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11:02:34.4582 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: wQZwiFZU5nnN2xv/juma7DOF4oqxtzNAeM/TVwmB1coh0AXBUlhYiv2cm2Wkjx77lPYTcLee4/CkXwHIAxMBLXhj/Phi6i/NmuHquL7enUM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: ZRAP278MB0317 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CDE13A77 smtp.mailfrom=francesco.dolcini@toradex.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: toradex.com Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use sub-function of_compatible during probe, instead of using the node name. The code should not rely on the node names during probe, in addition to that the previously hard-coded node names are not compliant to the latest naming convention (they are not generic and they use underscores), and it was broken by mistake already once [1]. While doing this change `rotator` entry was removed, it is not used in any device tree file, there is no cell defined, it's just dead non-working code with no of_compatible for it. [1] commit 56086b5e804f ("ARM: dts: imx6qdl-apalis: Avoid underscore in nod= e name") Suggested-by: Ahmad Fatoum Signed-off-by: Francesco Dolcini --- drivers/mfd/stmpe.c | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index aeb9ea55f97d..90a07a94455f 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -23,6 +23,12 @@ #include #include "stmpe.h" =20 +#define STMPE_GPIO_COMPATIBLE "st,stmpe-gpio" +#define STMPE_KEYPAD_COMPATIBLE "st,stmpe-keypad" +#define STMPE_PWM_COMPATIBLE "st,stmpe-pwm" +#define STMPE_TS_COMPATIBLE "st,stmpe-ts" +#define STMPE_ADC_COMPATIBLE "st,stmpe-adc" + /** * struct stmpe_platform_data - STMPE platform data * @id: device id to distinguish between multiple STMPEs on the same board @@ -321,14 +327,14 @@ static struct resource stmpe_gpio_resources[] =3D { =20 static const struct mfd_cell stmpe_gpio_cell =3D { .name =3D "stmpe-gpio", - .of_compatible =3D "st,stmpe-gpio", + .of_compatible =3D STMPE_GPIO_COMPATIBLE, .resources =3D stmpe_gpio_resources, .num_resources =3D ARRAY_SIZE(stmpe_gpio_resources), }; =20 static const struct mfd_cell stmpe_gpio_cell_noirq =3D { .name =3D "stmpe-gpio", - .of_compatible =3D "st,stmpe-gpio", + .of_compatible =3D STMPE_GPIO_COMPATIBLE, /* gpio cell resources consist of an irq only so no resources here */ }; =20 @@ -350,7 +356,7 @@ static struct resource stmpe_keypad_resources[] =3D { =20 static const struct mfd_cell stmpe_keypad_cell =3D { .name =3D "stmpe-keypad", - .of_compatible =3D "st,stmpe-keypad", + .of_compatible =3D STMPE_KEYPAD_COMPATIBLE, .resources =3D stmpe_keypad_resources, .num_resources =3D ARRAY_SIZE(stmpe_keypad_resources), }; @@ -376,7 +382,7 @@ static struct resource stmpe_pwm_resources[] =3D { =20 static const struct mfd_cell stmpe_pwm_cell =3D { .name =3D "stmpe-pwm", - .of_compatible =3D "st,stmpe-pwm", + .of_compatible =3D STMPE_PWM_COMPATIBLE, .resources =3D stmpe_pwm_resources, .num_resources =3D ARRAY_SIZE(stmpe_pwm_resources), }; @@ -461,7 +467,7 @@ static struct resource stmpe_ts_resources[] =3D { =20 static const struct mfd_cell stmpe_ts_cell =3D { .name =3D "stmpe-ts", - .of_compatible =3D "st,stmpe-ts", + .of_compatible =3D STMPE_TS_COMPATIBLE, .resources =3D stmpe_ts_resources, .num_resources =3D ARRAY_SIZE(stmpe_ts_resources), }; @@ -484,7 +490,7 @@ static struct resource stmpe_adc_resources[] =3D { =20 static const struct mfd_cell stmpe_adc_cell =3D { .name =3D "stmpe-adc", - .of_compatible =3D "st,stmpe-adc", + .of_compatible =3D STMPE_ADC_COMPATIBLE, .resources =3D stmpe_adc_resources, .num_resources =3D ARRAY_SIZE(stmpe_adc_resources), }; @@ -1362,19 +1368,16 @@ static void stmpe_of_probe(struct stmpe_platform_da= ta *pdata, pdata->autosleep =3D (pdata->autosleep_timeout) ? true : false; =20 for_each_available_child_of_node(np, child) { - if (of_node_name_eq(child, "stmpe_gpio")) { + if (of_device_is_compatible(child, STMPE_GPIO_COMPATIBLE)) pdata->blocks |=3D STMPE_BLOCK_GPIO; - } else if (of_node_name_eq(child, "stmpe_keypad")) { + else if (of_device_is_compatible(child, STMPE_KEYPAD_COMPATIBLE)) pdata->blocks |=3D STMPE_BLOCK_KEYPAD; - } else if (of_node_name_eq(child, "stmpe_touchscreen")) { + else if (of_device_is_compatible(child, STMPE_TS_COMPATIBLE)) pdata->blocks |=3D STMPE_BLOCK_TOUCHSCREEN; - } else if (of_node_name_eq(child, "stmpe_adc")) { + else if (of_device_is_compatible(child, STMPE_ADC_COMPATIBLE)) pdata->blocks |=3D STMPE_BLOCK_ADC; - } else if (of_node_name_eq(child, "stmpe_pwm")) { + else if (of_device_is_compatible(child, STMPE_PWM_COMPATIBLE)) pdata->blocks |=3D STMPE_BLOCK_PWM; - } else if (of_node_name_eq(child, "stmpe_rotator")) { - pdata->blocks |=3D STMPE_BLOCK_ROTATOR; - } } } =20 --=20 2.25.1 From nobody Sat Apr 18 17:24:39 2026 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 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Signed-off-by: Francesco Dolcini Acked-by: Bartosz Golaszewski Reviewed-by: Linus Walleij --- Documentation/devicetree/bindings/gpio/gpio-stmpe.txt | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/gpio-stmpe.txt b/Docume= ntation/devicetree/bindings/gpio/gpio-stmpe.txt index a0e4cf885213..b33f8f02c0d7 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-stmpe.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-stmpe.txt @@ -8,8 +8,7 @@ Optional properties: - st,norequest-mask: bitmask specifying which GPIOs should _not_ be reque= stable due to different usage (e.g. touch, keypad) =20 -Node name must be stmpe_gpio and should be child node of stmpe node to whi= ch it -belongs. +Node should be child node of stmpe node to which it belongs. =20 Example: stmpe_gpio { --=20 2.25.1 From nobody Sat Apr 18 17:24:39 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on 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Signed-off-by: Francesco Dolcini --- Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml b/= Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml index 9049c699152f..333744a2159c 100644 --- a/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/st,stmpe-adc.yaml @@ -13,8 +13,7 @@ description: This ADC forms part of an ST microelectronics STMPE multifunction device= . The ADC is shared with the STMPE touchscreen. As a result some ADC relat= ed settings are specified in the parent node. - The node name myst be stmpe_adc and should be a child node of the stmpe = node - to which it belongs. + The node should be a child node of the stmpe node to which it belongs. =20 properties: compatible: --=20 2.25.1 From nobody Sat Apr 18 17:24:39 2026 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 25F1DCCA47C for ; Tue, 12 Jul 2022 11:02:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232901AbiGLLC5 convert rfc822-to-8bit (ORCPT ); Tue, 12 Jul 2022 07:02:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232829AbiGLLCq (ORCPT ); Tue, 12 Jul 2022 07:02:46 -0400 Received: from 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15.20.5417.026; Tue, 12 Jul 2022 11:02:35 +0000 From: Francesco Dolcini To: Lee Jones , Dmitry Torokhov , Maxime Coquelin , Alexandre Torgue , Rob Herring , Krzysztof Kozlowski CC: Francesco Dolcini , linux-input@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v1 4/4] dt-bindings: input: touchscreen: stmpe: Remove node name requirement Date: Tue, 12 Jul 2022 13:02:32 +0200 Message-ID: <20220712110232.329164-5-francesco.dolcini@toradex.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220712110232.329164-1-francesco.dolcini@toradex.com> References: <20220712110232.329164-1-francesco.dolcini@toradex.com> X-ClientProxiedBy: MR1P264CA0142.FRAP264.PROD.OUTLOOK.COM (2603:10a6:501:51::11) To ZRAP278MB0495.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:2e::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email 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11:02:35.2092 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: NTz4EGCqEMzwLMRKrPnjLQ82qGUngByD64V4HnCQQbErsDXCJp+x2/jZbUyS1I72xIC5BhnxyKRVOc97bG8iOkO/mYUjkK6vUx2RgaPoVLE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: ZRAP278MB0317 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CDE13A77 smtp.mailfrom=francesco.dolcini@toradex.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: toradex.com Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" STMPE driver does not require a specific node name anymore, only the compatible is checked, update binding according to this. Signed-off-by: Francesco Dolcini --- Documentation/devicetree/bindings/input/touchscreen/stmpe.txt | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt = b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt index c549924603d2..238b51555c04 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt @@ -54,8 +54,7 @@ Optional properties common with MFD (deprecated): 1 -> 3.25 MHz 2 || 3 -> 6.5 MHz =20 -Node name must be stmpe_touchscreen and should be child node of stmpe node= to -which it belongs. +Node should be child node of stmpe node to which it belongs. =20 Note that common ADC settings of stmpe_touchscreen (child) will take prece= dence over the settings done in MFD. --=20 2.25.1