From: Brad Larson <brad@pensando.io> To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, adrian.hunter@intel.com, alcooperx@gmail.com, andy.shevchenko@gmail.com, arnd@arndb.de, brad@pensando.io, blarson@amd.com, brendan.higgins@linux.dev, briannorris@chromium.org, brijeshkumar.singh@amd.com, catalin.marinas@arm.com, davidgow@google.com, gsomlo@gmail.com, gerg@linux-m68k.org, krzk@kernel.org, krzysztof.kozlowski+dt@linaro.org, lee@kernel.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, skhan@linuxfoundation.org, suravee.suthikulpanit@amd.com, thomas.lendacky@amd.com, tonyhuang.sunplus@gmail.com, ulf.hansson@linaro.org, vaishnav.a@ti.com, will@kernel.org, devicetree@vger.kernel.org Subject: [PATCH v9 06/15] dt-bindings: mfd: amd,pensando-elbasr: Add AMD Pensando System Resource chip Date: Wed, 18 Jan 2023 19:39:09 -0800 [thread overview] Message-ID: <20230119033918.44117-7-blarson@amd.com> (raw) In-Reply-To: <20230119033918.44117-1-blarson@amd.com> Add support for the AMD Pensando SoC System Resource chip using the SPI interface. The device functions are accessed using four chip-selects. This device is present for all Pensando SoC designs. Signed-off-by: Brad Larson <blarson@amd.com> --- Changes since v6: - Instead of four nodes, one per chip-select, a single node is used with reset-cells in the parent. - No MFD API is used anymore in the driver so it made sense to move this to drivers/spi. - This driver is common for all Pensando SoC based designs so changed the name to pensando-sr.c to not make it Elba SoC specific. - Added property cs for the chip-select number which is used by the driver to create /dev/pensr0.<cs> --- .../bindings/spi/amd,pensando-sr.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml diff --git a/Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml b/Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml new file mode 100644 index 000000000000..8504652f6e19 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/amd,pensando-sr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AMD Pensando SoC Resource Controller + +description: | + AMD Pensando SoC Resource Controller is a set of + control/status registers accessed on four chip-selects. + This device is present in all Pensando SoC based designs. + +maintainers: + - Brad Larson <blarson@amd.com> + +properties: + compatible: + contains: + enum: + - amd,pensando-sr + + reg: + minItems: 1 + + cs: + minItems: 1 + maxItems: 4 + description: + Device chip select + + '#reset-cells': + const: 1 + + interrupts: + maxItems: 1 + + spi-max-frequency: true + +required: + - compatible + - cs + - spi-max-frequency + - '#reset-cells' + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + num-cs = <4>; + + system-controller@0 { + compatible = "amd,pensando-sr"; + reg = <0>; + cs = <0 1 2 3>; + spi-max-frequency = <12000000>; + interrupt-parent = <&porta>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + #reset-cells = <1>; + }; + }; + +... -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Brad Larson <brad@pensando.io> To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-spi@vger.kernel.org, adrian.hunter@intel.com, alcooperx@gmail.com, andy.shevchenko@gmail.com, arnd@arndb.de, brad@pensando.io, blarson@amd.com, brendan.higgins@linux.dev, briannorris@chromium.org, brijeshkumar.singh@amd.com, catalin.marinas@arm.com, davidgow@google.com, gsomlo@gmail.com, gerg@linux-m68k.org, krzk@kernel.org, krzysztof.kozlowski+dt@linaro.org, lee@kernel.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, skhan@linuxfoundation.org, suravee.suthikulpanit@amd.com, thomas.lendacky@amd.com, tonyhuang.sunplus@gmail.com, ulf.hansson@linaro.org, vaishnav.a@ti.com, will@kernel.org, devicetree@vger.kernel.org Subject: [PATCH v9 06/15] dt-bindings: mfd: amd,pensando-elbasr: Add AMD Pensando System Resource chip Date: Wed, 18 Jan 2023 19:39:09 -0800 [thread overview] Message-ID: <20230119033918.44117-7-blarson@amd.com> (raw) In-Reply-To: <20230119033918.44117-1-blarson@amd.com> Add support for the AMD Pensando SoC System Resource chip using the SPI interface. The device functions are accessed using four chip-selects. This device is present for all Pensando SoC designs. Signed-off-by: Brad Larson <blarson@amd.com> --- Changes since v6: - Instead of four nodes, one per chip-select, a single node is used with reset-cells in the parent. - No MFD API is used anymore in the driver so it made sense to move this to drivers/spi. - This driver is common for all Pensando SoC based designs so changed the name to pensando-sr.c to not make it Elba SoC specific. - Added property cs for the chip-select number which is used by the driver to create /dev/pensr0.<cs> --- .../bindings/spi/amd,pensando-sr.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml diff --git a/Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml b/Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml new file mode 100644 index 000000000000..8504652f6e19 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/amd,pensando-sr.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/amd,pensando-sr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AMD Pensando SoC Resource Controller + +description: | + AMD Pensando SoC Resource Controller is a set of + control/status registers accessed on four chip-selects. + This device is present in all Pensando SoC based designs. + +maintainers: + - Brad Larson <blarson@amd.com> + +properties: + compatible: + contains: + enum: + - amd,pensando-sr + + reg: + minItems: 1 + + cs: + minItems: 1 + maxItems: 4 + description: + Device chip select + + '#reset-cells': + const: 1 + + interrupts: + maxItems: 1 + + spi-max-frequency: true + +required: + - compatible + - cs + - spi-max-frequency + - '#reset-cells' + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + num-cs = <4>; + + system-controller@0 { + compatible = "amd,pensando-sr"; + reg = <0>; + cs = <0 1 2 3>; + spi-max-frequency = <12000000>; + interrupt-parent = <&porta>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + #reset-cells = <1>; + }; + }; + +... -- 2.17.1
next prev parent reply other threads:[~2023-01-19 3:42 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-01-19 3:39 [PATCH v9 00/15] Support AMD Pensando Elba SoC Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 01/15] dt-bindings: arm: add AMD Pensando boards Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 03/15] dt-bindings: spi: cdns: Add compatible for " Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 04/15] dt-bindings: spi: dw: Add AMD Pensando Elba SoC SPI Controller bindings Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 05/15] dt-bindings: mfd: syscon: Add amd,pensando-elba-syscon compatible Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` Brad Larson [this message] 2023-01-19 3:39 ` [PATCH v9 06/15] dt-bindings: mfd: amd,pensando-elbasr: Add AMD Pensando System Resource chip Brad Larson 2023-01-19 3:39 ` [PATCH v9 07/15] MAINTAINERS: Add entry for AMD PENSANDO Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 08/15] arm64: Add config for AMD Pensando SoC platforms Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 09/15] arm64: dts: Add AMD Pensando Elba SoC support Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 10/15] spi: cadence-quadspi: Add compatible for AMD Pensando Elba SoC Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 11/15] spi: dw: Add support " Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 12/15] mmc: sdhci-cadence: Enable device specific override of writel() Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 13/15] mmc: sdhci-cadence: Add AMD Pensando Elba SoC support Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 14/15] mmc: sdhci-cadence: Support mmc hardware reset Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 8:57 ` Arnd Bergmann 2023-01-19 8:57 ` Arnd Bergmann 2023-02-07 1:51 ` Brad Larson 2023-02-07 1:51 ` Brad Larson 2023-01-19 3:39 ` [PATCH v9 15/15] spi: pensando-sr: Add AMD Pensando SoC System Resource Brad Larson 2023-01-19 3:39 ` Brad Larson 2023-01-19 9:22 ` Arnd Bergmann 2023-01-19 9:22 ` Arnd Bergmann 2023-01-19 3:51 [PATCH v9 00/15] Support AMD Pensando Elba SoC Brad Larson 2023-01-19 3:51 ` [PATCH v9 06/15] dt-bindings: mfd: amd,pensando-elbasr: Add AMD Pensando System Resource chip Brad Larson 2023-01-19 3:51 ` Brad Larson 2023-01-19 7:58 ` Krzysztof Kozlowski 2023-01-19 7:58 ` Krzysztof Kozlowski 2023-01-26 2:59 ` Brad Larson 2023-01-26 2:59 ` Brad Larson 2023-01-19 14:17 ` Lee Jones 2023-01-19 14:17 ` Lee Jones
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