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dt-bindings: mmc: hisilicon,hi3660-dw-mshc: Convert to DT schema
Convert the Hisilicon DesignWare Mobile Storage Host Controller (dw-mshc) bindings from text format to DT schema. As part of this conversion, the binding file is renamed from k3-dw-mshc.txt to hisilicon,hi3660-dw-mshc.yaml to align with compatible string naming conventions. Examples have been updated to pass schema validation. Note: synopsys-dw-mshc binding specifies clock names as "biu" followed by "ciu". However, this Hisilicon binding reverses the order to 'ciu' then 'biu' to match both the legacy text binding and in-kernel Hisilicon DTS board files. Signed-off-by: Bhargav Joshi <rougueprince47@gmail.com> Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Bhargav Joshi
Ulf Hansson
parent
19fe6c02f4
commit
49eb823cbe
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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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$id: http://devicetree.org/schemas/mmc/hisilicon,hi3660-dw-mshc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Hisilicon specific extensions to the Synopsys Designware Mobile Storage Host Controller
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maintainers:
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- Zhangfei Gao <zhangfei.gao@linaro.org>
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description:
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The Synopsys designware mobile storage host controller is used to interface
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a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
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differences between the core Synopsys dw mshc controller properties described
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by synopsys-dw-mshc.txt and the properties used by the Hisilicon specific
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extensions to the Synopsys Designware Mobile Storage Host Controller.
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allOf:
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- $ref: /schemas/mmc/synopsys-dw-mshc-common.yaml#
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properties:
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compatible:
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oneOf:
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- enum:
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- hisilicon,hi3660-dw-mshc
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- hisilicon,hi4511-dw-mshc
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- hisilicon,hi6220-dw-mshc
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- items:
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- const: hisilicon,hi3670-dw-mshc
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- const: hisilicon,hi3660-dw-mshc
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: card interface unit clock
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- description: bus interface unit clock
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clock-names:
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items:
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- const: ciu
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- const: biu
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hisilicon,peripheral-syscon:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: phandle of syscon used to control peripheral.
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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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- clock-names
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/hi3620-clock.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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mmc@fcd03000 {
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compatible = "hisilicon,hi4511-dw-mshc";
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reg = <0xfcd03000 0x1000>;
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interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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clocks = <&mmc_clock HI3620_SD_CIUCLK>, <&clock HI3620_DDRC_PER_CLK>;
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clock-names = "ciu", "biu";
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vmmc-supply = <&ldo12>;
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fifo-depth = <0x100>;
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pinctrl-names = "default";
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pinctrl-0 = <&sd_pmx_pins &sd_cfg_func1 &sd_cfg_func2>;
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bus-width = <4>;
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disable-wp;
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cd-gpios = <&gpio10 3 GPIO_ACTIVE_HIGH>;
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cap-mmc-highspeed;
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cap-sd-highspeed;
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};
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- |
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#include <dt-bindings/clock/hi6220-clock.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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soc {
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#address-cells = <2>;
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#size-cells = <2>;
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mmc@f723e000 {
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compatible = "hisilicon,hi6220-dw-mshc";
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reg = <0x0 0xf723e000 0x0 0x1000>;
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interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clock_sys HI6220_MMC1_CIUCLK>,
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<&clock_sys HI6220_MMC1_CLK>;
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clock-names = "ciu", "biu";
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bus-width = <4>;
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disable-wp;
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cap-sd-highspeed;
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sd-uhs-sdr12;
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sd-uhs-sdr25;
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card-detect-delay = <200>;
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hisilicon,peripheral-syscon = <&ao_ctrl>;
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cd-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
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pinctrl-names = "default", "idle";
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pinctrl-0 = <&sd_pmx_func &sd_clk_cfg_func &sd_cfg_func>;
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pinctrl-1 = <&sd_pmx_idle &sd_clk_cfg_idle &sd_cfg_idle>;
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vqmmc-supply = <&ldo7>;
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vmmc-supply = <&ldo10>;
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};
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};
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@ -1,73 +0,0 @@
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* Hisilicon specific extensions to the Synopsys Designware Mobile
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Storage Host Controller
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Read synopsys-dw-mshc.txt for more details
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The Synopsys designware mobile storage host controller is used to interface
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a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
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differences between the core Synopsys dw mshc controller properties described
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by synopsys-dw-mshc.txt and the properties used by the Hisilicon specific
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extensions to the Synopsys Designware Mobile Storage Host Controller.
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Required Properties:
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* compatible: should be one of the following.
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- "hisilicon,hi3660-dw-mshc": for controllers with hi3660 specific extensions.
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- "hisilicon,hi3670-dw-mshc", "hisilicon,hi3660-dw-mshc": for controllers
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with hi3670 specific extensions.
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- "hisilicon,hi4511-dw-mshc": for controllers with hi4511 specific extensions.
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- "hisilicon,hi6220-dw-mshc": for controllers with hi6220 specific extensions.
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Optional Properties:
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- hisilicon,peripheral-syscon: phandle of syscon used to control peripheral.
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Example:
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/* for Hi3620 */
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/* SoC portion */
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dwmmc_0: dwmmc0@fcd03000 {
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compatible = "hisilicon,hi4511-dw-mshc";
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reg = <0xfcd03000 0x1000>;
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interrupts = <0 16 4>;
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#address-cells = <1>;
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#size-cells = <0>;
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clocks = <&mmc_clock HI3620_SD_CIUCLK>, <&clock HI3620_DDRC_PER_CLK>;
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clock-names = "ciu", "biu";
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};
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/* Board portion */
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dwmmc0@fcd03000 {
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vmmc-supply = <&ldo12>;
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fifo-depth = <0x100>;
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pinctrl-names = "default";
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pinctrl-0 = <&sd_pmx_pins &sd_cfg_func1 &sd_cfg_func2>;
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bus-width = <4>;
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disable-wp;
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cd-gpios = <&gpio10 3 0>;
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cap-mmc-highspeed;
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cap-sd-highspeed;
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};
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/* for Hi6220 */
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dwmmc_1: dwmmc1@f723e000 {
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compatible = "hisilicon,hi6220-dw-mshc";
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bus-width = <0x4>;
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disable-wp;
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cap-sd-highspeed;
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sd-uhs-sdr12;
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sd-uhs-sdr25;
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card-detect-delay = <200>;
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hisilicon,peripheral-syscon = <&ao_ctrl>;
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reg = <0x0 0xf723e000 0x0 0x1000>;
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interrupts = <0x0 0x49 0x4>;
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clocks = <&clock_sys HI6220_MMC1_CIUCLK>, <&clock_sys HI6220_MMC1_CLK>;
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clock-names = "ciu", "biu";
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cd-gpios = <&gpio1 0 1>;
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pinctrl-names = "default", "idle";
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pinctrl-0 = <&sd_pmx_func &sd_clk_cfg_func &sd_cfg_func>;
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pinctrl-1 = <&sd_pmx_idle &sd_clk_cfg_idle &sd_cfg_idle>;
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vqmmc-supply = <&ldo7>;
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vmmc-supply = <&ldo10>;
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};
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