Hi, This series aims to add Freescale i.MX8qxp pixel link MSI bus support by using the existing simple-pm-bus driver. A power domain and two input clocks need to be enabled before the MSI bus accesses it's child devices, which matches what a simple power-managed bus is(See simple-pm-bus.yaml). Patch 1 adds support to populate simple MFD child devices in the simple-pm-bus driver, since the MSI bus may connect those devices. Patch 2 enables/disables functional clock(s) as a bulk in the simple-pm-bus driver when the simple-pm-bus is being power managed, since the MSI bus takes the two input clocks as functional clocks. Patch 3 adds dt-bindings for the MSI bus. Liu Ying (3): drivers: bus: simple-pm-bus: Populate simple MFD child devices drivers: bus: simple-pm-bus: Use clocks dt-bindings: bus: Add Freescale i.MX8qxp pixel link MSI bus binding .../bus/fsl,imx8qxp-pixel-link-msi-bus.yaml | 84 +++++++++++++++++++ drivers/bus/simple-pm-bus.c | 61 +++++++++++++- 2 files changed, 144 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml -- 2.25.1
