From mboxrd@z Thu Jan 1 00:00:00 1970 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 88A77C38A02 for ; Mon, 31 Oct 2022 12:07:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231211AbiJaMHO (ORCPT ); Mon, 31 Oct 2022 08:07:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231199AbiJaMHN (ORCPT ); Mon, 31 Oct 2022 08:07:13 -0400 Received: from muru.com (muru.com [72.249.23.125]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 78F905590; Mon, 31 Oct 2022 05:07:12 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 2FAFC80CD; Mon, 31 Oct 2022 11:57:43 +0000 (UTC) Date: Mon, 31 Oct 2022 14:07:10 +0200 From: Tony Lindgren To: Daniel Lezcano , Thomas Gleixner Cc: Georgi Vlaev , Grygorii Strashko , Keerthy , Ladislav Michl , Nishanth Menon , Suman Anna , Vignesh Raghavendra , linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [RFC PATCH 0/3] Make TI dmtimer features more usable Message-ID: References: <20221031115613.56229-1-tony@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221031115613.56229-1-tony@atomide.com> Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org * Tony Lindgren [221031 11:46]: > I have only lightly tested this so far to make sure I get clock output on > k3-am625-sk on TIMER_IO2 at user expansion connector pin 10. For reference, I used something like the patch below to configure the timer2 for clock output. Regards, Tony 8< --------------------- diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts @@ -143,6 +143,25 @@ led-0 { default-state = "off"; }; }; + + main_pwm2: dmtimer-main-pwm-2 { + pinctrl-0 = <&main_timer2_pins_default>; + pinctrl-names = "default"; + compatible = "ti,omap-dmtimer-pwm"; + #pwm-cells = <3>; + ti,timers = <&main_timer2>; + interrupts-extended = <&main_timer2 2 IRQ_TYPE_EDGE_RISING>, + <&main_timer2 1 IRQ_TYPE_EDGE_RISING>, + <&main_timer2 0 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "compare", "overflow", "match"; + clocks = <&main_timer2>; + }; +}; + +&main_timer2 { + interrupt-controller; + #interrupt-cells = <2>; + #clock-cells = <0>; }; &main_pmx0 { @@ -270,6 +289,13 @@ AM62X_IOPAD(0x07c, PIN_OUTPUT, 7) /* (P25) GPMC0_CLK.GPIO0_31 */ >; }; + main_timer2_pins_default: main-timer2-pins-default { + pinctrl-single,pins = < + /* (C15) PADCFG_CTRL_PADCONFIG118 0x000f41d8 TIMER_IO2 */ + AM65X_IOPAD(0x1d8, PIN_OUTPUT, 2) + >; + }; + main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-pins-default { pinctrl-single,pins = < AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */ From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1E27BFA3740 for ; Mon, 31 Oct 2022 12:08:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fIi3aCvTS2vUsR9dLsyFhBN99JVo8+9vseCtTdwyJxk=; b=SxanEzt49zTDP3 cG9M/GHnZioruQkhtgfiPnV+O5M5jAak453nHYmug+AZ0earJE9onsqd5UClCPLB2C91eDPbeNMg2 1PefYORw5l1c/vBt8FSFRZ7aW6mznoTS6a3aqy4HM30cEwX09VkCZoPFlMuNkZ7suxtrp2VLgTzR5 e4weCG9ezKHNIn5eVNftz+02h9PIACIjuBRVigCPRMk2IhpGNi9JKsO2KvG4mFjULePvbywKQMjhh YmcW8acpJ17vqBZLySjwO/sZLKzBRfe8eVLtwpeGzR8J4Db9NGjLYhxqIFGNVJpVEQnUp6AzG/rSj Pq0Z8OkFThXxMN28Ah6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opTZT-00BX51-Cz; Mon, 31 Oct 2022 12:07:15 +0000 Received: from muru.com ([72.249.23.125]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opTZQ-00BX4U-Pk for linux-arm-kernel@lists.infradead.org; Mon, 31 Oct 2022 12:07:14 +0000 Received: from localhost (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 2FAFC80CD; Mon, 31 Oct 2022 11:57:43 +0000 (UTC) Date: Mon, 31 Oct 2022 14:07:10 +0200 From: Tony Lindgren To: Daniel Lezcano , Thomas Gleixner Cc: Georgi Vlaev , Grygorii Strashko , Keerthy , Ladislav Michl , Nishanth Menon , Suman Anna , Vignesh Raghavendra , linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [RFC PATCH 0/3] Make TI dmtimer features more usable Message-ID: References: <20221031115613.56229-1-tony@atomide.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221031115613.56229-1-tony@atomide.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221031_050712_893803_0E3453CA X-CRM114-Status: GOOD ( 10.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org * Tony Lindgren [221031 11:46]: > I have only lightly tested this so far to make sure I get clock output on > k3-am625-sk on TIMER_IO2 at user expansion connector pin 10. For reference, I used something like the patch below to configure the timer2 for clock output. Regards, Tony 8< --------------------- diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts @@ -143,6 +143,25 @@ led-0 { default-state = "off"; }; }; + + main_pwm2: dmtimer-main-pwm-2 { + pinctrl-0 = <&main_timer2_pins_default>; + pinctrl-names = "default"; + compatible = "ti,omap-dmtimer-pwm"; + #pwm-cells = <3>; + ti,timers = <&main_timer2>; + interrupts-extended = <&main_timer2 2 IRQ_TYPE_EDGE_RISING>, + <&main_timer2 1 IRQ_TYPE_EDGE_RISING>, + <&main_timer2 0 IRQ_TYPE_EDGE_RISING>; + interrupt-names = "compare", "overflow", "match"; + clocks = <&main_timer2>; + }; +}; + +&main_timer2 { + interrupt-controller; + #interrupt-cells = <2>; + #clock-cells = <0>; }; &main_pmx0 { @@ -270,6 +289,13 @@ AM62X_IOPAD(0x07c, PIN_OUTPUT, 7) /* (P25) GPMC0_CLK.GPIO0_31 */ >; }; + main_timer2_pins_default: main-timer2-pins-default { + pinctrl-single,pins = < + /* (C15) PADCFG_CTRL_PADCONFIG118 0x000f41d8 TIMER_IO2 */ + AM65X_IOPAD(0x1d8, PIN_OUTPUT, 2) + >; + }; + main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-pins-default { pinctrl-single,pins = < AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel