diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml new file mode 100644 index 0000000000..c028039bc4 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml @@ -0,0 +1,118 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/brcm,sdhci-brcmstb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BRCMSTB/BMIPS SDHCI Controller + +maintainers: + - Al Cooper <alcooperx@gmail.com> + - Florian Fainelli <f.fainelli@gmail.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - brcm,bcm7216-sdhci + - const: brcm,bcm7445-sdhci + - const: brcm,sdhci-brcmstb + - items: + - enum: + - brcm,bcm7445-sdhci + - const: brcm,sdhci-brcmstb + - items: + - enum: + - brcm,bcm7425-sdhci + - const: brcm,sdhci-brcmstb + + reg: + maxItems: 2 + + reg-names: + items: + - const: host + - const: cfg + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + items: + - description: handle to core clock for the sdhci controller + - description: handle to improved 150Mhz clock for sdhci controller (Optional clock) + + clock-names: + minItems: 1 + items: + - const: sw_sdio + - const: sdio_freq # Optional clock + + clock-frequency: + description: + Maximum operating frequency of sdio_freq sdhci controller clock + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 100000000 + maximum: 150000000 + + sdhci,auto-cmd12: + type: boolean + description: Specifies that controller should use auto CMD12 + +allOf: + - $ref: mmc-controller.yaml# + - if: + properties: + clock-names: + contains: + const: sdio_freq + + then: + required: + - clock-frequency + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + mmc@84b0000 { + compatible = "brcm,bcm7216-sdhci", + "brcm,bcm7445-sdhci", + "brcm,sdhci-brcmstb"; + reg = <0x84b0000 0x260>, <0x84b0300 0x200>; + reg-names = "host", "cfg"; + sd-uhs-sdr50; + sd-uhs-ddr50; + sd-uhs-sdr104; + sdhci,auto-cmd12; + interrupts = <0x0 0x26 0x4>; + clocks = <&scmi_clk 245>; + clock-names = "sw_sdio"; + }; + + mmc@84b1000 { + compatible = "brcm,bcm7216-sdhci", + "brcm,bcm7445-sdhci", + "brcm,sdhci-brcmstb"; + reg = <0x84b1000 0x260>, <0x84b1300 0x200>; + reg-names = "host", "cfg"; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + mmc-hs400-enhanced-strobe; + supports-cqe; + non-removable; + bus-width = <0x8>; + interrupts = <0x0 0x27 0x4>; + clocks = <&scmi_clk 245>; + clock-names = "sw_sdio"; + }; |