bindings/ufs/ufs-common.yaml

1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/ufs/ufs-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Alim Akhtar <alim.akhtar@samsung.com>
11   - Avri Altman <avri.altman@wdc.com>
16   clock-names: true
18   freq-table-hz:
21         - description: Minimum frequency for given clock in Hz
22         - description: Maximum frequency for given clock in Hz
25       Preferred is operating-points-v2.
28       as the clocks property. If either this property or operating-points-v2 is
30       frequency is set by the parent clock or a fixed rate clock source.
32   operating-points-v2:
34       Preferred over freq-table-hz.
37       assumed that the frequency is set by the parent clock or a fixed rate
40   opp-table:
46   lanes-per-direction:
54   vdd-hba-supply:
58   vcc-supply:
62   vccq-supply:
66   vccq2-supply:
70   vcc-supply-1p8:
73       For embedded UFS devices, valid VCC range is 1.7-1.95V or 2.7-3.6V. This
75       1.7-1.95V. Note for external UFS cards this property is invalid and valid
76       VCC range is always 2.7-3.6V.
78   vcc-max-microamp:
82   vccq-max-microamp:
86   vccq2-max-microamp:
90   msi-parent: true
93   freq-table-hz: [ clocks ]
94   operating-points-v2: [ clocks, clock-names ]
97   - interrupts
100   - if:
102         - freq-table-hz
105         operating-points-v2: false
106   - if:
108         - operating-points-v2
111         freq-table-hz: false