Merge tag 'mmc-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add support for the asynchronous SDIO wakeup interrupts
   - Skip redundant evaluation of eMMC HS400 caps when no-MMC-cap
   - Add support to store error stats from host drivers
   - Extend debugfs to show error stats from host drivers
   - Add single I/O read support in the recovery path for 4k sector cards

  MMC host:
   - dw_mmc-exynos: Convert corresponding DT bindings to the dtschema
   - dw_mmc-rockchip: Add support for the Rockchip RV1126 variant
   - mmc_spi: Convert corresponding DT bindings to the dtschema
   - mtk-sd: Extend support for interrupts/pinctrls for SDIO low-power mode
   - mtk-sd: Add support for SDIO wake irqs
   - mtk-sd: Add support for the Mediatek MT8188 variant
   - renesas_sdhi: Drop redundant manual tap correction for newer SoCs
   - renesas_sdhi: Add support for the R-Car S4-8 and generic Gen4 variants
   - sdhci/cqhci: Add support to capture stats from host errors
   - sdhci-brcmstb: Add ability to increase max clock rate for SDIO on 72116b0
   - sdhci-msm: Add support for the MSM8998 and SM8450 variant
   - sdhci-of-at91: Fixup UHS-I mode by rewriting of MC1R
   - sdhci-of-dwcmshc: Add support for the Rockchip rk3588 variant
   - sdhci-of-dwcmshc: Enable reset support for the Rockchip variants
   - sdhci-pci-gli: Improve I/O read/write performance for GL9763E
   - sdhci-s3c: Convert corresponding DT bindings to the dtschema
   - tmio: Avoid glitches when resetting

  MEMSTICK core:
   - A couple of minor fixes and cleanups"

* tag 'mmc-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (61 commits)
  mmc: mediatek: add support for SDIO eint wakup IRQ
  mmc: core: Add support for SDIO wakeup interrupt
  dt-bindings: mmc: mtk-sd: extend interrupts and pinctrls properties
  dt-bindings: mmc: rockchip-dw-mshc: Document Rockchip RV1126
  mmc: renesas_sdhi: newer SoCs don't need manual tap correction
  mmc: cavium-thunderx: Add of_node_put() when breaking out of loop
  mmc: cavium-octeon: Add of_node_put() when breaking out of loop
  mmc: core: quirks: Add of_node_put() when breaking out of loop
  mmc: sdhci-brcmstb: use clk_get_rate(base_clk) in PM resume
  dt-bindings: mmc: sdhci-msm: Document the SM8450 compatible
  mmc: sdhci-msm: drop redundant of_device_id entries
  dt-bindings: mmc: sdhci-msm: add MSM8998
  mmc: block: Add single read for 4k sector cards
  mmc: mxcmmc: Use mmc_card_sdio macro
  mmc: core: Use mmc_card_* macro and add a new for the sd_combo type
  dt-bindings: mmc: sdhci-msm: constrain reg-names per variants
  dt-bindings: mmc: sdhci-msm: fix reg-names entries
  dt-bindings: mmc: Add compatible for MediaTek MT8188
  dt-bindings: mmc: sdhci-msm: document resets
  mmc: sdhci-of-at91: fix set_uhs_signaling rewriting of MC1R
  ...

Author: torvalds

Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml

@@ -10,9 +10,6 @@ maintainers:
   - Al Cooper <alcooperx@gmail.com>
   - Florian Fainelli <f.fainelli@gmail.com>
 
-allOf:
-  - $ref: mmc-controller.yaml#
-
 properties:
   compatible:
     oneOf:
@@ -42,23 +39,46 @@ properties:
     maxItems: 1
 
   clocks:
-    maxItems: 1
-    description:
-      handle to core clock for the sdhci controller.
+    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
 

Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt

@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/mmc-spi-slot.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MMC/SD/SDIO slot directly connected to a SPI bus
+
+maintainers:
+  - Ulf Hansson <ulf.hansson@linaro.org>
+
+allOf:
+  - $ref: "mmc-controller.yaml"
+  - $ref: /schemas/spi/spi-peripheral-props.yaml
+
+description: |
+  The extra properties used by an mmc connected via SPI.
+
+properties:
+  compatible:
+    const: mmc-spi-slot
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency: true
+
+  interrupts:
+    maxItems: 1
+
+  voltage-ranges:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Two cells are required, first cell specifies minimum slot voltage (mV),
+      second cell specifies maximum slot voltage (mV).
+    items:
+      - description: |
+          value for minimum slot voltage in mV
+        default: 3200
+      - description: |
+          value for maximum slot voltage in mV
+        default: 3400
+
+  gpios:
+    description: |
+      For historical reasons, this does not follow the generic mmc-controller
+      binding.
+    minItems: 1
+    items:
+      - description: Card-Detect GPIO
+      - description: Write-Protect GPIO
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      mmc@0 {
+        compatible = "mmc-spi-slot";
+        reg = <0>;
+        gpios = <&gpio 14 GPIO_ACTIVE_LOW>, <&gpio 15 GPIO_ACTIVE_HIGH>;
+        voltage-ranges = <3300 3300>;
+        spi-max-frequency = <50000000>;
+        interrupts = <42>;
+        interrupt-parent = <&PIC>;
+      };
+    };
+
+...

Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt

@@ -30,13 +30,11 @@ properties:
           - const: mediatek,mt7623-mmc
           - const: mediatek,mt2701-mmc
       - items:
-          - const: mediatek,mt8186-mmc
-          - const: mediatek,mt8183-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
           - const: mediatek,mt8183-mmc
 
   reg:
@@ -72,12 +70,27 @@ properties:
       - const: ahb_cg
 
   interrupts:
-    maxItems: 1
+    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: 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:
@@ -89,6 +102,11 @@ properties:
       should contain uhs mode pin ctrl.
     maxItems: 1
 
+  pinctrl-2:
+    description:
+      should switch dat1 pin to GPIO mode.
+    maxItems: 1
+
   assigned-clocks:
     description:
       PLL of the source clock.
@@ -208,4 +226,32 @@ 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>;
+    };
+
 ...

Documentation/devicetree/bindings/mmc/mmc-spi-slot.yaml

@@ -56,11 +56,15 @@ properties:
               - renesas,sdhi-r8a77980  # R-Car V3H
               - renesas,sdhi-r8a77990  # R-Car E3
               - renesas,sdhi-r8a77995  # R-Car D3
-              - renesas,sdhi-r8a779a0  # R-Car V3U
               - renesas,sdhi-r9a07g043 # RZ/G2UL
               - renesas,sdhi-r9a07g044 # RZ/G2{L,LC}
               - renesas,sdhi-r9a07g054 # RZ/V2L
           - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2
+      - items:
+          - enum:
+              - renesas,sdhi-r8a779a0  # R-Car V3U
+              - renesas,sdhi-r8a779f0  # R-Car S4-8
+          - const: renesas,rcar-gen4-sdhi # R-Car Gen4
 
   reg:
     maxItems: 1
@@ -141,6 +145,7 @@ allOf:
               enum:
                 - renesas,rcar-gen2-sdhi
                 - renesas,rcar-gen3-sdhi
+                - renesas,rcar-gen4-sdhi
       then:
         properties:
           clocks:

Documentation/devicetree/bindings/mmc/mtk-sd.yaml

@@ -39,6 +39,7 @@ properties:
               - rockchip,rk3399-dw-mshc
               - rockchip,rk3568-dw-mshc
               - rockchip,rv1108-dw-mshc
+              - rockchip,rv1126-dw-mshc
           - const: rockchip,rk3288-dw-mshc
 
   reg: