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Mon, 24 Jul 2023 03:46:16 -0500 From: Sai Krishna Potthuri To: Linus Walleij , Michal Simek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mathieu Poirier , Tanmay Shah , Ben Levinsky , Marek Vasut , Roman Gushchin , Arnd Bergmann CC: , , , , , , Sai Krishna Potthuri Subject: [PATCH v2 2/4] firmware: xilinx: Add version check for TRISTATE configuration Date: Mon, 24 Jul 2023 14:15:52 +0530 Message-ID: <20230724084554.1924378-3-sai.krishna.potthuri@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230724084554.1924378-1-sai.krishna.potthuri@amd.com> References: <20230724084554.1924378-1-sai.krishna.potthuri@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT100:EE_|SA1PR12MB7039:EE_ X-MS-Office365-Filtering-Correlation-Id: 64d3006a-4672-4c85-0519-08db8c228903 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(376002)(136003)(346002)(396003)(451199021)(82310400008)(36840700001)(46966006)(40470700004)(478600001)(8676002)(110136005)(8936002)(2906002)(40480700001)(40460700003)(70586007)(70206006)(4326008)(316002)(41300700001)(103116003)(5660300002)(54906003)(36756003)(7416002)(82740400003)(86362001)(1076003)(336012)(186003)(26005)(47076005)(2616005)(426003)(81166007)(921005)(356005)(6666004)(36860700001)(83380400001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Jul 2023 08:46:55.8041 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 64d3006a-4672-4c85-0519-08db8c228903 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT100.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB7039 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Support for configuring TRISTATE parameter is added in ZYNQMP PMUFW(Xilinx ZynqMP Platform Management Firmware) Configuration Param Set version 2.0. If the requested configuration is TRISTATE and platform is ZYNQMP then check the version before requesting Xilinx firmware to set the configuration. Signed-off-by: Sai Krishna Potthuri Reviewed-by: Michal Simek --- drivers/firmware/xilinx/zynqmp.c | 9 +++++++++ include/linux/firmware/xlnx-zynqmp.h | 2 ++ 2 files changed, 11 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zyn= qmp.c index f9498e7ea694..307717f24a98 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -1150,6 +1150,15 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_pinctrl_get_config); int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, u32 value) { + int ret; + + if (pm_family_code =3D=3D ZYNQMP_FAMILY_CODE && + param =3D=3D PM_PINCTRL_CONFIG_TRI_STATE) { + ret =3D zynqmp_pm_feature(PM_PINCTRL_CONFIG_PARAM_SET); + if (ret < PM_PINCTRL_PARAM_SET_VERSION) + return -EOPNOTSUPP; + } + return zynqmp_pm_invoke_fn(PM_PINCTRL_CONFIG_PARAM_SET, pin, param, value, 0, NULL); } diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/= xlnx-zynqmp.h index d7f94b42ad4c..6359eeea8dd7 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -34,6 +34,8 @@ /* PM API versions */ #define PM_API_VERSION_2 2 =20 +#define PM_PINCTRL_PARAM_SET_VERSION 2 + #define ZYNQMP_FAMILY_CODE 0x23 #define VERSAL_FAMILY_CODE 0x26 =20 --=20 2.25.1