From nobody Thu Oct 2 18:08:02 2025 Received: from fllvem-ot03.ext.ti.com (fllvem-ot03.ext.ti.com [198.47.19.245]) (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 E57882E8887; Sat, 13 Sep 2025 06:42:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.245 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757745776; cv=none; b=tT0+XWXgPob9nMCHDE7q+NWIeSD3Rj4Ko15q5/o6f6KETMloNs3bto46hlJKxIv6o3VIqzZpTZMzwM0uKRcMRv9y1dpwR7cdXaP9IfdvD61dQGp5O96gVJbwI/rvhNt3qJX7vdF91CQjfgMESGOhNH/yECwYTEx1Qay5i3ab404= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757745776; c=relaxed/simple; bh=BhTaGgZ0lIgdfAHc6OSgTM5hjhDb29wieANZukmNayM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E2rPupeVwX+ThGO4nT271+QoxaEkcTq23GEIUemtSYHXtNrn4oKqgy4bWNp4rPetqLLbTErQw4HR5utEE8e2MaPEnOtwM7v7/7rLLghOlrKLRXoBQBRBPGACOVwS7LgLGnxtk9d+UDVvEFlfV3bOXXCbgssF1g+B9JwfsPB2teA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=DuvNALMK; arc=none smtp.client-ip=198.47.19.245 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="DuvNALMK" Received: from lelvem-sh01.itg.ti.com ([10.180.77.71]) by fllvem-ot03.ext.ti.com (8.15.2/8.15.2) with ESMTP id 58D6gKTY664124; Sat, 13 Sep 2025 01:42:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1757745740; bh=HmXZZBLqPMRin98x10IxDTgtmk2hVLmhUHgQWCCpzxE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=DuvNALMKbUAuOyIRaKXSXO/PD1hujuNboILvyZu52nFNsoMZToC3fKYOfzEFSs0qB lvGEX5LvvETQ1qU9UJywQbzLf/CkstqBbukpKg7ncFsl69MpuZLTjx3/efqCR3G782 iRxbG/h38KpC2VdY/0Fh7Umu0IFfsL8wDK9XT+tc= Received: from DFLE106.ent.ti.com (dfle106.ent.ti.com [10.64.6.27]) by lelvem-sh01.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 58D6gKDP1841163 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Sat, 13 Sep 2025 01:42:20 -0500 Received: from DFLE200.ent.ti.com (10.64.6.58) by DFLE106.ent.ti.com (10.64.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Sat, 13 Sep 2025 01:42:19 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE200.ent.ti.com (10.64.6.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Sat, 13 Sep 2025 01:42:19 -0500 Received: from a0512632.dhcp.ti.com (a0512632.dhcp.ti.com [172.24.233.20]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 58D6g5ux543875; Sat, 13 Sep 2025 01:42:13 -0500 From: Swamil Jain To: , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH 1/2] arm64: dts: ti: k3-am62: Add support for AM625 OLDI IO Control Date: Sat, 13 Sep 2025 12:12:04 +0530 Message-ID: <20250913064205.4152249-2-s-jain1@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250913064205.4152249-1-s-jain1@ti.com> References: <20250913064205.4152249-1-s-jain1@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea Content-Type: text/plain; charset="utf-8" From: Aradhya Bhatia Add TI DSS OLDI-IO control registers for AM625 DSS. This is a region of 12 32bit registers found in the TI AM625 CTRL_MMR0 register space[0]. They are used to control the characteristics of the OLDI DATA/CLK IO as needed by the DSS display controller node. [0]: https://www.ti.com/lit/pdf/spruiv7 Signed-off-by: Aradhya Bhatia Signed-off-by: Swamil Jain Reviewed-by: Devarsh Thakkar --- arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts= /ti/k3-am62-main.dtsi index 029380dc1a35..dcc71db8afd4 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -76,6 +76,11 @@ audio_refclk1: clock-controller@82e4 { assigned-clock-parents =3D <&k3_clks 157 18>; #clock-cells =3D <0>; }; + + dss_oldi_io_ctrl: oldi-io-controller@8600 { + compatible =3D "ti,am625-dss-oldi-io-ctrl", "syscon"; + reg =3D <0x8600 0x200>; + }; }; =20 dmss: bus@48000000 { From nobody Thu Oct 2 18:08:02 2025 Received: from fllvem-ot03.ext.ti.com (fllvem-ot03.ext.ti.com [198.47.19.245]) (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 D826B1D54E3; Sat, 13 Sep 2025 06:42:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.245 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757745773; cv=none; b=Ptn6NSgFa+fCIolUBBaE4tyazTtvFJbVJF0g1x1YUbYNkyZFnTqKYiRQbn6cVRdN3AtpbkXVuI3puZpzgVPyX+jiGsoDWCY4FIVa3mrrBZBSrg8ClMDZ+YiaXXkVW19hBjwf6U3huokiOxzqO9ePANb4u08/fYo/XNWufZVaCqc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757745773; c=relaxed/simple; bh=cAQgM4iwRbR96lGPJHGjKeNg5XQvEsSIpl2F9xC29pE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bqd7ElyKTgx0LkBjQ1IDRnMr2PwzruUbxrceW0GL93d8G0FC71aayVLfTKR7hrfN31na3BMxXIF1s8wBih8S/dVrN6+cbK1cEER9JpvH6jfc1MdVdY7iRCrXSnrWUYMjUtp5QkkS3nXX+ot4tXuoyhGce5FnianAN0ztmppxyBU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=RN2UHVVw; arc=none smtp.client-ip=198.47.19.245 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="RN2UHVVw" Received: from fllvem-sh03.itg.ti.com ([10.64.41.86]) by fllvem-ot03.ext.ti.com (8.15.2/8.15.2) with ESMTP id 58D6gRU0664142; Sat, 13 Sep 2025 01:42:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1757745747; bh=ykk5QGN4fnoQrsSb/DKTeAFELuUFHS/B90NVM1SCIQM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=RN2UHVVwFsle+xKTitrbJgNXLBX0mOBbghT/5Ihgsv/4Y7S4gHmRk6332EZfm2MmG q1qrtlqbbT7Wrd70D2Y/ZbaLty7bGuTSzjo+yEqSmjiiJivWMudDhEoxY+J+0yhA6n iUMxheK1rtwCVOqadE3qj9WYQES1eHBPAOLLWiO8= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by fllvem-sh03.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 58D6gQaR2531657 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Sat, 13 Sep 2025 01:42:26 -0500 Received: from DFLE201.ent.ti.com (10.64.6.59) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Sat, 13 Sep 2025 01:42:26 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE201.ent.ti.com (10.64.6.59) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Sat, 13 Sep 2025 01:42:26 -0500 Received: from a0512632.dhcp.ti.com (a0512632.dhcp.ti.com [172.24.233.20]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 58D6g5v0543875; Sat, 13 Sep 2025 01:42:20 -0500 From: Swamil Jain To: , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH 2/2] arm64: dts: ti: k3-am625: Add OLDI support Date: Sat, 13 Sep 2025 12:12:05 +0530 Message-ID: <20250913064205.4152249-3-s-jain1@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250913064205.4152249-1-s-jain1@ti.com> References: <20250913064205.4152249-1-s-jain1@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea Content-Type: text/plain; charset="utf-8" From: Aradhya Bhatia The AM625 SoC has 2 OLDI TXes under the DSS. Add their support. Signed-off-by: Aradhya Bhatia Signed-off-by: Swamil Jain Reviewed-by: Devarsh Thakkar --- arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 47 ++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts= /ti/k3-am62-main.dtsi index dcc71db8afd4..d240c157d819 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi @@ -793,6 +793,53 @@ dss: dss@30200000 { interrupts =3D ; status =3D "disabled"; =20 + oldi-transmitters { + #address-cells =3D <1>; + #size-cells =3D <0>; + + oldi0: oldi@0 { + reg =3D <0>; + clocks =3D <&k3_clks 186 0>; + clock-names =3D "serial"; + ti,oldi-io-ctrl =3D <&dss_oldi_io_ctrl>; + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + oldi0_port0: port@0 { + reg =3D <0>; + }; + + oldi0_port1: port@1 { + reg =3D <1>; + }; + }; + }; + + oldi1: oldi@1 { + reg =3D <1>; + clocks =3D <&k3_clks 186 0>; + clock-names =3D "serial"; + ti,oldi-io-ctrl =3D <&dss_oldi_io_ctrl>; + status =3D "disabled"; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + oldi1_port0: port@0 { + reg =3D <0>; + }; + + oldi1_port1: port@1 { + reg =3D <1>; + }; + }; + }; + }; + dss_ports: ports { #address-cells =3D <1>; #size-cells =3D <0>;