From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Brad Larson <brad@pensando.io>, linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org,
adrian.hunter@intel.com, alcooperx@gmail.com,
andy.shevchenko@gmail.com, arnd@arndb.de, blarson@amd.com,
brijeshkumar.singh@amd.com, catalin.marinas@arm.com,
gsomlo@gmail.com, gerg@linux-m68k.org, krzk@kernel.org,
krzysztof.kozlowski+dt@linaro.org, lee.jones@linaro.org,
broonie@kernel.org, yamada.masahiro@socionext.com,
p.zabel@pengutronix.de, piotrs@cadence.com, p.yadav@ti.com,
rdunlap@infradead.org, robh+dt@kernel.org, samuel@sholland.org,
fancer.lancer@gmail.com, suravee.suthikulpanit@amd.com,
thomas.lendacky@amd.com, ulf.hansson@linaro.org, will@kernel.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH v5 06/15] dt-bindings: mfd: amd,pensando-elbasr: Add AMD Pensando Elba System Resource chip
Date: Mon, 20 Jun 2022 14:56:38 +0200 [thread overview]
Message-ID: <b42b197f-2b11-cb6e-458a-ed12b2eb997d@linaro.org> (raw)
In-Reply-To: <20220613195658.5607-7-brad@pensando.io>
On 13/06/2022 21:56, Brad Larson wrote:
> From: Brad Larson <blarson@amd.com>
>
> Add support for the AMD Pensando Elba SoC System Resource chip
> using the SPI interface. The Elba SR is a Multi-function Device
> supporting device register access using CS0, smbus interface for
> FRU and board peripherals using CS1, dual Lattice I2C masters for
> transceiver management using CS2, and CS3 for flash access.
>
> Signed-off-by: Brad Larson <blarson@amd.com>
> ---
> .../bindings/mfd/amd,pensando-elbasr.yaml | 93 +++++++++++++++++++
> 1 file changed, 93 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml b/Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml
> new file mode 100644
> index 000000000000..13356800b1cf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/amd,pensando-elbasr.yaml
> @@ -0,0 +1,93 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/amd,pensando-elbasr.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AMD Pensando Elba SoC Resource Controller bindings
> +
> +description: |
> + AMD Pensando Elba SoC Resource Controller bindings attached to a SPI bus.
> +
> +maintainers:
> + - Brad Larson <blarson@amd.com>
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - amd,pensando-elbasr
> + - const: simple-mfd
> +
> + spi-max-frequency:
> + description: Maximum SPI frequency of the device in Hz.
> +
> + reg:
> + maxItems: 1
> +
> + '#address-cells':
> + const: 1
> +
> + '#size-cells':
> + const: 0
> +
> + interrupts:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - spi-max-frequency
> +
> +patternProperties:
> + '^reset-controller@[a-f0-9]+$':
> + $ref: ../reset/amd,pensando-elbasr-reset.yaml
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/reset/amd,pensando-elba-reset.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> + spi0 {
Just "spi"
> + #address-cells = <1>;
> + #size-cells = <0>;
> + num-cs = <4>;
> +
> + spi@0 {
"spi" is for SPI controllers. Use generic name matching the device.
Usually this is "system-controller", however Rob pointed out your
inaccurate bindings and example.
> + compatible = "amd,pensando-elbasr", "simple-mfd";
> + reg = <0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + spi-max-frequency = <12000000>;
> +
> + rstc: reset-controller@0 {
> + compatible = "amd,pensando-elbasr-reset";
> + reg = <0>;
> + #reset-cells = <1>;
> + };
> + };
> +
> + spi@1 {
> + compatible = "amd,pensando-elbasr", "simple-mfd";
> + reg = <1>;
> + spi-max-frequency = <12000000>;
> + };
> +
> + spi@2 {
> + compatible = "amd,pensando-elbasr", "simple-mfd";
> + reg = <2>;
> + spi-max-frequency = <12000000>;
> + interrupt-parent = <&porta>;
> + interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> + };
> +
> + spi@3 {
> + compatible = "amd,pensando-elbasr", "simple-mfd";
> + reg = <3>;
> + spi-max-frequency = <12000000>;
> + };
> + };
> +
> +...
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-06-20 13:01 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-13 19:56 [PATCH v5 00/15] Support AMD Pensando Elba SoC Brad Larson
2022-06-13 19:56 ` [PATCH v5 01/15] dt-bindings: arm: add AMD Pensando boards Brad Larson
2022-06-14 21:16 ` Rob Herring
2022-06-20 12:48 ` Krzysztof Kozlowski
2022-06-13 19:56 ` [PATCH v5 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC binding Brad Larson
2022-06-14 21:22 ` Rob Herring
2022-07-03 23:08 ` Brad Larson
2022-06-20 12:50 ` Krzysztof Kozlowski
2022-07-03 23:11 ` Brad Larson
2022-06-13 19:56 ` [PATCH v5 03/15] dt-bindings: spi: cdns: Add compatible for AMD Pensando Elba SoC Brad Larson
2022-06-14 21:23 ` Rob Herring
2022-06-20 12:51 ` Krzysztof Kozlowski
2022-06-13 19:56 ` [PATCH v5 04/15] dt-bindings: spi: dw: Add AMD Pensando Elba SoC SPI Controller bindings Brad Larson
2022-06-14 21:23 ` Rob Herring
2022-06-20 19:30 ` Serge Semin
2022-06-20 19:46 ` Krzysztof Kozlowski
2022-06-20 20:04 ` Serge Semin
2022-06-21 7:00 ` Krzysztof Kozlowski
2022-06-21 10:11 ` Serge Semin
2022-07-03 23:58 ` Brad Larson
2022-07-04 13:18 ` Serge Semin
2022-06-13 19:56 ` [PATCH v5 05/15] dt-bindings: mfd: syscon: Add amd,pensando-elba-syscon compatible Brad Larson
2022-06-14 21:24 ` Rob Herring
2022-06-13 19:56 ` [PATCH v5 06/15] dt-bindings: mfd: amd,pensando-elbasr: Add AMD Pensando Elba System Resource chip Brad Larson
2022-06-14 21:30 ` Rob Herring
2022-07-03 23:30 ` Brad Larson
2022-06-20 12:56 ` Krzysztof Kozlowski [this message]
2022-07-03 23:41 ` Brad Larson
2022-07-05 9:46 ` Krzysztof Kozlowski
2022-06-13 19:56 ` [PATCH v5 07/15] dt-bindings: reset: amd,pensando-elbasr-reset: Add AMD Pensando SR Reset Controller bindings Brad Larson
2022-06-14 21:32 ` Rob Herring
2022-07-03 23:34 ` Brad Larson
2022-06-20 13:00 ` Krzysztof Kozlowski
2022-07-03 23:50 ` Brad Larson
2022-07-04 6:41 ` Krzysztof Kozlowski
2022-07-05 18:28 ` Brad Larson
2022-07-05 18:30 ` Krzysztof Kozlowski
2022-06-13 19:56 ` [PATCH v5 08/15] MAINTAINERS: Add entry for AMD PENSANDO Brad Larson
2022-06-13 19:56 ` [PATCH v5 09/15] arm64: Add config for AMD Pensando SoC platforms Brad Larson
2022-06-13 19:56 ` [PATCH v5 10/15] arm64: dts: Add AMD Pensando Elba SoC support Brad Larson
2022-06-14 22:44 ` Krzysztof Kozlowski
2022-07-03 23:15 ` Brad Larson
2022-06-13 19:56 ` [PATCH v5 11/15] spi: cadence-quadspi: Add compatible for AMD Pensando Elba SoC Brad Larson
2022-06-14 8:48 ` Pratyush Yadav
2022-07-03 21:05 ` Brad Larson
2022-06-14 12:01 ` Mark Brown
2022-07-03 21:09 ` Brad Larson
2022-06-13 19:56 ` [PATCH v5 12/15] spi: dw: Add support " Brad Larson
2022-06-14 11:10 ` Andy Shevchenko
2022-07-03 21:14 ` Brad Larson
2022-06-13 19:56 ` [PATCH v5 13/15] mmc: sdhci-cadence: Add AMD Pensando Elba SoC support Brad Larson
2022-06-14 11:19 ` Andy Shevchenko
2022-07-03 21:42 ` Brad Larson
2022-06-13 19:56 ` [PATCH v5 14/15] mfd: pensando-elbasr: Add AMD Pensando Elba System Resource chip Brad Larson
2022-06-14 11:42 ` Andy Shevchenko
2022-07-03 21:56 ` Brad Larson
2022-06-13 19:56 ` [PATCH v5 15/15] reset: elbasr: Add AMD Pensando Elba SR Reset Controller Brad Larson
2022-06-14 11:46 ` Andy Shevchenko
2022-07-03 22:06 ` Brad Larson
2022-06-14 14:49 ` Philipp Zabel
2022-07-03 22:03 ` Brad Larson
2022-06-14 21:34 ` Rob Herring
2022-07-03 23:24 ` Brad Larson
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