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Thu, 8 Dec 2022 03:37:39 -0600 From: Basavaraj Natikar To: , , CC: , Basavaraj Natikar , Mario Limonciello , Guruvendra Punugupati Subject: [PATCH] pinctrl: amd: Add Z-state wake control bits Date: Thu, 8 Dec 2022 15:07:04 +0530 Message-ID: <20221208093704.1151928-1-Basavaraj.Natikar@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT009:EE_|DM6PR12MB4356:EE_ X-MS-Office365-Filtering-Correlation-Id: 438cf455-214a-4c67-cb9b-08dad8ffdabc 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:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(396003)(39860400002)(376002)(136003)(346002)(451199015)(46966006)(40470700004)(36840700001)(426003)(47076005)(40460700003)(186003)(86362001)(41300700001)(478600001)(7696005)(81166007)(36756003)(40480700001)(82310400005)(82740400003)(83380400001)(36860700001)(8676002)(336012)(2616005)(16526019)(1076003)(356005)(5660300002)(70586007)(26005)(6666004)(2906002)(110136005)(54906003)(316002)(4326008)(70206006)(8936002)(36900700001)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Dec 2022 09:37:42.3631 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 438cf455-214a-4c67-cb9b-08dad8ffdabc 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT009.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4356 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org GPIO registers include Bit 27 for WakeCntrlZ used to enable wake in Z state. Hence add Z-state wake control bits to debugfs output to debug and analyze Z-states problems. Signed-off-by: Basavaraj Natikar Suggested-by: Mario Limonciello Tested-by: Guruvendra Punugupati --- drivers/pinctrl/pinctrl-amd.c | 7 +++++++ drivers/pinctrl/pinctrl-amd.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 6be896871718..e944003bb84a 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -218,6 +218,7 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) char *orientation; char debounce_value[40]; char *debounce_enable; + char *wake_cntrlz; for (bank = 0; bank < gpio_dev->hwbank_num; bank++) { unsigned int time = 0; @@ -305,6 +306,12 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) wake_cntrl2 = " ∅"; seq_printf(s, "S4/S5 %s| ", wake_cntrl2); + if (pin_reg & BIT(WAKECNTRL_Z_OFF)) + wake_cntrlz = "⏰"; + else + wake_cntrlz = " ∅"; + seq_printf(s, "Z %s| ", wake_cntrlz); + if (pin_reg & BIT(PULL_UP_ENABLE_OFF)) { pull_up_enable = "+"; if (pin_reg & BIT(PULL_UP_SEL_OFF)) diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h index c8635998465d..81ae8319a1f0 100644 --- a/drivers/pinctrl/pinctrl-amd.h +++ b/drivers/pinctrl/pinctrl-amd.h @@ -42,6 +42,7 @@ #define OUTPUT_ENABLE_OFF 23 #define SW_CNTRL_IN_OFF 24 #define SW_CNTRL_EN_OFF 25 +#define WAKECNTRL_Z_OFF 27 #define INTERRUPT_STS_OFF 28 #define WAKE_STS_OFF 29