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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240412-pinctrl-scmi-oem-v1-v1-1-704f242544c1@nxp.com> References: <20240412-pinctrl-scmi-oem-v1-v1-0-704f242544c1@nxp.com> In-Reply-To: <20240412-pinctrl-scmi-oem-v1-v1-0-704f242544c1@nxp.com> To: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Peng Fan , Sudeep Holla , Cristian Marussi Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1712881775; l=1964; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=iQ5C8P2+nJngpEg/AqIqeTnK6q9nbUkwKAvc5cu1n/4=; b=VgjA22wruttJRv5+7OI5Po4ODCYDVYw0d3PFGY3skG5+6o/Kp8vDZBVvDWGEpiQCdnuVjBl2z vUSki43tqV0C3YlIsWMhm0vL3KwKyE4BcELbPIPwopulXuR5ynnX0lh X-Developer-Key: i=peng.fan@nxp.com; a=ed25519; pk=I4sJg7atIT1g63H7bb5lDRGR2gJW14RKDD0wFL8TT1g= X-ClientProxiedBy: SI2P153CA0030.APCP153.PROD.OUTLOOK.COM (2603:1096:4:190::15) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|AM8PR04MB7970:EE_ X-MS-Office365-Filtering-Correlation-Id: cf21b74f-28af-4f3d-9107-08dc5a867e88 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This patch is to add i.MX95 Pinctrl OEM extensions properties. Signed-off-by: Peng Fan --- .../bindings/pinctrl/nxp,imx95-pinctrl.yaml | 44 ++++++++++++++++++= ++++ 1 file changed, 44 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/nxp,imx95-pinctrl.ya= ml b/Documentation/devicetree/bindings/pinctrl/nxp,imx95-pinctrl.yaml new file mode 100644 index 000000000000..4bf7a6192813 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/nxp,imx95-pinctrl.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2024 NXP +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/nxp,imx95-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: i.MX System Control and Management Interface (SCMI) Pinctrl Protocol + +maintainers: + - Peng Fan + +patternProperties: + '-pins$': false + 'grp$': + type: object + + properties: + $nodename: + pattern: "^[0-9a-f]+$" + + pins: + $ref: /schemas/types.yaml#/definitions/string + description: name of the pin + + nxp,func-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: high impedance mode ("third-state", "floating") + + nxp,pin-conf: + $ref: /schemas/types.yaml#/definitions/uint32 + description: latch weakly + + nxp,daisy-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: pull up the pin. Takes as optional argument on hardwa= re + supporting it the pull strength in Ohm. + + nxp,daisy-conf: + $ref: /schemas/types.yaml#/definitions/uint32 + description: pull down the pin. 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Signed-off-by: Peng Fan --- Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Doc= umentation/devicetree/bindings/firmware/arm,scmi.yaml index e9d3f043c4ed..ebc6c083b538 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -249,9 +249,11 @@ properties: =20 protocol@19: type: object - allOf: - - $ref: '#/$defs/protocol-node' - - $ref: /schemas/pinctrl/pinctrl.yaml + anyOf: + - $ref: /schemas/pinctrl/nxp,imx95-pinctrl.yaml + - allOf: + - $ref: '#/$defs/protocol-node' + - $ref: /schemas/pinctrl/pinctrl.yaml =20 unevaluatedProperties: false =20 --=20 2.37.1 From nobody Sun Feb 8 18:39:30 2026 Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on2067.outbound.protection.outlook.com [40.107.22.67]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CF55DDDF; 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Signed-off-by: Peng Fan --- drivers/pinctrl/pinctrl-scmi.c | 23 +++++++++++++++++++++++ drivers/pinctrl/pinctrl-scmi.h | 15 +++++++++++++++ 2 files changed, 38 insertions(+) diff --git a/drivers/pinctrl/pinctrl-scmi.c b/drivers/pinctrl/pinctrl-scmi.c index 0f55f000a679..97c3d9d4634b 100644 --- a/drivers/pinctrl/pinctrl-scmi.c +++ b/drivers/pinctrl/pinctrl-scmi.c @@ -20,6 +20,7 @@ #include #include =20 +#include "pinctrl-scmi.h" #include "pinctrl-utils.h" #include "core.h" #include "pinconf.h" @@ -462,6 +463,23 @@ static const struct pinconf_ops pinctrl_scmi_pinconf_o= ps =3D { .pin_config_config_dbg_show =3D pinconf_generic_dump_config, }; =20 +static const struct pinconf_generic_params pinctrl_scmi_oem_dt_params[] = =3D { + {"nxp,func-id", IMX_SCMI_PIN_MUX, -1}, + {"nxp,daisy-id", IMX_SCMI_PIN_DAISY_ID, -1}, + {"nxp,daisy-conf", IMX_SCMI_PIN_DAISY_CFG, -1}, + {"nxp,pin-conf", IMX_SCMI_PIN_CONF, -1}, +}; + +#ifdef CONFIG_DEBUG_FS +static const +struct pin_config_item pinctrl_scmi_oem_conf_items[ARRAY_SIZE(pinctrl_scmi= _oem_dt_params)] =3D { + PCONFDUMP(IMX_SCMI_PIN_MUX, "FUNC-ID", NULL, true), + PCONFDUMP(IMX_SCMI_PIN_DAISY_ID, "DAISY-ID", NULL, true), + PCONFDUMP(IMX_SCMI_PIN_DAISY_CFG, "DAISY-CFG", NULL, true), + PCONFDUMP(IMX_SCMI_PIN_CONF, "PIN-CONF", NULL, true), +}; +#endif + static int pinctrl_scmi_get_pins(struct scmi_pinctrl *pmx, struct pinctrl_desc *desc) { @@ -526,6 +544,11 @@ static int scmi_pinctrl_probe(struct scmi_device *sdev) pmx->pctl_desc.pctlops =3D &pinctrl_scmi_pinctrl_ops; pmx->pctl_desc.pmxops =3D &pinctrl_scmi_pinmux_ops; pmx->pctl_desc.confops =3D &pinctrl_scmi_pinconf_ops; + pmx->pctl_desc.custom_params =3D pinctrl_scmi_oem_dt_params; + pmx->pctl_desc.num_custom_params =3D ARRAY_SIZE(pinctrl_scmi_oem_dt_param= s); +#ifdef CONFIG_DEBUG_FS + pmx->pctl_desc.custom_conf_items =3D pinctrl_scmi_oem_conf_items; +#endif =20 ret =3D pinctrl_scmi_get_pins(pmx, &pmx->pctl_desc); if (ret) diff --git a/drivers/pinctrl/pinctrl-scmi.h b/drivers/pinctrl/pinctrl-scmi.h new file mode 100644 index 000000000000..fcc61bc19c98 --- /dev/null +++ b/drivers/pinctrl/pinctrl-scmi.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2024 NXP + */ + +#ifndef __DRIVERS_PINCTRL_SCMI_H +#define __DRIVERS_PINCTRL_SCMI_H + +/* OEM VENDOR Pin Configuration Type */ +#define IMX_SCMI_PIN_MUX 192 +#define IMX_SCMI_PIN_CONF 193 +#define IMX_SCMI_PIN_DAISY_ID 194 +#define IMX_SCMI_PIN_DAISY_CFG 195 + +#endif /* __DRIVERS_PINCTRL_SCMI_H */ --=20 2.37.1