From patchwork Wed Nov 16 18:13:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Vlaev X-Patchwork-Id: 13045618 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 E33EDC433FE for ; Wed, 16 Nov 2022 18:15:22 +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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3ug+7rRDFWzCJrWWDYEx2u8MIJ3O9SoM4lQHZs3Vz+M=; b=DgYVJnzfVuf7Nd XeuetsDPR9qPkOZTt/g+n0ZanFcaxK/kqe+WH+EclT/Kn10HVBtYoOCuo1Xka8ddGe3JzuS83KiAl rHtwOgo2nKLaFp42eLSBBlsmIuiivc+6jvxpuu0mll5euCuD02VfyTyY3EEP0fPg5U90T9bU9ufCw Z/mCpZqEcc8dokpvKsq04/8MoGTUR+pze0LfV+CtWafOzjNjwEP2WTo41kAk1aX23aJH4pxQEOnAn ckGLQTJWbsIMLdNoo7czXPYHMfj/MUZOz0by+b6NwVJUoAh98rPmG3f/0IdsOpnC99VmztCOYy5oV N/lsxUsA1jpD7qw3I0LA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovMuz-006qfY-AL; Wed, 16 Nov 2022 18:13:49 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovMus-006qaf-SP for linux-arm-kernel@lists.infradead.org; Wed, 16 Nov 2022 18:13:44 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 2AGIDReT001327; Wed, 16 Nov 2022 12:13:27 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1668622407; bh=ZTY4BEftk+Ht4KTV7sRJ7iEuEIU/qA5Kz+qtTCRngcU=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=c1m7HBdqQK/zZfdj0wYLnKOgxZh5rE1qkgFM+sYllyBUhS+CNHwNUZv4yefe6nzOV IOt21IEJlVIMXJ7c4UqGvjHb/NqnwADTKkrwmLFmJ8gE4oHw3pPX8i41Md8F/VyAH6 xwG2Xfb6pj7EVyk0IVN5pTlZ8DXbSPVFp7TRDRD4= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 2AGIDRE3013596 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 16 Nov 2022 12:13:27 -0600 Received: from DFLE105.ent.ti.com (10.64.6.26) 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 15.1.2507.6; Wed, 16 Nov 2022 12:13:26 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.6 via Frontend Transport; Wed, 16 Nov 2022 12:13:27 -0600 Received: from jti.ent.ti.com (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 2AGID8MF026690; Wed, 16 Nov 2022 12:13:19 -0600 From: Georgi Vlaev To: Nishanth Menon , Tero Kristo , Santosh Shilimkar , Rob Herring , Krzysztof Kozlowski CC: , , , Vibhore Vardhan , Vignesh Raghavendra , Roger Quadros , Georgi Vlaev Subject: [PATCH v4 1/5] dt-bindings: ti, sci: Add lpm region and firmware-name Date: Wed, 16 Nov 2022 20:13:03 +0200 Message-ID: <20221116181307.198209-2-g-vlaev@ti.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221116181307.198209-1-g-vlaev@ti.com> References: <20221116181307.198209-1-g-vlaev@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221116_101343_029219_28934510 X-CRM114-Status: GOOD ( 12.85 ) 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 From: Dave Gerlach Add documentation for the lpm region which tells the ti-sci driver where to load the FS Stub low power mode firmware and also the firmware-name which tells the driver which binary to load. Both of these are optional for normal system operation but required to enabled suspend-to-mem usage of Deep Sleep state. Signed-off-by: Dave Gerlach Signed-off-by: Vibhore Vardhan Signed-off-by: Georgi Vlaev Reviewed-by: Rob Herring --- .../bindings/arm/keystone/ti,sci.yaml | 21 +++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml index 34f5f877d444..4c5213de24bc 100644 --- a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml +++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml @@ -42,12 +42,19 @@ properties: - const: ti,am654-sci reg-names: - description: | - Specifies the debug messages memory mapped region that is optionally - made available from TI-SCI controller. - const: debug_messages + items: + - const: debug_messages + - const: lpm + minItems: 1 reg: + items: + - description: | + Specifies the debug messages memory mapped region that is optionally + made available from TI-SCI controller. + - description: | + Specifies the lpm memory mapped region where the FS Stub low power + firmware is to be loaded. minItems: 1 mbox-names: @@ -83,6 +90,12 @@ properties: type: object $ref: /schemas/reset/ti,sci-reset.yaml# + firmware-name: + description: | + Name of binary of FS Stub low power firmware located on the + firmware search path. + $ref: /schemas/types.yaml#/definitions/string + required: - compatible - mbox-names