| Message ID | 20240911-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-v1-1-b7bfae886211@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | dt-bindings: mmc: convert amlogic,meson-mx-sdio.txt to dtschema | expand |
Thank you Neil! On Wed, Sep 11, 2024 at 5:20 PM Neil Armstrong <neil.armstrong@linaro.org> wrote: > > Convert the Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller > bindings to dt-schema. > > Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
On Wed, Sep 11, 2024 at 05:20:47PM +0200, Neil Armstrong wrote: > Convert the Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller > bindings to dt-schema. > > Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> > --- > .../bindings/mmc/amlogic,meson-mx-sdio.txt | 54 ----------- > .../bindings/mmc/amlogic,meson-mx-sdio.yaml | 101 +++++++++++++++++++++ > 2 files changed, 101 insertions(+), 54 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt > deleted file mode 100644 > index 8765c605e6bc..000000000000 > --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt > +++ /dev/null > @@ -1,54 +0,0 @@ > -* Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller > - > -The highspeed MMC host controller on Amlogic SoCs provides an interface > -for MMC, SD, SDIO and SDHC types of memory cards. > - > -Supported maximum speeds are the ones of the eMMC standard 4.41 as well > -as the speed of SD standard 2.0. > - > -The hardware provides an internal "mux" which allows up to three slots > -to be controlled. Only one slot can be accessed at a time. > - > -Required properties: > - - compatible : must be one of > - - "amlogic,meson8-sdio" > - - "amlogic,meson8b-sdio" > - along with the generic "amlogic,meson-mx-sdio" > - - reg : mmc controller base registers > - - interrupts : mmc controller interrupt > - - #address-cells : must be 1 > - - size-cells : must be 0 > - - clocks : phandle to clock providers > - - clock-names : must contain "core" and "clkin" > - > -Required child nodes: > -A node for each slot provided by the MMC controller is required. > -NOTE: due to a driver limitation currently only one slot (= child node) > - is supported! > - > -Required properties on each child node (= slot): > - - compatible : must be "mmc-slot" (see mmc.txt within this directory) > - - reg : the slot (or "port") ID > - > -Optional properties on each child node (= slot): > - - bus-width : must be 1 or 4 (8-bit bus is not supported) > - - for cd and all other additional generic mmc parameters > - please refer to mmc.txt within this directory > - > -Examples: > - mmc@c1108c20 { > - compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; > - reg = <0xc1108c20 0x20>; > - interrupts = <0 28 1>; > - #address-cells = <1>; > - #size-cells = <0>; > - clocks = <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>; > - clock-names = "core", "clkin"; > - > - slot@1 { > - compatible = "mmc-slot"; > - reg = <1>; > - > - bus-width = <4>; > - }; > - }; > diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml > new file mode 100644 > index 000000000000..4d1142d2ff02 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml > @@ -0,0 +1,101 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller > + > +description: > + The highspeed MMC host controller on Amlogic SoCs provides an interface > + for MMC, SD, SDIO and SDHC types of memory cards. > + Supported maximum speeds are the ones of the eMMC standard 4.41 as well > + as the speed of SD standard 2.0. > + The hardware provides an internal "mux" which allows up to three slots > + to be controlled. Only one slot can be accessed at a time. You need '|' or this is treated as 1 paragraph. If it is 1 paragraph, then format it that way. But really if you want 3 paragraphs, then you should use '>' and put 2 CR's between each paragraph. > + > +maintainers: > + - Neil Armstrong <neil.armstrong@linaro.org> > + > +properties: > + compatible: > + items: > + - enum: > + - amlogic,meson8-sdio > + - amlogic,meson8b-sdio > + - const: amlogic,meson-mx-sdio > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 2 > + > + clock-names: > + items: > + - const: core > + - const: clkin > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > + > +patternProperties: > + "slot@[a-f0-9]+$": Are you going to add 'slot' to nodename in mmc-controller.yaml? > + $ref: mmc-controller.yaml# > + description: > + A node for each slot provided by the MMC controller blank line > + properties: > + compatible: > + const: mmc-slot This is also used by the Cavium controller. Should be common. > + > + reg: > + description: > + the slot (or "port") ID > + maxItems: 1 Aren't there limits in the number of slots the h/w can support? > + > + bus-width: > + enum: [1, 4] > + > + required: > + - compatible > + - reg > + > + unevaluatedProperties: false > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + - "#address-cells" > + - "#size-cells" > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/irq.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + mmc@c1108c20 { > + compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; > + reg = <0xc1108c20 0x20>; > + interrupts = <GIC_SPI 28 IRQ_TYPE_EDGE_RISING>; > + clocks = <&clk_core>, <&clk_in>; > + clock-names = "core", "clkin"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + slot@1 { > + compatible = "mmc-slot"; > + reg = <1>; > + bus-width = <4>; > + }; > + }; > > --- > base-commit: 47ac09b91befbb6a235ab620c32af719f8208399 > change-id: 20240911-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-6fa70546ebb8 > > Best regards, > -- > Neil Armstrong <neil.armstrong@linaro.org> >
Hi Rob, On 16/09/2024 19:40, Rob Herring wrote: > On Wed, Sep 11, 2024 at 05:20:47PM +0200, Neil Armstrong wrote: >> Convert the Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller >> bindings to dt-schema. >> >> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> >> --- >> .../bindings/mmc/amlogic,meson-mx-sdio.txt | 54 ----------- >> .../bindings/mmc/amlogic,meson-mx-sdio.yaml | 101 +++++++++++++++++++++ >> 2 files changed, 101 insertions(+), 54 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt >> deleted file mode 100644 >> index 8765c605e6bc..000000000000 >> --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt >> +++ /dev/null >> @@ -1,54 +0,0 @@ >> -* Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller >> - >> -The highspeed MMC host controller on Amlogic SoCs provides an interface >> -for MMC, SD, SDIO and SDHC types of memory cards. >> - >> -Supported maximum speeds are the ones of the eMMC standard 4.41 as well >> -as the speed of SD standard 2.0. >> - >> -The hardware provides an internal "mux" which allows up to three slots >> -to be controlled. Only one slot can be accessed at a time. >> - >> -Required properties: >> - - compatible : must be one of >> - - "amlogic,meson8-sdio" >> - - "amlogic,meson8b-sdio" >> - along with the generic "amlogic,meson-mx-sdio" >> - - reg : mmc controller base registers >> - - interrupts : mmc controller interrupt >> - - #address-cells : must be 1 >> - - size-cells : must be 0 >> - - clocks : phandle to clock providers >> - - clock-names : must contain "core" and "clkin" >> - >> -Required child nodes: >> -A node for each slot provided by the MMC controller is required. >> -NOTE: due to a driver limitation currently only one slot (= child node) >> - is supported! >> - >> -Required properties on each child node (= slot): >> - - compatible : must be "mmc-slot" (see mmc.txt within this directory) >> - - reg : the slot (or "port") ID >> - >> -Optional properties on each child node (= slot): >> - - bus-width : must be 1 or 4 (8-bit bus is not supported) >> - - for cd and all other additional generic mmc parameters >> - please refer to mmc.txt within this directory >> - >> -Examples: >> - mmc@c1108c20 { >> - compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; >> - reg = <0xc1108c20 0x20>; >> - interrupts = <0 28 1>; >> - #address-cells = <1>; >> - #size-cells = <0>; >> - clocks = <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>; >> - clock-names = "core", "clkin"; >> - >> - slot@1 { >> - compatible = "mmc-slot"; >> - reg = <1>; >> - >> - bus-width = <4>; >> - }; >> - }; >> diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml >> new file mode 100644 >> index 000000000000..4d1142d2ff02 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml >> @@ -0,0 +1,101 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdio.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller >> + >> +description: >> + The highspeed MMC host controller on Amlogic SoCs provides an interface >> + for MMC, SD, SDIO and SDHC types of memory cards. >> + Supported maximum speeds are the ones of the eMMC standard 4.41 as well >> + as the speed of SD standard 2.0. >> + The hardware provides an internal "mux" which allows up to three slots >> + to be controlled. Only one slot can be accessed at a time. > > You need '|' or this is treated as 1 paragraph. If it is 1 paragraph, > then format it that way. > > But really if you want 3 paragraphs, then you should use '>' and put 2 > CR's between each paragraph. Ack > >> + >> +maintainers: >> + - Neil Armstrong <neil.armstrong@linaro.org> >> + >> +properties: >> + compatible: >> + items: >> + - enum: >> + - amlogic,meson8-sdio >> + - amlogic,meson8b-sdio >> + - const: amlogic,meson-mx-sdio >> + >> + reg: >> + maxItems: 1 >> + >> + interrupts: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 2 >> + >> + clock-names: >> + items: >> + - const: core >> + - const: clkin >> + >> + "#address-cells": >> + const: 1 >> + >> + "#size-cells": >> + const: 0 >> + >> + >> +patternProperties: >> + "slot@[a-f0-9]+$": > > Are you going to add 'slot' to nodename in mmc-controller.yaml? Hmm, well slot should not be a valid nodename for a direct mmc-controller, so how to solve that ? > >> + $ref: mmc-controller.yaml# >> + description: >> + A node for each slot provided by the MMC controller > > blank line > >> + properties: >> + compatible: >> + const: mmc-slot > > This is also used by the Cavium controller. Should be common. Right but the cavium one isn't in dtschema, is it worth doing a common yaml for that ? > >> + >> + reg: >> + description: >> + the slot (or "port") ID >> + maxItems: 1 > > Aren't there limits in the number of slots the h/w can support? Good question, let me check > >> + >> + bus-width: >> + enum: [1, 4] >> + >> + required: >> + - compatible >> + - reg >> + >> + unevaluatedProperties: false >> + >> +required: >> + - compatible >> + - reg >> + - interrupts >> + - clocks >> + - clock-names >> + - "#address-cells" >> + - "#size-cells" >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + #include <dt-bindings/interrupt-controller/irq.h> >> + #include <dt-bindings/interrupt-controller/arm-gic.h> >> + mmc@c1108c20 { >> + compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; >> + reg = <0xc1108c20 0x20>; >> + interrupts = <GIC_SPI 28 IRQ_TYPE_EDGE_RISING>; >> + clocks = <&clk_core>, <&clk_in>; >> + clock-names = "core", "clkin"; >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + slot@1 { >> + compatible = "mmc-slot"; >> + reg = <1>; >> + bus-width = <4>; >> + }; >> + }; >> >> --- >> base-commit: 47ac09b91befbb6a235ab620c32af719f8208399 >> change-id: 20240911-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-6fa70546ebb8 >> >> Best regards, >> -- >> Neil Armstrong <neil.armstrong@linaro.org> >> Thanks, Neil
Hi Neil, On Tue, Sep 17, 2024 at 9:13 AM Neil Armstrong <neil.armstrong@linaro.org> wrote: [...] > >> + reg: > >> + description: > >> + the slot (or "port") ID > >> + maxItems: 1 > > > > Aren't there limits in the number of slots the h/w can support? > > Good question, let me check allowed values are: 0, 1, 2 For the remaining questions: I also don't know - so let's see what Rob's suggestion is going to be. Best regards, Martin
On 19/09/2024 18:33, Martin Blumenstingl wrote: > Hi Neil, > > On Tue, Sep 17, 2024 at 9:13 AM Neil Armstrong > <neil.armstrong@linaro.org> wrote: > [...] >>>> + reg: >>>> + description: >>>> + the slot (or "port") ID >>>> + maxItems: 1 >>> >>> Aren't there limits in the number of slots the h/w can support? >> >> Good question, let me check > allowed values are: 0, 1, 2 > > For the remaining questions: I also don't know - so let's see what > Rob's suggestion is going to be. I did something, I'll post it shortly, no idea if it works Neil > > > Best regards, > Martin
diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt deleted file mode 100644 index 8765c605e6bc..000000000000 --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.txt +++ /dev/null @@ -1,54 +0,0 @@ -* Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller - -The highspeed MMC host controller on Amlogic SoCs provides an interface -for MMC, SD, SDIO and SDHC types of memory cards. - -Supported maximum speeds are the ones of the eMMC standard 4.41 as well -as the speed of SD standard 2.0. - -The hardware provides an internal "mux" which allows up to three slots -to be controlled. Only one slot can be accessed at a time. - -Required properties: - - compatible : must be one of - - "amlogic,meson8-sdio" - - "amlogic,meson8b-sdio" - along with the generic "amlogic,meson-mx-sdio" - - reg : mmc controller base registers - - interrupts : mmc controller interrupt - - #address-cells : must be 1 - - size-cells : must be 0 - - clocks : phandle to clock providers - - clock-names : must contain "core" and "clkin" - -Required child nodes: -A node for each slot provided by the MMC controller is required. -NOTE: due to a driver limitation currently only one slot (= child node) - is supported! - -Required properties on each child node (= slot): - - compatible : must be "mmc-slot" (see mmc.txt within this directory) - - reg : the slot (or "port") ID - -Optional properties on each child node (= slot): - - bus-width : must be 1 or 4 (8-bit bus is not supported) - - for cd and all other additional generic mmc parameters - please refer to mmc.txt within this directory - -Examples: - mmc@c1108c20 { - compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; - reg = <0xc1108c20 0x20>; - interrupts = <0 28 1>; - #address-cells = <1>; - #size-cells = <0>; - clocks = <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>; - clock-names = "core", "clkin"; - - slot@1 { - compatible = "mmc-slot"; - reg = <1>; - - bus-width = <4>; - }; - }; diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml new file mode 100644 index 000000000000..4d1142d2ff02 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdio.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller + +description: + The highspeed MMC host controller on Amlogic SoCs provides an interface + for MMC, SD, SDIO and SDHC types of memory cards. + Supported maximum speeds are the ones of the eMMC standard 4.41 as well + as the speed of SD standard 2.0. + The hardware provides an internal "mux" which allows up to three slots + to be controlled. Only one slot can be accessed at a time. + +maintainers: + - Neil Armstrong <neil.armstrong@linaro.org> + +properties: + compatible: + items: + - enum: + - amlogic,meson8-sdio + - amlogic,meson8b-sdio + - const: amlogic,meson-mx-sdio + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: core + - const: clkin + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + +patternProperties: + "slot@[a-f0-9]+$": + $ref: mmc-controller.yaml# + description: + A node for each slot provided by the MMC controller + properties: + compatible: + const: mmc-slot + + reg: + description: + the slot (or "port") ID + maxItems: 1 + + bus-width: + enum: [1, 4] + + required: + - compatible + - reg + + unevaluatedProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + mmc@c1108c20 { + compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio"; + reg = <0xc1108c20 0x20>; + interrupts = <GIC_SPI 28 IRQ_TYPE_EDGE_RISING>; + clocks = <&clk_core>, <&clk_in>; + clock-names = "core", "clkin"; + #address-cells = <1>; + #size-cells = <0>; + + slot@1 { + compatible = "mmc-slot"; + reg = <1>; + bus-width = <4>; + }; + };
Convert the Amlogic Meson6, Meson8 and Meson8b SDIO/MMC controller bindings to dt-schema. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- .../bindings/mmc/amlogic,meson-mx-sdio.txt | 54 ----------- .../bindings/mmc/amlogic,meson-mx-sdio.yaml | 101 +++++++++++++++++++++ 2 files changed, 101 insertions(+), 54 deletions(-) --- base-commit: 47ac09b91befbb6a235ab620c32af719f8208399 change-id: 20240911-topic-amlogic-arm32-upstream-bindings-fixes-convert-meson-mx-sdio-6fa70546ebb8 Best regards,