From nobody Thu Dec 25 19:53:23 2025 Received: from relay.smtp-ext.broadcom.com (unknown [192.19.166.231]) (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 4A88EFC08; Thu, 11 Jan 2024 23:15:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="on00Wa/e" Received: from mail-lvn-it-01.lvn.broadcom.net (mail-lvn-it-01.lvn.broadcom.net [10.36.132.253]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id 149C8C001660; Thu, 11 Jan 2024 15:15:44 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 149C8C001660 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1705014944; bh=RZEbF5rHXIeGL5qadO5zUtwdGFWIxLHURWRU1bfcIJo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=on00Wa/eYWwY9KUfqVThcAcSAGtGlQKQfpPqO26SMPA1fjWI7cM3skzrDI+r6JQAt u/adcT61FjMmNBTGEBjsf/BO2PT2lXkOP2ljfUk714Nt18SMB2ACVveoboj7ZwlVkj CFP4rTzLikAqdNUIVvdQbgwy8IMgjWeiYpjdmYes= Received: from fainelli-desktop.igp.broadcom.net (fainelli-desktop.dhcp.broadcom.net [10.67.48.245]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail-lvn-it-01.lvn.broadcom.net (Postfix) with ESMTPSA id 985A418041CAC6; Thu, 11 Jan 2024 15:15:42 -0800 (PST) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: Florian Fainelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Broadcom internal kernel review list , Bjorn Helgaas , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 1/2] dt-bindings: bus: Document Broadcom GISB arbiter 74165 compatible Date: Thu, 11 Jan 2024 15:15:38 -0800 Message-Id: <20240111231539.783785-2-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240111231539.783785-1-florian.fainelli@broadcom.com> References: <20240111231539.783785-1-florian.fainelli@broadcom.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 Content-Type: text/plain; charset="utf-8" The 74165 chip introduces a new layout for the GISB arbiter which is not identical to previous chips, document the new compatible that we are going to key off. Signed-off-by: Florian Fainelli Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml b/Doc= umentation/devicetree/bindings/bus/brcm,gisb-arb.yaml index 3aaefdbe361e..9017c5a3f3d2 100644 --- a/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml +++ b/Documentation/devicetree/bindings/bus/brcm,gisb-arb.yaml @@ -18,6 +18,7 @@ properties: - const: brcm,gisb-arb - items: - enum: + - brcm,bcm74165-gisb-arb # for V7 new style 16nm chips - brcm,bcm7278-gisb-arb # for V7 28nm chips - brcm,bcm7435-gisb-arb # for newer 40nm chips - brcm,bcm7400-gisb-arb # for older 40nm chips and all 65nm= chips --=20 2.34.1 From nobody Thu Dec 25 19:53:23 2025 Received: from relay.smtp-ext.broadcom.com (relay.smtp-ext.broadcom.com [192.19.144.205]) (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 2846759B5D; Thu, 11 Jan 2024 23:24:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="CMHcxHp5" Received: from mail-lvn-it-01.lvn.broadcom.net (mail-lvn-it-01.lvn.broadcom.net [10.36.132.253]) by relay.smtp-ext.broadcom.com (Postfix) with ESMTP id 655E8C0000E4; Thu, 11 Jan 2024 15:15:44 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 relay.smtp-ext.broadcom.com 655E8C0000E4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1705014944; bh=0zK9IlUIaxglY1uUdlByTuJo2PKiDkOIZhKkGpO6xA4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CMHcxHp5C+YRIBeq0K7N+oUN1fUdHBCzud8Ob3nw2/g/oK0xprx/CmDTRH7gHG07T xIfupzM9+2OVqTEi9tMSUQqO859hYCH7xdyTEWtVOigHTHON+qyOe0u8TxcP3suEik VhV4XGUMG2R5mhGxvANLDBTj1V9HkYdtz/Cfkz0w= Received: from fainelli-desktop.igp.broadcom.net (fainelli-desktop.dhcp.broadcom.net [10.67.48.245]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail-lvn-it-01.lvn.broadcom.net (Postfix) with ESMTPSA id B684418041CAC7; Thu, 11 Jan 2024 15:15:42 -0800 (PST) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: Florian Fainelli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Broadcom internal kernel review list , Bjorn Helgaas , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 2/2] bus: brcmstb_gisb: Added support for 74165 register layout Date: Thu, 11 Jan 2024 15:15:39 -0800 Message-Id: <20240111231539.783785-3-florian.fainelli@broadcom.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240111231539.783785-1-florian.fainelli@broadcom.com> References: <20240111231539.783785-1-florian.fainelli@broadcom.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 Content-Type: text/plain; charset="utf-8" BCM74165 introduces a new register layout which is different from previously taped out chips, match the documented compatible and use the appropriate table of register offsets. Signed-off-by: Florian Fainelli --- drivers/bus/brcmstb_gisb.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c index b6dfe4340da2..65ae758f3194 100644 --- a/drivers/bus/brcmstb_gisb.c +++ b/drivers/bus/brcmstb_gisb.c @@ -96,6 +96,20 @@ static const int gisb_offsets_bcm7400[] =3D { [ARB_ERR_CAP_MASTER] =3D 0x0d8, }; =20 +static const int gisb_offsets_bcm74165[] =3D { + [ARB_TIMER] =3D 0x008, + [ARB_BP_CAP_CLR] =3D 0x044, + [ARB_BP_CAP_HI_ADDR] =3D -1, + [ARB_BP_CAP_ADDR] =3D 0x048, + [ARB_BP_CAP_STATUS] =3D 0x058, + [ARB_BP_CAP_MASTER] =3D 0x05c, + [ARB_ERR_CAP_CLR] =3D 0x038, + [ARB_ERR_CAP_HI_ADDR] =3D -1, + [ARB_ERR_CAP_ADDR] =3D 0x020, + [ARB_ERR_CAP_STATUS] =3D 0x030, + [ARB_ERR_CAP_MASTER] =3D 0x034, +}; + static const int gisb_offsets_bcm7435[] =3D { [ARB_TIMER] =3D 0x00c, [ARB_BP_CAP_CLR] =3D 0x014, @@ -393,6 +407,7 @@ static const struct of_device_id brcmstb_gisb_arb_of_ma= tch[] =3D { { .compatible =3D "brcm,bcm7400-gisb-arb", .data =3D gisb_offsets_bcm7400= }, { .compatible =3D "brcm,bcm7278-gisb-arb", .data =3D gisb_offsets_bcm7278= }, { .compatible =3D "brcm,bcm7038-gisb-arb", .data =3D gisb_offsets_bcm7038= }, + { .compatible =3D "brcm,bcm74165-gisb-arb", .data =3D gisb_offsets_bcm741= 65 }, { }, }; =20 --=20 2.34.1