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soc: qcom: smem: stub functions

2026-08-07T12:32:14Z

Allow smem to be optional for Qualcomm platforms by providing stub functions. Reviewed-by: Neil Armstrong Reviewed-by: Simon Glass Tested-by: Sumit Garg Link: https://patch.msgid.link/20260504-b4-modernise-smem-v2-10-c01ec2ff3886@linaro.org Signed-off-by: Casey Connolly

soc: qcom: smem: get serial number from socinfo

2026-08-07T12:32:14Z

Implement socinfo support to fetch the serial number if available. Tested-by: Sumit Garg Link: https://patch.msgid.link/20260504-b4-modernise-smem-v2-9-c01ec2ff3886@linaro.org Signed-off-by: Casey Connolly

soc: qcom: smem: adjust for U-Boot

2026-08-07T12:32:14Z

Port over the smem code to U-Boot and ensure the smem region gets mapped after dcache is enabled. Tested-by: Sumit Garg Link: https://patch.msgid.link/20260504-b4-modernise-smem-v2-8-c01ec2ff3886@linaro.org Signed-off-by: Casey Connolly

soc: qcom: import smem from Linux 6.11-rc2

2026-08-07T12:32:14Z

Import the SMEM driver from Linux. Reviewed-by: Neil Armstrong Reviewed-by: Simon Glass Tested-by: Sumit Garg Link: https://patch.msgid.link/20260504-b4-modernise-smem-v2-6-c01ec2ff3886@linaro.org Signed-off-by: Casey Connolly

reset: spacemit: k1: introduce syscon-bound reset driver

2026-07-21T08:31:10Z

The existing K1 reset driver (drivers/reset/reset-spacemit-k1.c) binds via DT of_match against a top-level reset-controller node, but kernel mainline DT for K1 has no such node: the mpmu, apbc, apmu and apbc2 syscons each spawn their own reset device as an auxiliary of the clock controller. The legacy driver therefore cannot consume it. Add a new reset driver at drivers/reset/spacemit/reset-spacemit-k1.c bound by name from each per-syscon clock driver via device_bind_driver_to_node(), without DT of_match, mirroring the kernel's auxiliary-device pattern. To keep the series bisectable, this driver coexists link-cleanly with the legacy spacemit,k1-reset driver during the transition. A follow-up patch that switches the K1 build to dts/upstream/src/riscv/spacemit/ will drop the legacy driver. Signed-off-by: Guodong Xu

clk: spacemit: Add support for K1 SoC

2026-07-21T08:31:10Z

The K1 SoC exposes four clock providers in the kernel mainline DT: one PLL controller ("spacemit,k1-pll") and three syscon clock nodes ("spacemit,k1-syscon-{mpmu,apbc,apmu}"). Register a separate U_BOOT_DRIVER for each. The controllers register clocks into a single CCF namespace, and a clock in one controller may parent off a clock owned by another, so a controller must register only after the controllers that own its parents have probed. Each probe forces its parent controllers up by driver: MPMU <- PLL APMU <- PLL, MPMU APBC <- PLL, MPMU, APMU Signed-off-by: Junhui Liu Signed-off-by: Raymond Mao Signed-off-by: Guodong Xu

soc/qcom: rpmh: add RPMh read

2026-01-14T15:25:09Z

Implement support for RPMh reads, these allow reading out the current votes for RPMh controlled resources such as regulators and interconnects. Link: https://patch.msgid.link/20260108-rpmh-regulator-fixes-v1-4-d1b5b300b665@linaro.org Signed-off-by: Casey Connolly

soc: qcom: cmd-db: Add cmd_db_read_slave_id() & cmd_db_read_aux_data() functions

2025-11-18T08:29:34Z

Partially reverted commit "soc: qcom: cmd-db: drop unused functions" by restoring only the cmd_db_read_slave_id() and cmd_db_read_aux_data() functions, which were removed in that commit. These functions are required for the RPMH Power Domain Driver. Reviewed-by: Neil Armstrong Reviewed-by: Casey Connolly Signed-off-by: Balaji Selvanathan Signed-off-by: Aswin Murugan Reviewed-by: Casey Connolly > --- Link: https://patch.msgid.link/20251113113427.2218045-2-aswin.murugan@oss.qualcomm.com Signed-off-by: Neil Armstrong

misc: introduce Qcom GENI wrapper

2025-10-30T17:04:51Z

Qualcomm peripherals like UART, SPI, I2C, etc are all exposed under a common GENI Serial Engine wrapper device. Replace the stub driver we use for this currently with a full-on misc device and implement support for loading peripheral firmware. Each of the peripherals has it's own protocol-specific firmware, this is stored on the internal storage of the device with a well-known partition type GUID. To support this, GENI will bind peripherals in two stages. First the ones that already have firmware loaded (such as the serial port) are bound in the typical way. But devices that require firmware loading are deferred until EVT_LAST_STAGE_INIT. At this point we can be sure that the storage device is available, so we load the firmware and then bind and probe the remaining children. Child devices are expected to determine if firmware loading is necessary and call qcom_geni_load_firmware(). Since Linux currently doesn't support loading firmware (and firmware may not be available), we probe all GENI peripherals to ensure that they always load firmware if necessary. Signed-off-by: Casey Connolly Link: https://patch.msgid.link/20250714-geni-load-fw-v5-3-5abbc0d29838@linaro.org Signed-off-by: Casey Connolly

soc: qcom: rpmh: U-Boot API changes

2024-07-25T23:28:11Z

Fix build errors, add some debug logging. Acked-by: Sumit Garg Signed-off-by: Caleb Connolly