| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/serial/snps-dw-apb-uart.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Synopsys DesignWare ABP UART |
| 8 | |
| 9 | maintainers: |
| 10 | - Rob Herring <robh@kernel.org> |
| 11 | |
| 12 | allOf: |
| Zhen Lei | 8f082dc | 2021-05-06 21:20:48 +0800 | [diff] [blame] | 13 | - $ref: serial.yaml# |
| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | oneOf: |
| 18 | - items: |
| 19 | - enum: |
| Rob Herring | 896efcc | 2019-01-14 11:29:30 -0600 | [diff] [blame] | 20 | - renesas,r9a06g032-uart |
| 21 | - renesas,r9a06g033-uart |
| 22 | - const: renesas,rzn1-uart |
| 23 | - items: |
| 24 | - enum: |
| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 25 | - rockchip,px30-uart |
| Andreas Färber | 1d751b0 | 2021-05-17 01:05:44 +0200 | [diff] [blame] | 26 | - rockchip,rk1808-uart |
| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 27 | - rockchip,rk3036-uart |
| 28 | - rockchip,rk3066-uart |
| 29 | - rockchip,rk3188-uart |
| 30 | - rockchip,rk3288-uart |
| Johan Jonker | ae9fdd2 | 2020-03-02 14:39:10 +0100 | [diff] [blame] | 31 | - rockchip,rk3308-uart |
| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 32 | - rockchip,rk3328-uart |
| 33 | - rockchip,rk3368-uart |
| 34 | - rockchip,rk3399-uart |
| Liang Chen | 52008eb | 2021-04-29 16:11:43 +0800 | [diff] [blame] | 35 | - rockchip,rk3568-uart |
| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 36 | - rockchip,rv1108-uart |
| 37 | - const: snps,dw-apb-uart |
| 38 | - items: |
| 39 | - enum: |
| 40 | - brcm,bcm11351-dw-apb-uart |
| 41 | - brcm,bcm21664-dw-apb-uart |
| 42 | - const: snps,dw-apb-uart |
| Emil Renner Berthing | d0b65b1 | 2021-10-07 14:24:29 +0200 | [diff] [blame] | 43 | - items: |
| 44 | - enum: |
| 45 | - starfive,jh7100-hsuart |
| 46 | - starfive,jh7100-uart |
| 47 | - const: snps,dw-apb-uart |
| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 48 | - const: snps,dw-apb-uart |
| 49 | |
| 50 | reg: |
| 51 | maxItems: 1 |
| 52 | |
| 53 | interrupts: |
| 54 | maxItems: 1 |
| 55 | |
| 56 | clock-frequency: true |
| 57 | |
| 58 | clocks: |
| 59 | minItems: 1 |
| 60 | maxItems: 2 |
| 61 | |
| 62 | clock-names: |
| 63 | items: |
| 64 | - const: baudclk |
| 65 | - const: apb_pclk |
| 66 | |
| 67 | snps,uart-16550-compatible: |
| 68 | description: reflects the value of UART_16550_COMPATIBLE configuration |
| 69 | parameter. Define this if your UART does not implement the busy functionality. |
| 70 | type: boolean |
| 71 | |
| 72 | resets: |
| 73 | maxItems: 1 |
| 74 | |
| 75 | reg-shift: true |
| 76 | |
| 77 | reg-io-width: true |
| 78 | |
| 79 | dcd-override: |
| 80 | description: Override the DCD modem status signal. This signal will |
| 81 | always be reported as active instead of being obtained from the modem |
| 82 | status register. Define this if your serial port does not use this |
| 83 | pin. |
| 84 | type: boolean |
| 85 | |
| 86 | dsr-override: |
| 87 | description: Override the DTS modem status signal. This signal will |
| 88 | always be reported as active instead of being obtained from the modem |
| 89 | status register. Define this if your serial port does not use this |
| 90 | pin. |
| 91 | type: boolean |
| 92 | |
| 93 | cts-override: |
| 94 | description: Override the CTS modem status signal. This signal will |
| 95 | always be reported as active instead of being obtained from the modem |
| 96 | status register. Define this if your serial port does not use this |
| 97 | pin. |
| 98 | type: boolean |
| 99 | |
| 100 | ri-override: |
| 101 | description: Override the RI modem status signal. This signal will always |
| 102 | be reported as inactive instead of being obtained from the modem status |
| 103 | register. Define this if your serial port does not use this pin. |
| 104 | type: boolean |
| 105 | |
| 106 | required: |
| 107 | - compatible |
| 108 | - reg |
| 109 | - interrupts |
| 110 | |
| Rob Herring | 6fdc6e2 | 2020-10-05 13:38:27 -0500 | [diff] [blame] | 111 | unevaluatedProperties: false |
| 112 | |
| Rob Herring | df23007 | 2019-01-14 11:29:29 -0600 | [diff] [blame] | 113 | examples: |
| 114 | - | |
| 115 | serial@80230000 { |
| 116 | compatible = "snps,dw-apb-uart"; |
| 117 | reg = <0x80230000 0x100>; |
| 118 | clock-frequency = <3686400>; |
| 119 | interrupts = <10>; |
| 120 | reg-shift = <2>; |
| 121 | reg-io-width = <4>; |
| 122 | dcd-override; |
| 123 | dsr-override; |
| 124 | cts-override; |
| 125 | ri-override; |
| 126 | }; |
| 127 | |
| 128 | - | |
| 129 | // Example with one clock: |
| 130 | serial@80230000 { |
| 131 | compatible = "snps,dw-apb-uart"; |
| 132 | reg = <0x80230000 0x100>; |
| 133 | clocks = <&baudclk>; |
| 134 | interrupts = <10>; |
| 135 | reg-shift = <2>; |
| 136 | reg-io-width = <4>; |
| 137 | }; |
| 138 | |
| 139 | - | |
| 140 | // Example with two clocks: |
| 141 | serial@80230000 { |
| 142 | compatible = "snps,dw-apb-uart"; |
| 143 | reg = <0x80230000 0x100>; |
| 144 | clocks = <&baudclk>, <&apb_pclk>; |
| 145 | clock-names = "baudclk", "apb_pclk"; |
| 146 | interrupts = <10>; |
| 147 | reg-shift = <2>; |
| 148 | reg-io-width = <4>; |
| 149 | }; |
| 150 | ... |