| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/spi/st,stm32-qspi.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: STMicroelectronics STM32 Quad Serial Peripheral Interface (QSPI) |
| 8 | |
| 9 | maintainers: |
| 10 | - Christophe Kerello <christophe.kerello@foss.st.com> |
| 11 | - Patrice Chotard <patrice.chotard@foss.st.com> |
| 12 | |
| 13 | allOf: |
| 14 | - $ref: spi-controller.yaml# |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: st,stm32f469-qspi |
| 19 | |
| 20 | reg: |
| 21 | items: |
| 22 | - description: registers |
| 23 | - description: memory mapping |
| 24 | |
| 25 | reg-names: |
| 26 | items: |
| 27 | - const: qspi |
| 28 | - const: qspi_mm |
| 29 | |
| 30 | clocks: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | interrupts: |
| 34 | maxItems: 1 |
| 35 | |
| 36 | resets: |
| 37 | maxItems: 1 |
| 38 | |
| 39 | dmas: |
| 40 | items: |
| 41 | - description: tx DMA channel |
| 42 | - description: rx DMA channel |
| 43 | |
| 44 | dma-names: |
| 45 | items: |
| 46 | - const: tx |
| 47 | - const: rx |
| 48 | |
| 49 | required: |
| 50 | - compatible |
| 51 | - reg |
| 52 | - reg-names |
| 53 | - clocks |
| 54 | - interrupts |
| 55 | |
| 56 | unevaluatedProperties: false |
| 57 | |
| 58 | examples: |
| 59 | - | |
| 60 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 61 | #include <dt-bindings/clock/stm32mp1-clks.h> |
| 62 | #include <dt-bindings/reset/stm32mp1-resets.h> |
| 63 | spi@58003000 { |
| 64 | compatible = "st,stm32f469-qspi"; |
| 65 | reg = <0x58003000 0x1000>, <0x70000000 0x10000000>; |
| 66 | reg-names = "qspi", "qspi_mm"; |
| 67 | interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; |
| 68 | dmas = <&mdma1 22 0x10 0x100002 0x0 0x0>, |
| 69 | <&mdma1 22 0x10 0x100008 0x0 0x0>; |
| 70 | dma-names = "tx", "rx"; |
| 71 | clocks = <&rcc QSPI_K>; |
| 72 | resets = <&rcc QSPI_R>; |
| 73 | |
| 74 | #address-cells = <1>; |
| 75 | #size-cells = <0>; |
| 76 | |
| 77 | flash@0 { |
| 78 | compatible = "jedec,spi-nor"; |
| 79 | reg = <0>; |
| 80 | spi-rx-bus-width = <4>; |
| 81 | spi-max-frequency = <108000000>; |
| 82 | }; |
| 83 | }; |
| 84 | |
| 85 | ... |