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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/ata/ceva,ahci-1v84.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Ceva AHCI SATA Controller maintainers: - Mubin Sayyed <mubin.sayyed@amd.com> - Radhey Shyam Pandey <radhey.shyam.pandey@amd.com> description: | The Ceva SATA controller mostly conforms to the AHCI interface with some special extensions to add functionality, is a high-performance dual-port SATA host controller with an AHCI compliant command layer which supports advanced features such as native command queuing and frame information structure (FIS) based switching for systems employing port multipliers. properties: compatible: const: ceva,ahci-1v84 reg: maxItems: 1 clocks: maxItems: 1 dma-coherent: true interrupts: maxItems: 1 iommus: maxItems: 4 power-domains: maxItems: 1 ceva,p0-cominit-params: $ref: /schemas/types.yaml#/definitions/uint8-array description: | OOB timing value for COMINIT parameter for port 0. The fields for the above parameter must be as shown below:- ceva,p0-cominit-params = /bits/ 8 <CIBGMN CIBGMX CIBGN CINMP>; items: - description: CINMP - COMINIT Negate Minimum Period. - description: CIBGN - COMINIT Burst Gap Nominal. - description: CIBGMX - COMINIT Burst Gap Maximum. - description: CIBGMN - COMINIT Burst Gap Minimum. ceva,p0-comwake-params: $ref: /schemas/types.yaml#/definitions/uint8-array description: | OOB timing value for COMWAKE parameter for port 0. The fields for the above parameter must be as shown below:- ceva,p0-comwake-params = /bits/ 8 <CWBGMN CWBGMX CWBGN CWNMP>; items: - description: CWBGMN - COMWAKE Burst Gap Minimum. - description: CWBGMX - COMWAKE Burst Gap Maximum. - description: CWBGN - COMWAKE Burst Gap Nominal. - description: CWNMP - COMWAKE Negate Minimum Period. ceva,p0-burst-params: $ref: /schemas/types.yaml#/definitions/uint8-array description: | Burst timing value for COM parameter for port 0. The fields for the above parameter must be as shown below:- ceva,p0-burst-params = /bits/ 8 <BMX BNM SFD PTST>; items: - description: BMX - COM Burst Maximum. - description: BNM - COM Burst Nominal. - description: SFD - Signal Failure Detection value. - description: PTST - Partial to Slumber timer value. ceva,p0-retry-params: $ref: /schemas/types.yaml#/definitions/uint16-array description: | Retry interval timing value for port 0. The fields for the above parameter must be as shown below:- ceva,p0-retry-params = /bits/ 16 <RIT RCT>; items: - description: RIT - Retry Interval Timer. - description: RCT - Rate Change Timer. ceva,p1-cominit-params: $ref: /schemas/types.yaml#/definitions/uint8-array description: | OOB timing value for COMINIT parameter for port 1. The fields for the above parameter must be as shown below:- ceva,p1-cominit-params = /bits/ 8 <CIBGMN CIBGMX CIBGN CINMP>; items: - description: CINMP - COMINIT Negate Minimum Period. - description: CIBGN - COMINIT Burst Gap Nominal. - description: CIBGMX - COMINIT Burst Gap Maximum. - description: CIBGMN - COMINIT Burst Gap Minimum. ceva,p1-comwake-params: $ref: /schemas/types.yaml#/definitions/uint8-array description: | OOB timing value for COMWAKE parameter for port 1. The fields for the above parameter must be as shown below:- ceva,p1-comwake-params = /bits/ 8 <CWBGMN CWBGMX CWBGN CWNMP>; items: - description: CWBGMN - COMWAKE Burst Gap Minimum. - description: CWBGMX - COMWAKE Burst Gap Maximum. - description: CWBGN - COMWAKE Burst Gap Nominal. - description: CWNMP - COMWAKE Negate Minimum Period. ceva,p1-burst-params: $ref: /schemas/types.yaml#/definitions/uint8-array description: | Burst timing value for COM parameter for port 1. The fields for the above parameter must be as shown below:- ceva,p1-burst-params = /bits/ 8 <BMX BNM SFD PTST>; items: - description: BMX - COM Burst Maximum. - description: BNM - COM Burst Nominal. - description: SFD - Signal Failure Detection value. - description: PTST - Partial to Slumber timer value. ceva,p1-retry-params: $ref: /schemas/types.yaml#/definitions/uint16-array description: | Retry interval timing value for port 1. The fields for the above parameter must be as shown below:- ceva,pN-retry-params = /bits/ 16 <RIT RCT>; items: - description: RIT - Retry Interval Timer. - description: RCT - Rate Change Timer. ceva,broken-gen2: $ref: /schemas/types.yaml#/definitions/flag description: | limit to gen1 speed instead of gen2. phys: maxItems: 1 phy-names: items: - const: sata-phy resets: maxItems: 1 required: - compatible - reg - clocks - interrupts - ceva,p0-cominit-params - ceva,p0-comwake-params - ceva,p0-burst-params - ceva,p0-retry-params - ceva,p1-cominit-params - ceva,p1-comwake-params - ceva,p1-burst-params - ceva,p1-retry-params additionalProperties: false examples: - | #include <dt-bindings/clock/xlnx-zynqmp-clk.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/power/xlnx-zynqmp-power.h> #include <dt-bindings/reset/xlnx-zynqmp-resets.h> #include <dt-bindings/clock/xlnx-zynqmp-clk.h> #include <dt-bindings/phy/phy.h> sata: ahci@fd0c0000 { compatible = "ceva,ahci-1v84"; reg = <0xfd0c0000 0x200>; interrupt-parent = <&gic>; interrupts = <0 133 IRQ_TYPE_LEVEL_HIGH>; clocks = <&zynqmp_clk SATA_REF>; ceva,p0-cominit-params = /bits/ 8 <0x0F 0x25 0x18 0x29>; ceva,p0-comwake-params = /bits/ 8 <0x04 0x0B 0x08 0x0F>; ceva,p0-burst-params = /bits/ 8 <0x0A 0x08 0x4A 0x06>; ceva,p0-retry-params = /bits/ 16 <0x0216 0x7F06>; ceva,p1-cominit-params = /bits/ 8 <0x0F 0x25 0x18 0x29>; ceva,p1-comwake-params = /bits/ 8 <0x04 0x0B 0x08 0x0F>; ceva,p1-burst-params = /bits/ 8 <0x0A 0x08 0x4A 0x06>; ceva,p1-retry-params = /bits/ 16 <0x0216 0x7F06>; ceva,broken-gen2; phys = <&psgtr 1 PHY_TYPE_SATA 1 1>; resets = <&zynqmp_reset ZYNQMP_RESET_SATA>; }; |