dt-bindings: mmc: Convert Broadcom STB SDHCI binding to YAML
Convert the Broadcom STB SDHCI controller Device Tree binding to YAML. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20211208003727.3596577-2-f.fainelli@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Florian Fainelli
Ulf Hansson
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* BROADCOM BRCMSTB/BMIPS SDHCI Controller
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This file documents differences between the core properties in mmc.txt
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and the properties used by the sdhci-brcmstb driver.
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NOTE: The driver disables all UHS speed modes by default and depends
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on Device Tree properties to enable them for SoC/Board combinations
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that support them.
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Required properties:
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- compatible: should be one of the following
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- "brcm,bcm7425-sdhci"
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- "brcm,bcm7445-sdhci"
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- "brcm,bcm7216-sdhci"
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Refer to clocks/clock-bindings.txt for generic clock consumer properties.
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Example:
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sdhci@84b0000 {
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sd-uhs-sdr50;
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sd-uhs-ddr50;
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sd-uhs-sdr104;
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sdhci,auto-cmd12;
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compatible = "brcm,bcm7216-sdhci",
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"brcm,bcm7445-sdhci",
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"brcm,sdhci-brcmstb";
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reg = <0x84b0000 0x260 0x84b0300 0x200>;
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reg-names = "host", "cfg";
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interrupts = <0x0 0x26 0x4>;
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interrupt-names = "sdio0_0";
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clocks = <&scmi_clk 245>;
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clock-names = "sw_sdio";
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};
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sdhci@84b1000 {
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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mmc-hs400-1_8v;
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mmc-hs400-enhanced-strobe;
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supports-cqe;
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non-removable;
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bus-width = <0x8>;
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compatible = "brcm,bcm7216-sdhci",
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"brcm,bcm7445-sdhci",
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"brcm,sdhci-brcmstb";
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reg = <0x84b1000 0x260 0x84b1300 0x200>;
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reg-names = "host", "cfg";
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interrupts = <0x0 0x27 0x4>;
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interrupt-names = "sdio1_0";
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clocks = <&scmi_clk 245>;
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clock-names = "sw_sdio";
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};
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@ -0,0 +1,100 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mmc/brcm,sdhci-brcmstb.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom BRCMSTB/BMIPS SDHCI Controller binding
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maintainers:
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- Al Cooper <alcooperx@gmail.com>
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- Florian Fainelli <f.fainelli@gmail.com>
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allOf:
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- $ref: mmc-controller.yaml#
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- brcm,bcm7216-sdhci
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- const: brcm,bcm7445-sdhci
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- const: brcm,sdhci-brcmstb
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- items:
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- enum:
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- brcm,bcm7445-sdhci
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- const: brcm,sdhci-brcmstb
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- items:
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- enum:
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- brcm,bcm7425-sdhci
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- const: brcm,sdhci-brcmstb
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reg:
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minItems: 2
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reg-names:
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items:
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- const: host
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- const: cfg
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 1
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description:
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handle to core clock for the sdhci controller.
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clock-names:
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items:
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- const: sw_sdio
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sdhci,auto-cmd12:
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type: boolean
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description: Specifies that controller should use auto CMD12
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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mmc@84b0000 {
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sd-uhs-sdr50;
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sd-uhs-ddr50;
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sd-uhs-sdr104;
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sdhci,auto-cmd12;
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compatible = "brcm,bcm7216-sdhci",
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"brcm,bcm7445-sdhci",
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"brcm,sdhci-brcmstb";
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reg = <0x84b0000 0x260>, <0x84b0300 0x200>;
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reg-names = "host", "cfg";
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interrupts = <0x0 0x26 0x4>;
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interrupt-names = "sdio0_0";
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clocks = <&scmi_clk 245>;
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clock-names = "sw_sdio";
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};
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mmc@84b1000 {
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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mmc-hs400-1_8v;
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mmc-hs400-enhanced-strobe;
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supports-cqe;
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non-removable;
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bus-width = <0x8>;
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compatible = "brcm,bcm7216-sdhci",
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"brcm,bcm7445-sdhci",
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"brcm,sdhci-brcmstb";
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reg = <0x84b1000 0x260>, <0x84b1300 0x200>;
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reg-names = "host", "cfg";
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interrupts = <0x0 0x27 0x4>;
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interrupt-names = "sdio1_0";
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clocks = <&scmi_clk 245>;
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clock-names = "sw_sdio";
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};
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