From patchwork Sat Nov 4 08:52:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 741151 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 183688475 for ; Sat, 4 Nov 2023 08:52:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=siemens.com header.i=jan.kiszka@siemens.com header.b="p+vuI95z" Received: from mta-64-228.siemens.flowmailer.net (mta-64-228.siemens.flowmailer.net [185.136.64.228]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6CCAD48 for ; Sat, 4 Nov 2023 01:52:23 -0700 (PDT) Received: by mta-64-228.siemens.flowmailer.net with ESMTPSA id 20231104085221243e56b51c3613ce28 for ; Sat, 04 Nov 2023 09:52:21 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=jan.kiszka@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=hHqaC22BDUX5wdFjuthGbc7/iEcww7bj2jxLI4CETgg=; b=p+vuI95z49Ud7hvUDopjStbVlqm5v/sKgKPj+Plq164K4q0Of7W+k7OhiFZNIj6SIaw5LA Y9KkrIGN0vJvbvaFcNtsOes+LR8A6T+chGXiCd0hil9ZIwfKAPdT9hJzFQrF5fbG4hAAbIV8 aySmoaCNYkq2lWyTFLgI6Y3AsafD4=; From: Jan Kiszka To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Bao Cheng Su , Benedikt Niedermayr Subject: [PATCH v4 4/5] arm64: dts: ti: iot2050: Refactor the m.2 and minipcie power pin Date: Sat, 4 Nov 2023 09:52:18 +0100 Message-Id: <8b2f8c1698421b8d0694eb337ad7ea2320d76aa6.1699087938.git.jan.kiszka@siemens.com> In-Reply-To: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-294854:519-21489:flowmailer From: Su Bao Cheng Make the m.2 power control pin also available on miniPCIE variants. This can fix some miniPCIE card hang issue, by forcing a power on reset during boot. Signed-off-by: Baocheng Su Signed-off-by: Jan Kiszka --- .../arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi | 4 +++- arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 11 +++++++++++ .../boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts | 8 +------- 3 files changed, 15 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi index e9419c4fe605..e9b57b87e42e 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi @@ -20,7 +20,9 @@ AM65X_IOPAD(0x01e0, PIN_OUTPUT, 7) &main_gpio1 { pinctrl-names = "default"; - pinctrl-0 = <&cp2102n_reset_pin_default>; + pinctrl-0 = + <&main_pcie_enable_pins_default>, + <&cp2102n_reset_pin_default>; gpio-line-names = "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi index 41c980d2a242..d2b6439cf496 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi @@ -852,6 +852,12 @@ AM65X_IOPAD(0x00CC, PIN_INPUT_PULLDOWN, 7) >; }; + main_pcie_enable_pins_default: main-pcie-enable-default-pins { + pinctrl-single,pins = < + AM65X_IOPAD(0x01c4, PIN_INPUT_PULLUP, 7) /* (AH13) GPIO1_17 */ + >; + }; + main_uart1_pins_default: main-uart1-default-pins { pinctrl-single,pins = < AM65X_IOPAD(0x0174, PIN_INPUT, 6) /* (AE23) UART1_RXD */ @@ -981,6 +987,11 @@ &main_gpio0 { "", "IO9"; }; +&main_gpio1 { + pinctrl-names = "default"; + pinctrl-0 = <&main_pcie_enable_pins_default>; +}; + &wkup_gpio0 { pinctrl-names = "default"; pinctrl-0 = diff --git a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts index 8301c35c31b3..bd6f2e696e94 100644 --- a/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts +++ b/arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts @@ -27,12 +27,6 @@ &mcu_r5fss0 { }; &main_pmx0 { - main_m2_enable_pins_default: main-m2-enable-default-pins { - pinctrl-single,pins = < - AM65X_IOPAD(0x01c4, PIN_INPUT_PULLUP, 7) /* (AH13) GPIO1_17 */ - >; - }; - main_bkey_pcie_reset: main-bkey-pcie-reset-default-pins { pinctrl-single,pins = < AM65X_IOPAD(0x01bc, PIN_OUTPUT_PULLUP, 7) /* (AG13) GPIO1_15 */ @@ -72,7 +66,7 @@ &main_gpio0 { &main_gpio1 { pinctrl-names = "default"; pinctrl-0 = - <&main_m2_enable_pins_default>, + <&main_pcie_enable_pins_default>, <&main_pmx0_m2_config_pins_default>, <&main_pmx1_m2_config_pins_default>, <&cp2102n_reset_pin_default>;