Lines Matching +full:dqs +full:- +full:support
3 Multi-bit SPI Bus
6 The MSPI (multi-bit SPI) is provided as a generic API to accommodate
16 .. _mspi-controller-api:
21 Zephyr's MSPI controller API may be used when a multi-bit SPI controller
25 not limited to high-speed, high density flash/psram memory devices, displays
30 The relationship between the controller and device drivers is many-to-many to
57 to re-initialize the hardware with new parameters during runtime.
99 whether to support scatter IO and callback management. The controller can determine
112 The mspi controller's bindings should reference mspi-controller.yaml as one of the base.
114 .. code-block:: devicetree
118 compatible = "zephyr,mspi-emul-controller";
121 #address-cells = < 0x1 >;
122 #size-cells = < 0x0 >;
124 clock-frequency = < 0x17d7840 >;
125 op-mode = "MSPI_CONTROLLER";
127 ce-gpios = < &gpio0 0x5 0x1 >, < &gpio0 0x12 0x1 >;
128 dqs-support;
130 pinctrl-0 = < &pinmux-mspi0 >;
131 pinctrl-names = "default";
135 The mspi device's bindings should reference mspi-device.yaml as one of the base.
137 .. code-block:: devicetree
143 compatible = "zephyr,mspi-emul-device";
148 mspi-max-frequency = < 0x2dc6c00 >;
149 mspi-io-mode = "MSPI_IO_MODE_QUAD";
150 mspi-data-rate = "MSPI_DATA_RATE_SINGLE";
151 mspi-hardware-ce-num = < 0x0 >;
152 read-instruction = < 0xb >;
153 write-instruction = < 0x2 >;
154 instruction-length = "INSTR_1_BYTE";
155 address-length = "ADDR_4_BYTE";
156 rx-dummy = < 0x8 >;
157 tx-dummy = < 0x0 >;
158 xip-config = < 0x0 0x0 0x0 0x0 >;
159 ce-break-config = < 0x0 0x0 >;
164 User should specify target operating parameters in the DTS such as ``mspi-max-frequency``,
165 ``mspi-io-mode`` and ``mspi-data-rate`` even though they may subject to change during runtime.
172 The controller driver implementation may or may not support device switching,
176 The device driver should record the current operating conditions of the device to support