| 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/mmc/brcm,sdhci-brcmstb.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Broadcom BRCMSTB/BMIPS SDHCI Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Al Cooper <alcooperx@gmail.com> |
| 11 | - Florian Fainelli <f.fainelli@gmail.com> |
| 12 | |
| 13 | properties: |
| 14 | compatible: |
| 15 | oneOf: |
| 16 | - items: |
| 17 | - enum: |
| 18 | - brcm,bcm7216-sdhci |
| 19 | - const: brcm,bcm7445-sdhci |
| 20 | - const: brcm,sdhci-brcmstb |
| 21 | - items: |
| 22 | - enum: |
| 23 | - brcm,bcm7445-sdhci |
| 24 | - const: brcm,sdhci-brcmstb |
| 25 | - items: |
| 26 | - enum: |
| 27 | - brcm,bcm7425-sdhci |
| 28 | - const: brcm,sdhci-brcmstb |
| 29 | |
| 30 | reg: |
| 31 | maxItems: 2 |
| 32 | |
| 33 | reg-names: |
| 34 | items: |
| 35 | - const: host |
| 36 | - const: cfg |
| 37 | |
| 38 | interrupts: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | clocks: |
| 42 | minItems: 1 |
| 43 | items: |
| 44 | - description: handle to core clock for the sdhci controller |
| 45 | - description: handle to improved 150Mhz clock for sdhci controller (Optional clock) |
| 46 | |
| 47 | clock-names: |
| 48 | minItems: 1 |
| 49 | items: |
| 50 | - const: sw_sdio |
| 51 | - const: sdio_freq # Optional clock |
| 52 | |
| 53 | clock-frequency: |
| 54 | description: |
| 55 | Maximum operating frequency of sdio_freq sdhci controller clock |
| 56 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 57 | minimum: 100000000 |
| 58 | maximum: 150000000 |
| 59 | |
| 60 | sdhci,auto-cmd12: |
| 61 | type: boolean |
| 62 | description: Specifies that controller should use auto CMD12 |
| 63 | |
| 64 | allOf: |
| 65 | - $ref: mmc-controller.yaml# |
| 66 | - if: |
| 67 | properties: |
| 68 | clock-names: |
| 69 | contains: |
| 70 | const: sdio_freq |
| 71 | |
| 72 | then: |
| 73 | required: |
| 74 | - clock-frequency |
| 75 | |
| 76 | required: |
| 77 | - compatible |
| 78 | - reg |
| 79 | - interrupts |
| 80 | - clocks |
| 81 | - clock-names |
| 82 | |
| 83 | unevaluatedProperties: false |
| 84 | |
| 85 | examples: |
| 86 | - | |
| 87 | mmc@84b0000 { |
| 88 | compatible = "brcm,bcm7216-sdhci", |
| 89 | "brcm,bcm7445-sdhci", |
| 90 | "brcm,sdhci-brcmstb"; |
| 91 | reg = <0x84b0000 0x260>, <0x84b0300 0x200>; |
| 92 | reg-names = "host", "cfg"; |
| 93 | sd-uhs-sdr50; |
| 94 | sd-uhs-ddr50; |
| 95 | sd-uhs-sdr104; |
| 96 | sdhci,auto-cmd12; |
| 97 | interrupts = <0x0 0x26 0x4>; |
| 98 | clocks = <&scmi_clk 245>; |
| 99 | clock-names = "sw_sdio"; |
| 100 | }; |
| 101 | |
| 102 | mmc@84b1000 { |
| 103 | compatible = "brcm,bcm7216-sdhci", |
| 104 | "brcm,bcm7445-sdhci", |
| 105 | "brcm,sdhci-brcmstb"; |
| 106 | reg = <0x84b1000 0x260>, <0x84b1300 0x200>; |
| 107 | reg-names = "host", "cfg"; |
| 108 | mmc-ddr-1_8v; |
| 109 | mmc-hs200-1_8v; |
| 110 | mmc-hs400-1_8v; |
| 111 | mmc-hs400-enhanced-strobe; |
| 112 | supports-cqe; |
| 113 | non-removable; |
| 114 | bus-width = <0x8>; |
| 115 | interrupts = <0x0 0x27 0x4>; |
| 116 | clocks = <&scmi_clk 245>; |
| 117 | clock-names = "sw_sdio"; |
| 118 | }; |