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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: jI/xx4fEVr800gtHCUVfH5a3/tPpRA1FFkWCN4p/dtFSCKm8FkGJTKNqmQ7BBThI+3XP65NvsxFJGEXi+lmdRZNAHrb0/hrChE8zKi0B4eDb8KGQAoY7qdmWlgZ+ltelImwvC0YN0p4WtFy2C94Fpg8SbF1Q3eNiBlnDHPb8lKTTFM9FSYFjrl24siotzQaddbQklMyaw92hdcuFk/5tCr/G2IO1AhccKqYolwf4rIUUSQI/YYRHL3eM0kNxP5Y4tIXJkF25MDXBgSPO/ruhY2BB9q1Q8cZXl8vafQNTO8rvI/ah8zUwdEjYnvOrL+cyJvSVsEYHzszH1kDbbmtf5aoSTOEImE/9EiM8unN1/wh+vQ7jfuIOkesaz1AFZ/b/7VWate6amrP8VbBPYCDl1ubuNYFtuz+d9JQgulG2icPs5nrtRtwqWEXd0E7Xj5A7 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Sep 2026 10:22:31.0350 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9c767eef-a742-4249-f2a2-08df08dc18c1 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023CD.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS2PR12MB9711 From: Rex Fu Add PCA9554 GPIO expanders for PDB fuse monitor signals on the Anacapa DVT board. The patch adds GPIO expander definitions for both the left and right PDBs under the i2c8 multiplexer and updates the associated gpio-line-names to reflect the final signal assignments. Signed-off-by: Rex Fu --- .../aspeed/aspeed-bmc-facebook-anacapa-dvt.dtsi | 92 ++++++++++++++++++++++ 1 file changed, 92 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-dvt.dtsi b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-dvt.dtsi index 0509bc8bb9cd..2fd7e46daa63 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-dvt.dtsi +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa-dvt.dtsi @@ -2,6 +2,98 @@ #include "aspeed-bmc-facebook-anacapa-evt2.dtsi" +// MB - PDB +&i2c8 { + i2c-mux@72 { + i2c@0 { + gpio@22 { + gpio-line-names = + "RPDB_FAN_FULL_SPEED_R_N", "RPDB_I2C_TMP432_U8_ALERT_R_N", + "RPDB_I2C_TMP432_U29_ALERT_R_N", "RPDB_GLOBAL_WP", + "RPDB_FAN_CT_FAN_FAIL_R_N", "RPDB_VERID_A0", + "RPDB_VERID_A1", "RPDB_VERID_A2", + "RPDB_ALERT_P50V_HSC2_R_N", "RPDB_ALERT_P50V_HSC3_R_N", + "RPDB_ALERT_P50V_HSC4_R_N", "RPDB_ALERT_P50V_STBY_R_N", + "RPDB_P12V_MB_VRM_ALERT_R_N", + "RPDB_P12V_STBY_VRM_ALERT_R_N", + "RPDB_PGD_P3V3_STBY_PWRGD_R", + "RPDB_P12V_STBY_VRM_PWRGD_BUF_R"; + }; + + gpio@24 { + gpio-line-names = + "RPDB_EAM2_PRSNT_MOS_N_R", "RPDB_EAM3_PRSNT_MOS_N_R", + "RPDB_PWRGD_P50V_HSC4_SYS_R", + "RPDB_PWRGD_P50V_STBY_SYS_BUF_R", + "RPDB_P50V_FAN5_R2_PG", "RPDB_P50V_FAN6_R2_PG", + "RPDB_P50V_FAN7_R2_PG", "RPDB_P50V_FAN8_R2_PG", + "RPDB_SKU_ID0", "RPDB_FAN5_PRSNT_N_R", + "", "RPDB_FAN6_PRSNT_N_R", + "RPDB_FAN7_PRSNT_N_R", "RPDB_FAN8_PRSNT_N_R", + "", ""; + }; + + gpio@38 { + compatible = "nxp,pca9554"; + reg = <0x38>; + #gpio-cells = <2>; + gpio-controller; + + gpio-line-names = + "RPDB_P50V_FUSE2_TVS1", "RPDB_P50V_FUSE2_TVS2", + "RPDB_P50V_FUSE3_TVS1", "RPDB_P50V_FUSE3_TVS2", + "RPDB_P50V_FUSE4_TVS1", "", + "", ""; + + interrupt-parent = <&sgpiom0>; + interrupts = <174 IRQ_TYPE_LEVEL_LOW>; + }; + }; + + i2c@1 { + gpio@22 { + gpio-line-names = + "LPDB_FAN_FULL_SPEED_R_N", "LPDB_I2C_TEMP75_U8_ALERT_R_N", + "LPDB_I2C_TMP432_U29_ALERT_R_N", "LPDB_GLOBAL_WP", + "LPDB_FAN_CT_FAN_FAIL_R_N", "LPDB_VERID_A0", + "LPDB_VERID_A1", "LPDB_VERID_A2", + "LPDB_ALERT_P50V_HSC0_R_N", "LPDB_ALERT_P50V_HSC1_R_N", + "LPDB_ALERT_P50V_HSC5_R_N", "LPDB_I2C_P12V_SW_VRM_ALERT_R_N", + "LPDB_EAM0_PRSNT_MOS_N_R", "LPDB_EAM1_PRSNT_MOS_N_R", + "LPDB_PWRGD_P50V_HSC5_SYS_R", "BARKLIP_PRSNT_N_R3"; + }; + + gpio@24 { + gpio-line-names = + "LPDB_P50V_FAN0_R2_PG", "LPDB_P50V_FAN1_R2_PG", + "LPDB_P50V_FAN2_R2_PG", "LPDB_P50V_FAN3_R2_PG", + "LPDB_P50V_FAN4_R2_PG", "LPDB_FAN0_PRSNT_N_R", + "LPDB_FAN1_PRSNT_N_R", "LPDB_FAN2_PRSNT_N_R", + "LPDB_FAN3_PRSNT_N_R", "LPDB_FAN4_PRSNT_N_R", + "LPDB_SKU_ID0", "", + "", "", + "", "LPDB_PG_P3V3_R"; + }; + + gpio@38 { + compatible = "nxp,pca9554"; + reg = <0x38>; + #gpio-cells = <2>; + gpio-controller; + + gpio-line-names = + "LPDB_P50V_FUSE0_TVS1", "LPDB_P50V_FUSE0_TVS2", + "LPDB_P50V_FUSE1_TVS1", "LPDB_P50V_FUSE1_TVS2", + "LPDB_P50V_FUSE5_TVS1", "", + "", ""; + + interrupt-parent = <&sgpiom0>; + interrupts = <174 IRQ_TYPE_LEVEL_LOW>; + }; + }; + }; +}; + &sgpiom0 { gpio-line-names = /*in - out */ -- 2.34.1