From patchwork Mon Nov 21 17:17:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 628039 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 9E0E7C433FE for ; Mon, 21 Nov 2022 17:19:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231441AbiKURTa convert rfc822-to-8bit (ORCPT ); Mon, 21 Nov 2022 12:19:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231450AbiKURTN (ORCPT ); Mon, 21 Nov 2022 12:19:13 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B111958E; Mon, 21 Nov 2022 09:17:51 -0800 (PST) Received: (Authenticated sender: foss@0leil.net) by mail.gandi.net (Postfix) with ESMTPSA id 655B060006; Mon, 21 Nov 2022 17:17:43 +0000 (UTC) From: Quentin Schulz To: Shawn Guo , Krzysztof Kozlowski , Heiko Stuebner , Samuel Holland , Bjorn Andersson , Konrad Dybcio , Fabio Estevam , Jernej Skrabec , Bastien Nocera , Chen-Yu Tsai , Sascha Hauer , Pengutronix Kernel Team , Hans de Goede , Andy Gross , Rob Herring , NXP Linux Team , Dmitry Torokhov Cc: Quentin Schulz , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH RFC v2 1/7] Input: goodix - fix reset polarity Date: Mon, 21 Nov 2022 18:17:18 +0100 Message-Id: <20221103-upstream-goodix-reset-v2-1-2c38fb03a300@theobroma-systems.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> References: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> MIME-Version: 1.0 X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Quentin Schulz The reset line is asserted for selecting the I2C target address and then deasserted. This inverted logic works because the boards using this touchscreen controller also invert the polarity of their reset GPIO. Instead of depending on this double-inversion of meaning, let's *assert* the line. Signed-off-by: Quentin Schulz --- Changes in v2: - implemented ACPI support as suggested by Hans, - added comment on how to read gpiod_request_output and the GPIO DT polarity, drivers/input/touchscreen/goodix.c | 45 +++++++++++++++++++++++++++++--------- 1 file changed, 35 insertions(+), 10 deletions(-) diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index a33cc7950cf5b..da10cbb6f8264 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -742,8 +742,25 @@ int goodix_reset_no_int_sync(struct goodix_ts_data *ts) { int error; - /* begin select I2C slave addr */ - error = gpiod_direction_output(ts->gpiod_rst, 0); + /* + * begin select I2C slave addr by activating/asserting RESET. + * + * The value passed to gpiod_direction_output is decorrelated from the + * actual physical state of the line. The 1 value here is just to + * specify the *assertion* of the line, its meaning being dependent on + * the HW design of the system. + * + * DT-based systems need to specify the GPIO level in which the reset is + * active. Since the touchscreen controller is in reset when its RESET + * line is low, it is the level of the GPIO that results in the RESET + * pin on the touchscreen controller side being low. In a HW design in + * which the GPIO is directly connected to the touchscreen controller + * RESET pin, this would be GPIO_ACTIVE_LOW. + * + * ACPI systems do not have the ability to specify the level of the GPIO + * and they are therefore all assumed active low. + */ + error = gpiod_direction_output(ts->gpiod_rst, 1); if (error) goto error; @@ -756,7 +773,8 @@ int goodix_reset_no_int_sync(struct goodix_ts_data *ts) usleep_range(100, 2000); /* T3: > 100us */ - error = gpiod_direction_output(ts->gpiod_rst, 1); + /* Disable/de-assert RESET */ + error = gpiod_direction_output(ts->gpiod_rst, 0); if (error) goto error; @@ -797,23 +815,30 @@ static int goodix_reset(struct goodix_ts_data *ts) } #ifdef ACPI_GPIO_SUPPORT -static const struct acpi_gpio_params first_gpio = { 0, 0, false }; -static const struct acpi_gpio_params second_gpio = { 1, 0, false }; +static const struct acpi_gpio_params int_first_gpio = { 0, 0, false }; +static const struct acpi_gpio_params int_second_gpio = { 1, 0, false }; + +/* + * The controller is in reset when the RESET GPIO is output low, so + * set acpi_gpio_params.active_low appropriately. + */ +static const struct acpi_gpio_params rst_first_gpio = { 0, 0, true }; +static const struct acpi_gpio_params rst_second_gpio = { 1, 0, true }; static const struct acpi_gpio_mapping acpi_goodix_int_first_gpios[] = { - { GOODIX_GPIO_INT_NAME "-gpios", &first_gpio, 1 }, - { GOODIX_GPIO_RST_NAME "-gpios", &second_gpio, 1 }, + { GOODIX_GPIO_INT_NAME "-gpios", &int_first_gpio, 1 }, + { GOODIX_GPIO_RST_NAME "-gpios", &rst_second_gpio, 1 }, { }, }; static const struct acpi_gpio_mapping acpi_goodix_int_last_gpios[] = { - { GOODIX_GPIO_RST_NAME "-gpios", &first_gpio, 1 }, - { GOODIX_GPIO_INT_NAME "-gpios", &second_gpio, 1 }, + { GOODIX_GPIO_RST_NAME "-gpios", &rst_first_gpio, 1 }, + { GOODIX_GPIO_INT_NAME "-gpios", &int_second_gpio, 1 }, { }, }; static const struct acpi_gpio_mapping acpi_goodix_reset_only_gpios[] = { - { GOODIX_GPIO_RST_NAME "-gpios", &first_gpio, 1 }, + { GOODIX_GPIO_RST_NAME "-gpios", &rst_first_gpio, 1 }, { }, }; From patchwork Mon Nov 21 17:17:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 627295 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 AA3FAC43217 for ; Mon, 21 Nov 2022 17:19:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231570AbiKURTl (ORCPT ); Mon, 21 Nov 2022 12:19:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230411AbiKURTP (ORCPT ); Mon, 21 Nov 2022 12:19:15 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14CF71C43C; Mon, 21 Nov 2022 09:17:56 -0800 (PST) Received: (Authenticated sender: foss@0leil.net) by mail.gandi.net (Postfix) with ESMTPSA id 4825B60007; Mon, 21 Nov 2022 17:17:50 +0000 (UTC) From: Quentin Schulz To: Shawn Guo , Krzysztof Kozlowski , Heiko Stuebner , Samuel Holland , Bjorn Andersson , Konrad Dybcio , Fabio Estevam , Jernej Skrabec , Bastien Nocera , Chen-Yu Tsai , Sascha Hauer , Pengutronix Kernel Team , Hans de Goede , Andy Gross , Rob Herring , NXP Linux Team , Dmitry Torokhov Cc: Quentin Schulz , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH RFC v2 2/7] ARM: dts: imx: fix touchscreen reset GPIO polarity Date: Mon, 21 Nov 2022 18:17:19 +0100 Message-Id: <20221103-upstream-goodix-reset-v2-2-2c38fb03a300@theobroma-systems.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> References: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> MIME-Version: 1.0 X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Quentin Schulz The reset line is active low for the Goodix touchscreen controller so let's fix the polarity in the Device Tree node. Signed-off-by: Quentin Schulz --- arch/arm/boot/dts/imx6q-kp.dtsi | 2 +- arch/arm/boot/dts/imx6ul-kontron-bl-43.dts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx6q-kp.dtsi b/arch/arm/boot/dts/imx6q-kp.dtsi index 1ade0bff681d6..dae14aaf803a8 100644 --- a/arch/arm/boot/dts/imx6q-kp.dtsi +++ b/arch/arm/boot/dts/imx6q-kp.dtsi @@ -188,7 +188,7 @@ touchscreen@5d { interrupt-parent = <&gpio1>; interrupts = <9 IRQ_TYPE_EDGE_FALLING>; irq-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; }; ds1307: rtc@32 { diff --git a/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts b/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts index 0c643706a158b..767ef5da76136 100644 --- a/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts +++ b/arch/arm/boot/dts/imx6ul-kontron-bl-43.dts @@ -29,7 +29,7 @@ touchscreen@5d { pinctrl-0 = <&pinctrl_cap_touch>; interrupt-parent = <&gpio5>; interrupts = <6 IRQ_TYPE_LEVEL_LOW>; - reset-gpios = <&gpio5 8 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio5 8 GPIO_ACTIVE_LOW>; irq-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>; }; }; From patchwork Mon Nov 21 17:17:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 628038 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 2CF97C4321E for ; Mon, 21 Nov 2022 17:19:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231366AbiKURTp (ORCPT ); Mon, 21 Nov 2022 12:19:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231361AbiKURTT (ORCPT ); Mon, 21 Nov 2022 12:19:19 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C82D7ECB9; Mon, 21 Nov 2022 09:18:03 -0800 (PST) Received: (Authenticated sender: foss@0leil.net) by mail.gandi.net (Postfix) with ESMTPSA id DF4356000C; Mon, 21 Nov 2022 17:17:55 +0000 (UTC) From: Quentin Schulz To: Shawn Guo , Krzysztof Kozlowski , Heiko Stuebner , Samuel Holland , Bjorn Andersson , Konrad Dybcio , Fabio Estevam , Jernej Skrabec , Bastien Nocera , Chen-Yu Tsai , Sascha Hauer , Pengutronix Kernel Team , Hans de Goede , Andy Gross , Rob Herring , NXP Linux Team , Dmitry Torokhov Cc: Quentin Schulz , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH RFC v2 3/7] ARM: dts: sunxi: fix touchscreen reset GPIO polarity Date: Mon, 21 Nov 2022 18:17:20 +0100 Message-Id: <20221103-upstream-goodix-reset-v2-3-2c38fb03a300@theobroma-systems.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> References: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> MIME-Version: 1.0 X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Quentin Schulz The reset line is active low for the Goodix touchscreen controller so let's fix the polarity in the Device Tree node. Signed-off-by: Quentin Schulz --- arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts index fef02fcbbdf82..8c79ecdb40608 100644 --- a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts +++ b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts @@ -114,7 +114,7 @@ gt911: touchscreen@5d { interrupt-parent = <&pio>; interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */ irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */ - reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */ + reset-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>; /* RST (PB13) */ touchscreen-swapped-x-y; }; }; From patchwork Mon Nov 21 17:17:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 627294 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 32C5CC4332F for ; Mon, 21 Nov 2022 17:19:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229720AbiKURTr (ORCPT ); Mon, 21 Nov 2022 12:19:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230477AbiKURTV (ORCPT ); Mon, 21 Nov 2022 12:19:21 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CFDC17FF03; Mon, 21 Nov 2022 09:18:09 -0800 (PST) Received: (Authenticated sender: foss@0leil.net) by mail.gandi.net (Postfix) with ESMTPSA id 849AF6000B; Mon, 21 Nov 2022 17:18:02 +0000 (UTC) From: Quentin Schulz To: Shawn Guo , Krzysztof Kozlowski , Heiko Stuebner , Samuel Holland , Bjorn Andersson , Konrad Dybcio , Fabio Estevam , Jernej Skrabec , Bastien Nocera , Chen-Yu Tsai , Sascha Hauer , Pengutronix Kernel Team , Hans de Goede , Andy Gross , Rob Herring , NXP Linux Team , Dmitry Torokhov Cc: Quentin Schulz , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH RFC v2 4/7] arm64: dts: allwinner: fix touchscreen reset GPIO polarity Date: Mon, 21 Nov 2022 18:17:21 +0100 Message-Id: <20221103-upstream-goodix-reset-v2-4-2c38fb03a300@theobroma-systems.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> References: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> MIME-Version: 1.0 X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Quentin Schulz The reset line is active low for the Goodix touchscreen controller so let's fix the polarity in the Device Tree node. Signed-off-by: Quentin Schulz --- arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts | 2 +- arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts | 2 +- arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 2 +- arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts index 8233582f62881..5fd581037d987 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts @@ -122,7 +122,7 @@ touchscreen@5d { interrupt-parent = <&pio>; interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>; irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* CTP-INT: PH4 */ - reset-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* CTP-RST: PH8 */ + reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>; /* CTP-RST: PH8 */ touchscreen-inverted-x; touchscreen-inverted-y; }; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts index 577f9e1d08a14..990f042f5a5b1 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts @@ -45,7 +45,7 @@ touchscreen@5d { interrupt-parent = <&pio>; interrupts = <7 4 IRQ_TYPE_EDGE_FALLING>; irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* CTP-INT: PH4 */ - reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* CTP-RST: PH11 */ + reset-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>; /* CTP-RST: PH11 */ touchscreen-inverted-x; touchscreen-inverted-y; }; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi index 87847116ab6d9..97359cc7f13e2 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi @@ -167,7 +167,7 @@ touchscreen@5d { interrupt-parent = <&pio>; interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */ irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ - reset-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */ + reset-gpios = <&pio 7 11 GPIO_ACTIVE_LOW>; /* PH11 */ AVDD28-supply = <®_ldo_io0>; VDDIO-supply = <®_ldo_io0>; touchscreen-size-x = <720>; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts index 0a5607f73049e..c0eccc753e3f5 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts @@ -189,7 +189,7 @@ touchscreen@5d { interrupt-parent = <&pio>; interrupts = <7 4 IRQ_TYPE_LEVEL_HIGH>; /* PH4 */ irq-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ - reset-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */ + reset-gpios = <&pio 7 8 GPIO_ACTIVE_LOW>; /* PH8 */ AVDD28-supply = <®_ldo_io1>; }; }; From patchwork Mon Nov 21 17:17:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 628037 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 241BCC4332F for ; Mon, 21 Nov 2022 17:19:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231615AbiKURTy (ORCPT ); Mon, 21 Nov 2022 12:19:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230444AbiKURTX (ORCPT ); Mon, 21 Nov 2022 12:19:23 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 244A11DC; Mon, 21 Nov 2022 09:18:15 -0800 (PST) Received: (Authenticated sender: foss@0leil.net) by mail.gandi.net (Postfix) with ESMTPSA id CF6E460013; Mon, 21 Nov 2022 17:18:08 +0000 (UTC) From: Quentin Schulz To: Shawn Guo , Krzysztof Kozlowski , Heiko Stuebner , Samuel Holland , Bjorn Andersson , Konrad Dybcio , Fabio Estevam , Jernej Skrabec , Bastien Nocera , Chen-Yu Tsai , Sascha Hauer , Pengutronix Kernel Team , Hans de Goede , Andy Gross , Rob Herring , NXP Linux Team , Dmitry Torokhov Cc: Quentin Schulz , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH RFC v2 5/7] arm64: dts: imx: fix touchscreen reset GPIO polarity Date: Mon, 21 Nov 2022 18:17:22 +0100 Message-Id: <20221103-upstream-goodix-reset-v2-5-2c38fb03a300@theobroma-systems.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> References: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> MIME-Version: 1.0 X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Quentin Schulz The reset line is active low for the Goodix touchscreen controller so let's fix the polarity in the Device Tree node. Signed-off-by: Quentin Schulz --- arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts | 2 +- arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts b/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts index 9fbbbb556c0b3..df7e5ae9698e1 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-prt8mm.dts @@ -107,7 +107,7 @@ touchscreeen@5d { interrupt-parent = <&gpio1>; interrupts = <8 IRQ_TYPE_NONE>; irq-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; }; temp-sense@70 { diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts index 6445c6b90b5bb..b038300812b1e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts @@ -542,7 +542,7 @@ touchscreen@5d { pinctrl-0 = <&pinctrl_ts>; interrupt-parent = <&gpio3>; interrupts = <0 IRQ_TYPE_LEVEL_LOW>; - reset-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio1 5 GPIO_ACTIVE_LOW>; irq-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>; touchscreen-size-x = <720>; touchscreen-size-y = <1440>; From patchwork Mon Nov 21 17:17:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 627293 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 03474C4321E for ; Mon, 21 Nov 2022 17:19:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231628AbiKURT4 convert rfc822-to-8bit (ORCPT ); Mon, 21 Nov 2022 12:19:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231479AbiKURTZ (ORCPT ); Mon, 21 Nov 2022 12:19:25 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE1DCC562B; Mon, 21 Nov 2022 09:18:21 -0800 (PST) Received: (Authenticated sender: foss@0leil.net) by mail.gandi.net (Postfix) with ESMTPSA id 0EE4960006; Mon, 21 Nov 2022 17:18:14 +0000 (UTC) From: Quentin Schulz To: Shawn Guo , Krzysztof Kozlowski , Heiko Stuebner , Samuel Holland , Bjorn Andersson , Konrad Dybcio , Fabio Estevam , Jernej Skrabec , Bastien Nocera , Chen-Yu Tsai , Sascha Hauer , Pengutronix Kernel Team , Hans de Goede , Andy Gross , Rob Herring , NXP Linux Team , Dmitry Torokhov Cc: Quentin Schulz , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH RFC v2 6/7] arm64: dts: qcom: fix touchscreen reset GPIO polarity Date: Mon, 21 Nov 2022 18:17:23 +0100 Message-Id: <20221103-upstream-goodix-reset-v2-6-2c38fb03a300@theobroma-systems.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> References: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> MIME-Version: 1.0 X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Quentin Schulz The reset line is active low for the Goodix touchscreen controller so let's fix the polarity in the Device Tree node. Signed-off-by: Quentin Schulz --- Changes in v2: - removed Qcom SC7180 Trogdor-based devices changes as they are not using this Goodix driver, arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts b/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts index 429ba57e20f71..8f738cade2652 100644 --- a/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts +++ b/arch/arm64/boot/dts/qcom/msm8998-fxtec-pro1.dts @@ -249,7 +249,7 @@ touchscreen@14 { reg = <0x14>; interrupt-parent = <&tlmm>; interrupts = <125 IRQ_TYPE_LEVEL_LOW>; - reset-gpios = <&tlmm 89 GPIO_ACTIVE_HIGH>; + reset-gpios = <&tlmm 89 GPIO_ACTIVE_LOW>; AVDD28-supply = <&vreg_l28_3p0>; VDDIO-supply = <&ts_vio_vreg>; pinctrl-names = "active"; From patchwork Mon Nov 21 17:17:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 628036 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 6DC0DC352A1 for ; Mon, 21 Nov 2022 17:19:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231481AbiKURT5 (ORCPT ); Mon, 21 Nov 2022 12:19:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230497AbiKURT0 (ORCPT ); Mon, 21 Nov 2022 12:19:26 -0500 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::223]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA296D2887; Mon, 21 Nov 2022 09:18:27 -0800 (PST) Received: (Authenticated sender: foss@0leil.net) by mail.gandi.net (Postfix) with ESMTPSA id ECFB16000B; Mon, 21 Nov 2022 17:18:20 +0000 (UTC) From: Quentin Schulz To: Shawn Guo , Krzysztof Kozlowski , Heiko Stuebner , Samuel Holland , Bjorn Andersson , Konrad Dybcio , Fabio Estevam , Jernej Skrabec , Bastien Nocera , Chen-Yu Tsai , Sascha Hauer , Pengutronix Kernel Team , Hans de Goede , Andy Gross , Rob Herring , NXP Linux Team , Dmitry Torokhov Cc: Quentin Schulz , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org Subject: [PATCH RFC v2 7/7] arm64: dts: rockchip: fix touchscreen reset GPIO polarity Date: Mon, 21 Nov 2022 18:17:24 +0100 Message-Id: <20221103-upstream-goodix-reset-v2-7-2c38fb03a300@theobroma-systems.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> References: <20221103-upstream-goodix-reset-v2-0-2c38fb03a300@theobroma-systems.com> MIME-Version: 1.0 X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Quentin Schulz The reset line is active low for the Goodix touchscreen controller so let's fix the polarity in the Device Tree node. Signed-off-by: Quentin Schulz --- arch/arm64/boot/dts/rockchip/px30-evb.dts | 2 +- arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi | 2 +- arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/px30-evb.dts b/arch/arm64/boot/dts/rockchip/px30-evb.dts index 07008d84434c1..7ecd38566e7e4 100644 --- a/arch/arm64/boot/dts/rockchip/px30-evb.dts +++ b/arch/arm64/boot/dts/rockchip/px30-evb.dts @@ -420,7 +420,7 @@ touchscreen@14 { interrupt-parent = <&gpio0>; interrupts = ; irq-gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>; - reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 RK_PB4 GPIO_ACTIVE_LOW>; VDDIO-supply = <&vcc3v3_lcd>; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi index 78157521e9449..e63491fb443be 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi @@ -588,7 +588,7 @@ touch: touchscreen@5d { AVDD28-supply = <&vcc3v0_touch>; VDDIO-supply = <&vcc3v0_touch>; irq-gpios = <&gpio4 RK_PD5 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio4 RK_PD6 GPIO_ACTIVE_LOW>; status = "disabled"; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts index 674792567fa6e..234531aaa430a 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts @@ -495,7 +495,7 @@ touchscreen0: goodix@14 { irq-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&touch_int &touch_rst>; - reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_LOW>; VDDIO-supply = <&vcc3v3_lcd0_n>; }; };