1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/ata/imx-sata.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Freescale i.MX AHCI SATA Controller 8 9maintainers: 10 - Shawn Guo <shawn.guo@linaro.org> 11 12description: | 13 The Freescale i.MX SATA controller mostly conforms to the AHCI interface 14 with some special extensions at integration level. 15 16properties: 17 compatible: 18 enum: 19 - fsl,imx53-ahci 20 - fsl,imx6q-ahci 21 - fsl,imx6qp-ahci 22 23 reg: 24 maxItems: 1 25 26 interrupts: 27 maxItems: 1 28 29 clocks: 30 items: 31 - description: sata clock 32 - description: sata reference clock 33 - description: ahb clock 34 35 clock-names: 36 items: 37 - const: sata 38 - const: sata_ref 39 - const: ahb 40 41 fsl,transmit-level-mV: 42 $ref: /schemas/types.yaml#/definitions/uint32 43 description: transmit voltage level, in millivolts. 44 45 fsl,transmit-boost-mdB: 46 $ref: /schemas/types.yaml#/definitions/uint32 47 description: transmit boost level, in milli-decibels. 48 49 fsl,transmit-atten-16ths: 50 $ref: /schemas/types.yaml#/definitions/uint32 51 description: transmit attenuation, in 16ths. 52 53 fsl,receive-eq-mdB: 54 $ref: /schemas/types.yaml#/definitions/uint32 55 description: receive equalisation, in milli-decibels. 56 57 fsl,no-spread-spectrum: 58 $ref: /schemas/types.yaml#/definitions/flag 59 description: if present, disable spread-spectrum clocking on the SATA link. 60 61required: 62 - compatible 63 - reg 64 - interrupts 65 - clocks 66 - clock-names 67 68additionalProperties: false 69 70examples: 71 - | 72 #include <dt-bindings/clock/imx6qdl-clock.h> 73 #include <dt-bindings/interrupt-controller/arm-gic.h> 74 75 sata@2200000 { 76 compatible = "fsl,imx6q-ahci"; 77 reg = <0x02200000 0x4000>; 78 interrupts = <0 39 IRQ_TYPE_LEVEL_HIGH>; 79 clocks = <&clks IMX6QDL_CLK_SATA>, 80 <&clks IMX6QDL_CLK_SATA_REF_100M>, 81 <&clks IMX6QDL_CLK_AHB>; 82 clock-names = "sata", "sata_ref", "ahb"; 83 }; 84