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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 15:57:25 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 15:57:25 -0800 |
commit | ce51c2b7ceb23a23eb0dc523c80879d8f35e4f38 (patch) | |
tree | 9088f11b41470e02bbf020027682454d33a1871d /Documentation | |
parent | 9d0d886799e49e0f6d51e70c823416919544fdb7 (diff) | |
parent | 72b248cfbf3fd308807afe7cc30d05fefeff7fb1 (diff) | |
download | lwn-ce51c2b7ceb23a23eb0dc523c80879d8f35e4f38.tar.gz lwn-ce51c2b7ceb23a23eb0dc523c80879d8f35e4f38.zip |
Merge tag 'mmc-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Initial support for SD express card/host
MMC host:
- mxc: Convert the driver to DT-only
- mtk-sd: Add HS400 enhanced strobe support
- mtk-sd: Add support for the MT8192 SoC variant
- sdhci-acpi: Allow changing HS200/HS400 driver strength for AMDI0040
- sdhci-esdhc-imx: Convert the driver to DT-only
- sdhci-pci-gli: Improve performance for HS400 mode for GL9763E
- sdhci-pci-gli: Reduce power consumption for GL9755
- sdhci-xenon: Introduce ACPI support
- tmio: Fix command error processing
- tmio: Inform the core about the max_busy_timeout
- tmio/renesas_sdhi: Support custom calculation of busy-wait time
- renesas_sdhi: Reset SCC only when available
- rtsx_pci: Add SD Express mode support for RTS5261
- rtsx_pci: Various fixes and improvements for RTS5261
MEMSTICK:
- Minor fixes/improvements"
* tag 'mmc-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (72 commits)
dt-bindings: mmc: eliminate yamllint warnings
mmc: sdhci-xenon: introduce ACPI support
mmc: sdhci-xenon: use clk only with DT
mmc: sdhci-xenon: switch to device_* API
mmc: sdhci-xenon: use match data for controllers variants
dt-bindings: mmc: Fix xlnx,mio-bank property values for arasan driver
mmc: renesas_sdhi: populate hook for longer busy_wait
mmc: tmio: add hook for custom busy_wait calculation
mmc: tmio: set max_busy_timeout
dt-bindings: mmc: imx: fix the wrongly dropped imx8qm compatible string
mmc: sdhci-pci-gli: Disable slow mode in HS400 mode for GL9763E
mmc: sdhci: Use more concise device_property_read_u64
memstick: r592: Fix error return in r592_probe()
mmc: mxc: Convert the driver to DT-only
mmc: mxs: Remove the unused .id_table
mmc: sdhci-of-arasan: Fix fall-through warnings for Clang
mmc: sdhci-pci-gli: Reduce power consumption for GL9755
mmc: mediatek: depend on COMMON_CLK to fix compile tests
mmc: pxamci: Fix error return code in pxamci_probe
mmc: sdhci: Update firmware interface API
...
Diffstat (limited to 'Documentation')
5 files changed, 181 insertions, 77 deletions
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml index 0753289fba84..37a5fe7b26dc 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml @@ -147,7 +147,7 @@ properties: xlnx,mio-bank: $ref: /schemas/types.yaml#/definitions/uint32 - enum: [0, 2] + enum: [0, 1, 2] default: 0 description: The MIO bank number in which the command and data lines are configured. diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml index e71d13c2d109..802c9df23752 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml @@ -39,6 +39,7 @@ properties: - fsl,imx8mn-usdhc - fsl,imx8mp-usdhc - fsl,imx8mq-usdhc + - fsl,imx8qm-usdhc - fsl,imx8qxp-usdhc - const: fsl,imx7d-usdhc diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt deleted file mode 100644 index 26a8f320a156..000000000000 --- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt +++ /dev/null @@ -1,75 +0,0 @@ -* MTK MMC controller - -The MTK MSDC can act as a MMC controller -to support MMC, SD, and SDIO types of memory cards. - -This file documents differences between the core properties in mmc.txt -and the properties used by the msdc driver. - -Required properties: -- compatible: value should be either of the following. - "mediatek,mt8135-mmc": for mmc host ip compatible with mt8135 - "mediatek,mt8173-mmc": for mmc host ip compatible with mt8173 - "mediatek,mt8183-mmc": for mmc host ip compatible with mt8183 - "mediatek,mt8516-mmc": for mmc host ip compatible with mt8516 - "mediatek,mt6779-mmc": for mmc host ip compatible with mt6779 - "mediatek,mt2701-mmc": for mmc host ip compatible with mt2701 - "mediatek,mt2712-mmc": for mmc host ip compatible with mt2712 - "mediatek,mt7622-mmc": for MT7622 SoC - "mediatek,mt7623-mmc", "mediatek,mt2701-mmc": for MT7623 SoC - "mediatek,mt7620-mmc", for MT7621 SoC (and others) - -- reg: physical base address of the controller and length -- interrupts: Should contain MSDC interrupt number -- clocks: Should contain phandle for the clock feeding the MMC controller -- clock-names: Should contain the following: - "source" - source clock (required) - "hclk" - HCLK which used for host (required) - "source_cg" - independent source clock gate (required for MT2712) - "bus_clk" - bus clock used for internal register access (required for MT2712 MSDC0/3) -- pinctrl-names: should be "default", "state_uhs" -- pinctrl-0: should contain default/high speed pin ctrl -- pinctrl-1: should contain uhs mode pin ctrl -- vmmc-supply: power to the Core -- vqmmc-supply: power to the IO - -Optional properties: -- assigned-clocks: PLL of the source clock -- assigned-clock-parents: parent of source clock, used for HS400 mode to get 400Mhz source clock -- hs400-ds-delay: HS400 DS delay setting -- mediatek,hs200-cmd-int-delay: HS200 command internal delay setting. - This field has total 32 stages. - The value is an integer from 0 to 31. -- mediatek,hs400-cmd-int-delay: HS400 command internal delay setting - This field has total 32 stages. - The value is an integer from 0 to 31. -- mediatek,hs400-cmd-resp-sel-rising: HS400 command response sample selection - If present,HS400 command responses are sampled on rising edges. - If not present,HS400 command responses are sampled on falling edges. -- mediatek,latch-ck: Some SoCs do not support enhance_rx, need set correct latch-ck to avoid data crc - error caused by stop clock(fifo full) - Valid range = [0:0x7]. if not present, default value is 0. - applied to compatible "mediatek,mt2701-mmc". -- resets: Phandle and reset specifier pair to softreset line of MSDC IP. -- reset-names: Should be "hrst". - -Examples: -mmc0: mmc@11230000 { - compatible = "mediatek,mt8173-mmc", "mediatek,mt8135-mmc"; - reg = <0 0x11230000 0 0x108>; - interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_LOW>; - vmmc-supply = <&mt6397_vemc_3v3_reg>; - vqmmc-supply = <&mt6397_vio18_reg>; - clocks = <&pericfg CLK_PERI_MSDC30_0>, - <&topckgen CLK_TOP_MSDC50_0_H_SEL>; - clock-names = "source", "hclk"; - pinctrl-names = "default", "state_uhs"; - pinctrl-0 = <&mmc0_pins_default>; - pinctrl-1 = <&mmc0_pins_uhs>; - assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>; - assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL_D2>; - hs400-ds-delay = <0x14015>; - mediatek,hs200-cmd-int-delay = <26>; - mediatek,hs400-cmd-int-delay = <14>; - mediatek,hs400-cmd-resp-sel-rising; -}; diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml new file mode 100644 index 000000000000..01630b0ecea7 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml @@ -0,0 +1,176 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/mtk-sd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MTK MSDC Storage Host Controller Binding + +maintainers: + - Chaotian Jing <chaotian.jing@mediatek.com> + - Wenbin Mei <wenbin.mei@mediatek.com> + +allOf: + - $ref: mmc-controller.yaml# + +properties: + compatible: + oneOf: + - enum: + - mediatek,mt2701-mmc + - mediatek,mt2712-mmc + - mediatek,mt6779-mmc + - mediatek,mt7620-mmc + - mediatek,mt7622-mmc + - mediatek,mt8135-mmc + - mediatek,mt8173-mmc + - mediatek,mt8183-mmc + - mediatek,mt8516-mmc + - items: + - const: mediatek,mt7623-mmc + - const: mediatek,mt2701-mmc + - items: + - const: mediatek,mt8192-mmc + - const: mediatek,mt8183-mmc + + clocks: + description: + Should contain phandle for the clock feeding the MMC controller. + minItems: 2 + maxItems: 8 + 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). + + clock-names: + minItems: 2 + maxItems: 8 + items: + - const: source + - const: hclk + - const: source_cg + - const: bus_clk + - const: sys_cg + - const: pclk_cg + - const: axi_cg + - const: ahb_cg + + pinctrl-names: + items: + - const: default + - const: state_uhs + + pinctrl-0: + description: + should contain default/high speed pin ctrl. + maxItems: 1 + + pinctrl-1: + description: + should contain uhs mode pin ctrl. + maxItems: 1 + + assigned-clocks: + description: + PLL of the source clock. + maxItems: 1 + + assigned-clock-parents: + description: + parent of source clock, used for HS400 mode to get 400Mhz source clock. + maxItems: 1 + + hs400-ds-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + HS400 DS delay setting. + minimum: 0 + maximum: 0xffffffff + + mediatek,hs200-cmd-int-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + HS200 command internal delay setting. + This field has total 32 stages. + The value is an integer from 0 to 31. + minimum: 0 + maximum: 31 + + mediatek,hs400-cmd-int-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + HS400 command internal delay setting. + This field has total 32 stages. + The value is an integer from 0 to 31. + minimum: 0 + maximum: 31 + + mediatek,hs400-cmd-resp-sel-rising: + $ref: /schemas/types.yaml#/definitions/flag + description: + HS400 command response sample selection. + If present, HS400 command responses are sampled on rising edges. + If not present, HS400 command responses are sampled on falling edges. + + mediatek,latch-ck: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Some SoCs do not support enhance_rx, need set correct latch-ck to avoid + data crc error caused by stop clock(fifo full) Valid range = [0:0x7]. + if not present, default value is 0. + applied to compatible "mediatek,mt2701-mmc". + minimum: 0 + maximum: 7 + + resets: + maxItems: 1 + + reset-names: + const: hrst + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - pinctrl-names + - pinctrl-0 + - pinctrl-1 + - vmmc-supply + - vqmmc-supply + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/mt8173-clk.h> + mmc0: mmc@11230000 { + compatible = "mediatek,mt8173-mmc"; + reg = <0x11230000 0x1000>; + interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_LOW>; + vmmc-supply = <&mt6397_vemc_3v3_reg>; + vqmmc-supply = <&mt6397_vio18_reg>; + clocks = <&pericfg CLK_PERI_MSDC30_0>, + <&topckgen CLK_TOP_MSDC50_0_H_SEL>; + clock-names = "source", "hclk"; + pinctrl-names = "default", "state_uhs"; + pinctrl-0 = <&mmc0_pins_default>; + pinctrl-1 = <&mmc0_pins_uhs>; + assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL_D2>; + hs400-ds-delay = <0x14015>; + mediatek,hs200-cmd-int-delay = <26>; + mediatek,hs400-cmd-int-delay = <14>; + mediatek,hs400-cmd-resp-sel-rising; + }; + +... diff --git a/Documentation/devicetree/bindings/mmc/owl-mmc.yaml b/Documentation/devicetree/bindings/mmc/owl-mmc.yaml index b6ab527087d5..b0d81ebe0f6e 100644 --- a/Documentation/devicetree/bindings/mmc/owl-mmc.yaml +++ b/Documentation/devicetree/bindings/mmc/owl-mmc.yaml @@ -17,7 +17,9 @@ properties: oneOf: - const: actions,owl-mmc - items: - - const: actions,s700-mmc + - enum: + - actions,s500-mmc + - actions,s700-mmc - const: actions,owl-mmc reg: |