bindings/ata/imx-sata.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/ata/imx-sata.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale i.MX AHCI SATA Controller
10   - Shawn Guo <shawn.guo@linaro.org>
13   The Freescale i.MX SATA controller mostly conforms to the AHCI interface
19       - fsl,imx53-ahci
20       - fsl,imx6q-ahci
21       - fsl,imx6qp-ahci
22       - fsl,imx8qm-ahci
33       - description: sata clock
34       - description: sata reference clock
35       - description: ahb clock
37   clock-names:
40       - const: sata
41       - const: sata_ref
42       - const: ahb
44   fsl,transmit-level-mV:
48   fsl,transmit-boost-mdB:
50     description: transmit boost level, in milli-decibels.
52   fsl,transmit-atten-16ths:
56   fsl,receive-eq-mdB:
58     description: receive equalisation, in milli-decibels.
60   fsl,no-spread-spectrum:
62     description: if present, disable spread-spectrum clocking on the SATA link.
66       - description: phandle to SATA PHY.
67           Since "REXT" pin is only present for first lane of i.MX8QM PHY, it's
69           shared with all three lanes PHY. The first two lanes PHY are used as
70           calibration PHYs, although only the third lane PHY is used by SATA.
71       - description: phandle to the first lane PHY of i.MX8QM.
72       - description: phandle to the second lane PHY of i.MX8QM.
74   phy-names:
76       - const: sata-phy
77       - const: cali-phy0
78       - const: cali-phy1
80   power-domains:
84   - compatible
85   - reg
86   - interrupts
87   - clocks
88   - clock-names
91   - if:
96               - fsl,imx53-ahci
97               - fsl,imx6q-ahci
98               - fsl,imx6qp-ahci
101         clock-names:
104   - if:
109               - fsl,imx8qm-ahci
112         clock-names:
118   - |
119     #include <dt-bindings/clock/imx6qdl-clock.h>
120     #include <dt-bindings/interrupt-controller/arm-gic.h>
122     sata@2200000 {
123         compatible = "fsl,imx6q-ahci";
129         clock-names = "sata", "sata_ref", "ahb";