| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/spi/st,stm32-qspi.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: STMicroelectronics STM32 Quad Serial Peripheral Interface (QSPI) bindings |
| |
| maintainers: |
| - Christophe Kerello <christophe.kerello@st.com> |
| - Patrice Chotard <patrice.chotard@st.com> |
| |
| allOf: |
| - $ref: "spi-controller.yaml#" |
| |
| properties: |
| compatible: |
| const: st,stm32f469-qspi |
| |
| reg: |
| items: |
| - description: registers |
| - description: memory mapping |
| |
| reg-names: |
| items: |
| - const: qspi |
| - const: qspi_mm |
| |
| clocks: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| resets: |
| maxItems: 1 |
| |
| dmas: |
| items: |
| - description: tx DMA channel |
| - description: rx DMA channel |
| |
| dma-names: |
| items: |
| - const: tx |
| - const: rx |
| |
| required: |
| - compatible |
| - reg |
| - reg-names |
| - clocks |
| - interrupts |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| #include <dt-bindings/clock/stm32mp1-clks.h> |
| #include <dt-bindings/reset/stm32mp1-resets.h> |
| spi@58003000 { |
| compatible = "st,stm32f469-qspi"; |
| reg = <0x58003000 0x1000>, <0x70000000 0x10000000>; |
| reg-names = "qspi", "qspi_mm"; |
| interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&mdma1 22 0x10 0x100002 0x0 0x0>, |
| <&mdma1 22 0x10 0x100008 0x0 0x0>; |
| dma-names = "tx", "rx"; |
| clocks = <&rcc QSPI_K>; |
| resets = <&rcc QSPI_R>; |
| |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| flash@0 { |
| compatible = "jedec,spi-nor"; |
| reg = <0>; |
| spi-rx-bus-width = <4>; |
| spi-max-frequency = <108000000>; |
| }; |
| }; |
| |
| ... |
