diff options
Diffstat (limited to 'dts/Bindings/mmc/mtk-sd.yaml')
-rw-r--r-- | dts/Bindings/mmc/mtk-sd.yaml | 244 |
1 files changed, 212 insertions, 32 deletions
diff --git a/dts/Bindings/mmc/mtk-sd.yaml b/dts/Bindings/mmc/mtk-sd.yaml index 82768a8072..c532ec92d2 100644 --- a/dts/Bindings/mmc/mtk-sd.yaml +++ b/dts/Bindings/mmc/mtk-sd.yaml @@ -4,15 +4,12 @@ $id: http://devicetree.org/schemas/mmc/mtk-sd.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: MTK MSDC Storage Host Controller Binding +title: MTK MSDC Storage Host Controller maintainers: - Chaotian Jing <chaotian.jing@mediatek.com> - Wenbin Mei <wenbin.mei@mediatek.com> -allOf: - - $ref: mmc-controller.yaml# - properties: compatible: oneOf: @@ -20,8 +17,10 @@ properties: - mediatek,mt2701-mmc - mediatek,mt2712-mmc - mediatek,mt6779-mmc + - mediatek,mt6795-mmc - mediatek,mt7620-mmc - mediatek,mt7622-mmc + - mediatek,mt7986-mmc - mediatek,mt8135-mmc - mediatek,mt8173-mmc - mediatek,mt8183-mmc @@ -30,42 +29,52 @@ properties: - const: mediatek,mt7623-mmc - const: mediatek,mt2701-mmc - items: - - const: mediatek,mt8192-mmc - - const: mediatek,mt8183-mmc - - items: - - const: mediatek,mt8195-mmc + - enum: + - mediatek,mt8186-mmc + - mediatek,mt8188-mmc + - mediatek,mt8192-mmc + - mediatek,mt8195-mmc + - mediatek,mt8365-mmc - const: mediatek,mt8183-mmc + reg: + minItems: 1 + items: + - description: base register (required). + - description: top base register (required for MT8183). + clocks: description: Should contain phandle for the clock feeding the MMC controller. minItems: 2 - items: - - description: source clock (required). - - description: HCLK which used for host (required). - - description: independent source clock gate (required for MT2712). - - description: bus clock used for internal register access (required for MT2712 MSDC0/3). - - description: msdc subsys clock gate (required for MT8192). - - description: peripheral bus clock gate (required for MT8192). - - description: AXI bus clock gate (required for MT8192). - - description: AHB bus clock gate (required for MT8192). + maxItems: 7 clock-names: minItems: 2 + maxItems: 7 + + interrupts: + description: + Should at least contain MSDC GIC interrupt. To support SDIO in-band wakeup, an extended + interrupt is required and be configured as wakeup source irq. + minItems: 1 + maxItems: 2 + + interrupt-names: items: - - const: source - - const: hclk - - const: source_cg - - const: bus_clk - - const: sys_cg - - const: pclk_cg - - const: axi_cg - - const: ahb_cg + - const: msdc + - const: sdio_wakeup pinctrl-names: + description: + Should at least contain default and state_uhs. To support SDIO in-band wakeup, dat1 pin + will be switched between GPIO mode and SDIO DAT1 mode, state_eint is mandatory in this + scenario. + minItems: 2 items: - const: default - const: state_uhs + - const: state_eint pinctrl-0: description: @@ -77,14 +86,9 @@ properties: should contain uhs mode pin ctrl. maxItems: 1 - assigned-clocks: - description: - PLL of the source clock. - maxItems: 1 - - assigned-clock-parents: + pinctrl-2: description: - parent of source clock, used for HS400 mode to get 400Mhz source clock. + should switch dat1 pin to GPIO mode. maxItems: 1 hs400-ds-delay: @@ -141,6 +145,15 @@ properties: minimum: 0 maximum: 7 + mediatek,tuning-step: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Some SoCs need extend tuning step for better delay value to avoid CRC issue. + If not present, default tuning step is 32. For eMMC and SD, this can yield + satisfactory calibration results in most cases. + enum: [32, 64] + default: 32 + resets: maxItems: 1 @@ -159,6 +172,145 @@ required: - vmmc-supply - vqmmc-supply +allOf: + - $ref: mmc-controller.yaml# + - if: + properties: + compatible: + enum: + - mediatek,mt2701-mmc + - mediatek,mt6779-mmc + - mediatek,mt6795-mmc + - mediatek,mt7620-mmc + - mediatek,mt7622-mmc + - mediatek,mt7623-mmc + - mediatek,mt8135-mmc + - mediatek,mt8173-mmc + - mediatek,mt8183-mmc + - mediatek,mt8186-mmc + - mediatek,mt8188-mmc + - mediatek,mt8195-mmc + - mediatek,mt8516-mmc + then: + properties: + clocks: + minItems: 2 + items: + - description: source clock + - description: HCLK which used for host + - description: independent source clock gate + clock-names: + minItems: 2 + items: + - const: source + - const: hclk + - const: source_cg + + - if: + properties: + compatible: + contains: + const: mediatek,mt2712-mmc + then: + properties: + clocks: + minItems: 3 + items: + - description: source clock + - description: HCLK which used for host + - description: independent source clock gate + - description: bus clock used for internal register access (required for MSDC0/3). + clock-names: + minItems: 3 + items: + - const: source + - const: hclk + - const: source_cg + - const: bus_clk + + - if: + properties: + compatible: + contains: + const: mediatek,mt8183-mmc + then: + properties: + reg: + minItems: 2 + + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt7986-mmc + then: + properties: + clocks: + minItems: 3 + items: + - description: source clock + - description: HCLK which used for host + - description: independent source clock gate + - description: bus clock used for internal register access (required for MSDC0/3). + - description: msdc subsys clock gate + clock-names: + minItems: 3 + items: + - const: source + - const: hclk + - const: source_cg + - const: bus_clk + - const: sys_cg + + - if: + properties: + compatible: + enum: + - mediatek,mt8186-mmc + - mediatek,mt8188-mmc + - mediatek,mt8195-mmc + then: + properties: + clocks: + items: + - description: source clock + - description: HCLK which used for host + - description: independent source clock gate + - description: crypto clock used for data encrypt/decrypt (optional) + clock-names: + items: + - const: source + - const: hclk + - const: source_cg + - const: crypto + + - if: + properties: + compatible: + contains: + const: mediatek,mt8192-mmc + then: + properties: + clocks: + items: + - description: source clock + - description: HCLK which used for host + - description: independent source clock gate + - description: msdc subsys clock gate + - description: peripheral bus clock gate + - description: AXI bus clock gate + - description: AHB bus clock gate + clock-names: + items: + - const: source + - const: hclk + - const: source_cg + - const: sys_cg + - const: pclk_cg + - const: axi_cg + - const: ahb_cg + unevaluatedProperties: false examples: @@ -186,4 +338,32 @@ examples: mediatek,hs400-cmd-resp-sel-rising; }; + mmc3: mmc@11260000 { + compatible = "mediatek,mt8173-mmc"; + reg = <0x11260000 0x1000>; + clock-names = "source", "hclk"; + clocks = <&pericfg CLK_PERI_MSDC30_3>, + <&topckgen CLK_TOP_MSDC50_2_H_SEL>; + interrupt-names = "msdc", "sdio_wakeup"; + interrupts-extended = <&gic GIC_SPI 74 IRQ_TYPE_LEVEL_LOW 0>, + <&pio 23 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default", "state_uhs", "state_eint"; + pinctrl-0 = <&mmc2_pins_default>; + pinctrl-1 = <&mmc2_pins_uhs>; + pinctrl-2 = <&mmc2_pins_eint>; + bus-width = <4>; + max-frequency = <200000000>; + cap-sd-highspeed; + sd-uhs-sdr104; + keep-power-in-suspend; + wakeup-source; + cap-sdio-irq; + no-mmc; + no-sd; + non-removable; + vmmc-supply = <&sdio_fixed_3v3>; + vqmmc-supply = <&mt6397_vgp3_reg>; + mmc-pwrseq = <&wifi_pwrseq>; + }; + ... |