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Mon, 02 Oct 2023 03:20:31 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id g18-20020a5d5552000000b003196b1bb528sm27822901wrw.64.2023.10.02.03.20.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Oct 2023 03:20:31 -0700 (PDT) From: Neil Armstrong Date: Mon, 02 Oct 2023 12:20:21 +0200 Subject: [PATCH v2 1/4] dt-bindings: soc: qcom: qcom,pmic-glink: add a gpio used to determine the Type-C port plug orientation MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231002-topic-sm8550-upstream-type-c-orientation-v2-1-125410d3ff95@linaro.org> References: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> In-Reply-To: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On SM8450 and SM8550 based platforms, the Type-C plug orientation is given = on a GPIO line for each connector which are set by the PMIC(s). Document this optional Type-C connector property, and take the assumption an active level represents an inverted/flipped orientation. Signed-off-by: Neil Armstrong --- .../devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml | 19 +++++++++++++++= ++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yam= l b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml index bceb479f74c5..422921cf1f82 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml @@ -35,6 +35,12 @@ properties: '#size-cells': const: 0 =20 + orientation-gpios: + description: Array of input gpios for the Type-C connector orientation= indication. + The GPIO indication is used to detect the orientation of the Type-C = connector. + The array should contain a gpio entry for each PMIC Glink connector,= in reg order. + It is defined that GPIO active level means "CC2" or Reversed/Flipped= orientation. + patternProperties: '^connector@\d$': $ref: /schemas/connector/usb-connector.yaml# @@ -44,6 +50,19 @@ patternProperties: required: - compatible =20 +allOf: + - if: + not: + properties: + compatible: + contains: + enum: + - qcom,sm8450-pmic-glink + - qcom,sm8550-pmic-glink + then: + properties: + orientation-gpios: false + additionalProperties: false =20 examples: --=20 2.34.1 From nobody Thu Sep 11 15:02:04 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 598D6E784B0 for ; 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Mon, 02 Oct 2023 03:20:32 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id g18-20020a5d5552000000b003196b1bb528sm27822901wrw.64.2023.10.02.03.20.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Oct 2023 03:20:32 -0700 (PDT) From: Neil Armstrong Date: Mon, 02 Oct 2023 12:20:22 +0200 Subject: [PATCH v2 2/4] usb: ucsi: glink: use the connector orientation GPIO to provide switch events MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231002-topic-sm8550-upstream-type-c-orientation-v2-2-125410d3ff95@linaro.org> References: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> In-Reply-To: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On SM8550, the non-altmode orientation is not given anymore within altmode events, even with USB SVIDs events. On the other side, the Type-C connector orientation is correctly reported by a signal from the PMIC. Take this gpio signal when we detect some Type-C port activity to notify any Type-C switches tied to the Type-C port connectors. Acked-by: Heikki Krogerus Signed-off-by: Neil Armstrong Acked-by: Konrad Dybcio Reviewed-by: Dmitry Baryshkov --- drivers/usb/typec/ucsi/ucsi_glink.c | 54 +++++++++++++++++++++++++++++++++= +++- 1 file changed, 53 insertions(+), 1 deletion(-) diff --git a/drivers/usb/typec/ucsi/ucsi_glink.c b/drivers/usb/typec/ucsi/u= csi_glink.c index bb1854b3311d..db6e248f8208 100644 --- a/drivers/usb/typec/ucsi/ucsi_glink.c +++ b/drivers/usb/typec/ucsi/ucsi_glink.c @@ -8,9 +8,13 @@ #include #include #include +#include +#include #include #include "ucsi.h" =20 +#define PMIC_GLINK_MAX_PORTS 2 + #define UCSI_BUF_SIZE 48 =20 #define MSG_TYPE_REQ_RESP 1 @@ -52,6 +56,9 @@ struct ucsi_notify_ind_msg { struct pmic_glink_ucsi { struct device *dev; =20 + struct gpio_desc *port_orientation[PMIC_GLINK_MAX_PORTS]; + struct typec_switch *port_switch[PMIC_GLINK_MAX_PORTS]; + struct pmic_glink_client *client; =20 struct ucsi *ucsi; @@ -220,8 +227,20 @@ static void pmic_glink_ucsi_notify(struct work_struct = *work) } =20 con_num =3D UCSI_CCI_CONNECTOR(cci); - if (con_num) + if (con_num) { + if (con_num < PMIC_GLINK_MAX_PORTS && + ucsi->port_orientation[con_num - 1]) { + int orientation =3D gpiod_get_value(ucsi->port_orientation[con_num - 1]= ); + + if (orientation >=3D 0) { + typec_switch_set(ucsi->port_switch[con_num - 1], + orientation ? TYPEC_ORIENTATION_REVERSE + : TYPEC_ORIENTATION_NORMAL); + } + } + ucsi_connector_change(ucsi->ucsi, con_num); + } =20 if (ucsi->sync_pending && cci & UCSI_CCI_BUSY) { ucsi->sync_val =3D -EBUSY; @@ -282,6 +301,7 @@ static int pmic_glink_ucsi_probe(struct auxiliary_devic= e *adev, { struct pmic_glink_ucsi *ucsi; struct device *dev =3D &adev->dev; + struct fwnode_handle *fwnode; int ret; =20 ucsi =3D devm_kzalloc(dev, sizeof(*ucsi), GFP_KERNEL); @@ -309,6 +329,38 @@ static int pmic_glink_ucsi_probe(struct auxiliary_devi= ce *adev, =20 ucsi_set_drvdata(ucsi->ucsi, ucsi); =20 + device_for_each_child_node(dev, fwnode) { + struct gpio_desc *desc; + u32 port; + + ret =3D fwnode_property_read_u32(fwnode, "reg", &port); + if (ret < 0) { + dev_err(dev, "missing reg property of %pOFn\n", fwnode); + return ret; + } + + if (port >=3D PMIC_GLINK_MAX_PORTS) { + dev_warn(dev, "invalid connector number, ignoring\n"); + continue; + } + + desc =3D devm_gpiod_get_index_optional(&adev->dev, "orientation", port, = GPIOD_IN); + + /* If GPIO isn't found, continue */ + if (!desc) + continue; + + if (IS_ERR(desc)) + return dev_err_probe(dev, PTR_ERR(desc), + "unable to acquire orientation gpio\n"); + ucsi->port_orientation[port] =3D desc; + + ucsi->port_switch[port] =3D fwnode_typec_switch_get(fwnode); + if (IS_ERR(ucsi->port_switch[port])) + return dev_err_probe(dev, PTR_ERR(ucsi->port_switch[port]), + "failed to acquire orientation-switch\n"); + } + ucsi->client =3D devm_pmic_glink_register_client(dev, PMIC_GLINK_OWNER_USBC, pmic_glink_ucsi_callback, --=20 2.34.1 From nobody Thu Sep 11 15:02:04 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3BE5DE784B2 for ; Mon, 2 Oct 2023 10:20:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236483AbjJBKUs (ORCPT ); Mon, 2 Oct 2023 06:20:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236460AbjJBKUo (ORCPT ); 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Mon, 02 Oct 2023 03:20:33 -0700 (PDT) From: Neil Armstrong Date: Mon, 02 Oct 2023 12:20:23 +0200 Subject: [PATCH v2 3/4] arm64: dts: qcom: sm8550-mtp: add orientation gpio MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231002-topic-sm8550-upstream-type-c-orientation-v2-3-125410d3ff95@linaro.org> References: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> In-Reply-To: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=699; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=BjxzEAOolZvc3hk0QYwVsWUnWZ+uxvbK+ElgxTWpJAY=; 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Signed-off-by: Neil Armstrong Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/= qcom/sm8550-mtp.dts index 5b3488736fbe..9a70875028b7 100644 --- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts @@ -59,6 +59,7 @@ pmic-glink { compatible =3D "qcom,sm8550-pmic-glink", "qcom,pmic-glink"; #address-cells =3D <1>; #size-cells =3D <0>; + orientation-gpios =3D <&tlmm 11 GPIO_ACTIVE_HIGH>; =20 connector@0 { compatible =3D "usb-c-connector"; --=20 2.34.1 From nobody Thu Sep 11 15:02:04 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14370E7849A for ; Mon, 2 Oct 2023 10:20:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236506AbjJBKUx (ORCPT ); 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Mon, 02 Oct 2023 03:20:34 -0700 (PDT) From: Neil Armstrong Date: Mon, 02 Oct 2023 12:20:24 +0200 Subject: [PATCH v2 4/4] arm64: dts: qcom: sm8550-qrd: add orientation gpio MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20231002-topic-sm8550-upstream-type-c-orientation-v2-4-125410d3ff95@linaro.org> References: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> In-Reply-To: <20231002-topic-sm8550-upstream-type-c-orientation-v2-0-125410d3ff95@linaro.org> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heikki Krogerus , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=699; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=a52yWfSl6rve1rSnFAPH6wMN+d5/XtEIEhMbM7TvYMs=; 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Signed-off-by: Neil Armstrong Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/= qcom/sm8550-qrd.dts index 320662024e89..eef811def39b 100644 --- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts +++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts @@ -77,6 +77,7 @@ pmic-glink { compatible =3D "qcom,sm8550-pmic-glink", "qcom,pmic-glink"; #address-cells =3D <1>; #size-cells =3D <0>; + orientation-gpios =3D <&tlmm 11 GPIO_ACTIVE_HIGH>; =20 connector@0 { compatible =3D "usb-c-connector"; --=20 2.34.1