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 1B6EDCA0EFA for ; Sat, 23 Aug 2025 06:42:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:CC:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aDdnfXoloJINmIvwfPzsYTluOC1eKh/fWFgnitumSSw=; b=sHsfxp0ATeCnGHGfYZIP9OfU9L 4xw1q8RAKyCEuE9VhlwBb5jnm5xBcn4ZFE+CC69tC37/USjwfuAfvRkR7VvBRHwHEo02L9V7T3VFi edOvT6OAasAHSXU4MgMoRYdGpGvNR9PAvkvoUBNqNJs1XPBnCHaS7MpR3pY1YMJL1UAarNR5631aC uZzUWjCOwA+NVh1iYxLU1TRWpytjB4VUlIhcHUu1XKydyBVC2RfeazhzpqDbxqLAXne62KWd3hiKH zx187/l3JS4G9gc/aJx6/xetQEO/rpxJKJkYLGsqJrmV+KGblr81WuUtPr4/juu0UBwfXHMlfj/SP kmWb8l6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uphxV-00000004EnL-1kes; Sat, 23 Aug 2025 06:42:37 +0000 Received: from lelvem-ot01.ext.ti.com ([198.47.23.234]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1upWWo-00000003JSb-3iJW for linux-arm-kernel@lists.infradead.org; Fri, 22 Aug 2025 18:30:20 +0000 Received: from lelvem-sh02.itg.ti.com ([10.180.78.226]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTP id 57MIUFZF307579; Fri, 22 Aug 2025 13:30:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1755887415; bh=aDdnfXoloJINmIvwfPzsYTluOC1eKh/fWFgnitumSSw=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=WTRApP/29ZNup8OZNgqOVK0SmeEKWVz8r/P0dgJH5Gk/fqzZsJ7BISEiCVTWtJsW0 PxqVMdcYemAm5ZbJnC6wmn7VUHd1TrTbLNkYBcJg4zw4QNAZnK7cIyZjfGGKokpbSi MIwwyqvg7W8+ord4gn/dP4zbSQn7GifqaAvVKamk= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by lelvem-sh02.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 57MIUFx13467809 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Fri, 22 Aug 2025 13:30:15 -0500 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Fri, 22 Aug 2025 13:30:14 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55 via Frontend Transport; Fri, 22 Aug 2025 13:30:14 -0500 Received: from localhost (uda0133052.dhcp.ti.com [128.247.81.232]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 57MIUEv5047367; Fri, 22 Aug 2025 13:30:14 -0500 Date: Fri, 22 Aug 2025 13:30:14 -0500 From: Nishanth Menon To: Paresh Bhagat CC: , , , , , , , , , , , , , Subject: Re: [PATCH] arm64: dts: ti: k3-am62d2-evm: Add support for OSPI flash Message-ID: <20250822183014.apyvqws4afiqiymb@specks> References: <20250813090300.733295-1-p-bhagat@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250813090300.733295-1-p-bhagat@ti.com> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250822_113019_057224_CE63F2B5 X-CRM114-Status: GOOD ( 17.34 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 14:33-20250813, Paresh Bhagat wrote: > AM62D2 EVM has S28HS512T 64 MiB Octal SPI NOR flash connected to the > OSPI interface. Add support for the flash and describe the partition > information as per bootloader. > > Signed-off-by: Paresh Bhagat > --- > Boot logs > https://gist.github.com/paresh-bhagat12/262d8c64e692d22c4e48363d246fb083 We already have issues with am62d that needs fixing: cpu cpu0: _of_add_opp_table_v2: no supported OPPs cpu cpu0: OPP table can't be empty and Please enable defconfig for this device arch/arm64/boot/dts/ti/k3-am62d2-evm.dts: typec_pd0: usb-power-controller@3f { We can look at adding features for am62d after the above are done. > > Tech Ref Manual-https://www.ti.com/lit/pdf/sprujd4 > Schematics Link-https://www.ti.com/lit/zip/sprcal5 > > arch/arm64/boot/dts/ti/k3-am62d2-evm.dts | 86 ++++++++++++++++++++++++ > 1 file changed, 86 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts > index daea18b0bc61..aa943ef52fb5 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts > +++ b/arch/arm64/boot/dts/ti/k3-am62d2-evm.dts > @@ -25,6 +25,7 @@ aliases { > rtc0 = &wkup_rtc0; > ethernet0 = &cpsw_port1; > ethernet1 = &cpsw_port2; > + spi0 = &ospi0; > }; > > chosen { > @@ -367,6 +368,26 @@ usr_led_pins_default: usr-led-default-pins { > AM62DX_IOPAD(0x0244, PIN_INPUT, 7) /* (D18) MMC1_SDWP.GPIO1_49 */ > >; > }; > + > + ospi0_pins_default: ospi0-default-pins { > + pinctrl-single,pins = < > + AM62DX_IOPAD(0x0000, PIN_OUTPUT, 0) /* (L22) OSPI0_CLK */ > + AM62DX_IOPAD(0x002c, PIN_OUTPUT, 0) /* (H21) OSPI0_CSn0 */ > + AM62DX_IOPAD(0x0030, PIN_OUTPUT, 0) /* (G19) OSPI0_CSn1 */ > + AM62DX_IOPAD(0x0034, PIN_OUTPUT, 0) /* (K20) OSPI0_CSn2 */ > + AM62DX_IOPAD(0x0038, PIN_OUTPUT, 0) /* (G20) OSPI0_CSn3 */ > + AM62DX_IOPAD(0x000c, PIN_INPUT, 0) /* (J21) OSPI0_D0 */ > + AM62DX_IOPAD(0x0010, PIN_INPUT, 0) /* (J18) OSPI0_D1 */ > + AM62DX_IOPAD(0x0014, PIN_INPUT, 0) /* (J19) OSPI0_D2 */ > + AM62DX_IOPAD(0x0018, PIN_INPUT, 0) /* (H18) OSPI0_D3 */ > + AM62DX_IOPAD(0x001c, PIN_INPUT, 0) /* (K21) OSPI0_D4 */ > + AM62DX_IOPAD(0x0020, PIN_INPUT, 0) /* (H19) OSPI0_D5 */ > + AM62DX_IOPAD(0x0024, PIN_INPUT, 0) /* (J20) OSPI0_D6 */ > + AM62DX_IOPAD(0x0028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */ > + AM62DX_IOPAD(0x0008, PIN_INPUT, 0) /* (L21) OSPI0_DQS */ > + >; > + bootph-all; > + }; > }; > > &mcu_gpio0 { > @@ -613,3 +634,68 @@ &c7x_0 { > &main_rti4 { > status = "reserved"; > }; > + > +&fss { > + status = "okay"; > +}; > + > +&ospi0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&ospi0_pins_default>; > + status = "okay"; > + > + flash@0{ > + compatible = "jedec,spi-nor"; > + reg = <0x0>; > + spi-tx-bus-width = <8>; > + spi-rx-bus-width = <8>; > + spi-max-frequency = <25000000>; > + cdns,tshsl-ns = <60>; > + cdns,tsd2d-ns = <60>; > + cdns,tchsh-ns = <60>; > + cdns,tslch-ns = <60>; > + cdns,read-delay = <4>; > + > + partitions { > + compatible = "fixed-partitions"; > + #address-cells = <1>; > + #size-cells = <1>; > + > + partition@0 { > + label = "ospi.tiboot3"; > + reg = <0x0 0x80000>; > + }; > + > + partition@80000 { > + label = "ospi.tispl"; > + reg = <0x80000 0x200000>; > + }; > + > + partition@280000 { > + label = "ospi.u-boot"; > + reg = <0x280000 0x400000>; > + }; > + > + partition@680000 { > + label = "ospi.env"; > + reg = <0x680000 0x40000>; > + }; > + > + partition@6c0000 { > + label = "ospi.env.backup"; > + reg = <0x6c0000 0x40000>; > + }; > + > + partition@800000 { > + label = "ospi.rootfs"; > + reg = <0x800000 0x37c0000>; > + }; > + > + partition@3fc0000 { > + label = "ospi.phypattern"; > + reg = <0x3fc0000 0x40000>; > + bootph-all; > + }; > + }; > + }; > +}; > -- > 2.34.1 > > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D https://ti.com/opensource