"; + }; diff --git a/dts/Bindings/serial/qcom,serial-geni-qcom.yaml b/dts/Bindings/serial/qcom,serial-geni-qcom.yaml new file mode 100644 index 0000000000..05a6999808 --- /dev/null +++ b/dts/Bindings/serial/qcom,serial-geni-qcom.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$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/dts/Bindings/serial/renesas,em-uart.yaml b/dts/Bindings/serial/renesas,em-uart.yaml index e98ec48fee..b25aca733b 100644 --- a/dts/Bindings/serial/renesas,em-uart.yaml +++ b/dts/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/dts/Bindings/serial/renesas,hscif.yaml b/dts/Bindings/serial/renesas,hscif.yaml index ee9804cd49..87180d95cd 100644 --- a/dts/Bindings/serial/renesas,hscif.yaml +++ b/dts/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/dts/Bindings/serial/renesas,scif.yaml b/dts/Bindings/serial/renesas,scif.yaml index 5d37f8f189..90fe45265f 100644 --- a/dts/Bindings/serial/renesas,scif.yaml +++ b/dts/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/dts/Bindings/serial/rs485.yaml b/dts/Bindings/serial/rs485.yaml index 0c9fa694f8..f2c9c9fe6a 100644 --- a/dts/Bindings/serial/rs485.yaml +++ b/dts/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/dts/Bindings/serial/socionext,uniphier-uart.yaml b/dts/Bindings/serial/socionext,uniphier-uart.yaml index d490c7c4b9..3d01cc3557 100644 --- a/dts/Bindings/serial/socionext,uniphier-uart.yaml +++ b/dts/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. diff --git a/dts/Bindings/serial/sprd-uart.yaml b/dts/Bindings/serial/sprd-uart.yaml index a444bebd2c..da0e2745b5 100644 --- a/dts/Bindings/serial/sprd-uart.yaml +++ b/dts/Bindings/serial/sprd-uart.yaml @@ -35,7 +35,7 @@ properties: clock-names: description: | - "enable" for UART module enable clock, "uart" for UART clock, "source" + "enable" for UART module enable clock, "uart" for UART clock, "source" for UART source (parent) clock. items: - const: enable |