From: "Andrew Jeffery" <andrew@aj.id.au>
To: "Rob Herring" <robh+dt@kernel.org>
Cc: linux-mmc <linux-mmc@vger.kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Joel Stanley" <joel@jms.id.au>,
"Adrian Hunter" <adrian.hunter@intel.com>,
devicetree@vger.kernel.org,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>,
linux-aspeed@lists.ozlabs.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Ryan Chen" <ryanchen.aspeed@gmail.com>
Subject: Re: [PATCH v3 1/2] dt-bindings: mmc: Document Aspeed SD controller
Date: Mon, 05 Aug 2019 11:40:17 +0930 [thread overview]
Message-ID: <35aaa5a4-1e0d-4f64-8985-36e2c01ccc05@www.fastmail.com> (raw)
In-Reply-To: <CAL_Jsq+oZRREV=VjYUxT3WphOa5tBaF1pvS_JKSphBY=3XB5MA@mail.gmail.com>
On Fri, 2 Aug 2019, at 08:29, Rob Herring wrote:
> On Tue, Jul 30, 2019 at 12:23 AM Andrew Jeffery <andrew@aj.id.au> wrote:
> >
> > The ASPEED SD/SDIO/eMMC controller exposes two slots implementing the
> > SDIO Host Specification v2.00, with 1 or 4 bit data buses, or an 8 bit
> > data bus if only a single slot is enabled.
> >
> > Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
> >
> > ---
> > v3:
> > * Fix compatible enums
> > * Add AST2600 compatibles
> > * Describe #address-cells / #size-cells
> > ---
> > .../devicetree/bindings/mmc/aspeed,sdhci.yaml | 100 ++++++++++++++++++
> > 1 file changed, 100 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml b/Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
> > new file mode 100644
> > index 000000000000..dd2a00c59641
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mmc/aspeed,sdhci.yaml
> > @@ -0,0 +1,100 @@
> > +# SPDX-License-Identifier: GPL-2.0-or-later
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/mmc/aspeed,sdhci.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: ASPEED SD/SDIO/eMMC Controller
> > +
> > +maintainers:
> > + - Andrew Jeffery <andrew@aj.id.au>
> > + - Ryan Chen <ryanchen.aspeed@gmail.com>
> > +
> > +description: |+
> > + The ASPEED SD/SDIO/eMMC controller exposes two slots implementing the SDIO
> > + Host Specification v2.00, with 1 or 4 bit data buses, or an 8 bit data bus if
> > + only a single slot is enabled.
> > +
> > + The two slots are supported by a common configuration area. As the SDHCIs for
> > + the slots are dependent on the common configuration area, they are described
> > + as child nodes.
> > +
> > +properties:
> > + compatible:
> > + enum:
> > + - aspeed,ast2400-sd-controller
> > + - aspeed,ast2500-sd-controller
> > + - aspeed,ast2600-sd-controller
> > + reg:
> > + maxItems: 1
> > + description: Common configuration registers
> > + "#address-cells":
> > + const: 1
> > + "#size-cells":
> > + const: 1
> > + ranges: true
> > + clocks:
> > + maxItems: 1
> > + description: The SD/SDIO controller clock gate
> > +
> > +patternProperties:
> > + "^sdhci@[0-9a-f]+$":
>
> This should probably have:
>
> allOf:
> - $ref: mmc-controller.yaml
>
> Another new thing in 5.3. :)
Ack.
>
> > + type: object
> > + properties:
> > + compatible:
> > + enum:
> > + - aspeed,ast2400-sdhci
> > + - aspeed,ast2500-sdhci
> > + - aspeed,ast2600-sdhci
> > + reg:
> > + maxItems: 1
> > + description: The SDHCI registers
> > + clocks:
> > + maxItems: 1
> > + description: The SD bus clock
> > + interrupts:
> > + maxItems: 1
> > + description: The SD interrupt shared between both slots
> > + required:
> > + - compatible
> > + - reg
> > + - clocks
> > + - interrupts
> > +
> > +additionalProperties: false
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - "#address-cells"
> > + - "#size-cells"
> > + - ranges
> > + - clocks
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/clock/aspeed-clock.h>
> > + sdc@1e740000 {
> > + compatible = "aspeed,ast2500-sd-controller";
> > + reg = <0x1e740000 0x100>;
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + ranges = <0 0x1e740000 0x10000>;
> > + clocks = <&syscon ASPEED_CLK_GATE_SDCLK>;
> > +
> > + sdhci0: sdhci@100 {
> > + compatible = "aspeed,ast2500-sdhci";
> > + reg = <0x100 0x100>;
> > + interrupts = <26>;
> > + sdhci,auto-cmd12;
>
> Not documented. Maybe should be common, but there's only a few users.
I'll document it locally for the moment.
Cheers,
Andrew
next prev parent reply other threads:[~2019-08-05 2:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 6:23 [PATCH v3 0/2] mmc: Add support for the ASPEED SD controller Andrew Jeffery
2019-07-30 6:23 ` [PATCH v3 1/2] dt-bindings: mmc: Document Aspeed " Andrew Jeffery
2019-08-01 22:59 ` Rob Herring
2019-08-05 2:10 ` Andrew Jeffery [this message]
2019-07-30 6:23 ` [PATCH v3 2/2] mmc: Add support for the ASPEED " Andrew Jeffery
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