bindings/spi/cdns%2Cqspi-nor.yaml

1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/cdns,qspi-nor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Vaishnav Achath <vaishnav.a@ti.com>
13   - $ref: spi-controller.yaml#
14   - if:
18             const: xlnx,versal-ospi-1.0
21         - power-domains
22   - if:
26             const: starfive,jh7110-qspi
33         reset-names:
37             enum: [ qspi, qspi-ocp, rstc_ref ]
44         reset-names:
48             enum: [ qspi, qspi-ocp ]
49   - if:
53             const: amd,pensando-elba-qspi
56         cdns,fifo-depth:
61         cdns,fifo-depth:
68       - items:
69           - enum:
70               - amd,pensando-elba-qspi
71               - amd,versal2-ospi
72               - intel,lgm-qspi
73               - intel,socfpga-qspi
74               - mobileye,eyeq5-ospi
75               - starfive,jh7110-qspi
76               - ti,am654-ospi
77               - ti,k2g-qspi
78               - xlnx,versal-ospi-1.0
79           # The compatible is qspi-nor for historical reasons but such
82           - const: cdns,qspi-nor
83       - const: cdns,qspi-nor
88       - description: the controller register set
89       - description: the controller data area
98   clock-names:
100       - items:
101           - const: ref
102       - items:
103           - const: ref
104           - const: ahb
105           - const: apb
107   cdns,fifo-depth:
112   cdns,fifo-width:
118   cdns,trigger-address:
121       32-bit indirect AHB trigger address.
123   cdns,is-decoded-cs:
126       Flag to indicate whether decoder is used to select different chip select
129   cdns,rclk-en:
132       Flag to indicate that QSPI return clock is used to latch the read
134       is populated on the board before using this property.
136   power-domains:
143   reset-names:
147       enum: [ qspi, qspi-ocp, rstc_ref ]
150   "^flash@[0-9a-f]+$":
152     $ref: cdns,qspi-nor-peripheral-props.yaml
155       - cdns,read-delay
156       - cdns,tshsl-ns
157       - cdns,tsd2d-ns
158       - cdns,tchsh-ns
159       - cdns,tslch-ns
162   - compatible
163   - reg
164   - interrupts
165   - clocks
166   - cdns,fifo-width
167   - cdns,trigger-address
168   - '#address-cells'
169   - '#size-cells'
174   - |
176         compatible = "intel,socfpga-qspi", "cdns,qspi-nor";
177         #address-cells = <1>;
178         #size-cells = <0>;
183         cdns,fifo-depth = <128>;
184         cdns,fifo-width = <4>;
185         cdns,trigger-address = <0x00000000>;
187         reset-names = "qspi", "qspi-ocp";
190             compatible = "jedec,spi-nor";
192             cdns,read-delay = <4>;
193             cdns,tshsl-ns = <60>;
194             cdns,tsd2d-ns = <60>;
195             cdns,tchsh-ns = <60>;
196             cdns,tslch-ns = <60>;