Am Donnerstag, 8. Dezember 2022, 10:02:29 CET schrieb Samuel Holland: > D1 (aka D1-H), D1s (aka F133), R528, and T113 are a family of SoCs based > on a single die, or at a pair of dies derived from the same design. > > D1 and D1s contain a single T-HEAD Xuantie C906 CPU, whereas R528 and > T113 contain a pair of Cortex-A7's. D1 and R528 are the full version of > the chip with a BGA package, whereas D1s and T113 are low-pin-count QFP > variants. > > Because the original design supported both ARM and RISC-V CPUs, some > peripherals are duplicated. In addition, all variants except D1s contain > a HiFi 4 DSP with its own set of peripherals. > > The devicetrees are organized to minimize duplication: > - Common perhiperals are described in sunxi-d1s-t113.dtsi > - DSP-related peripherals are described in sunxi-d1-t113.dtsi > - RISC-V specific hardware is described in sun20i-d1s.dtsi > - Functionality unique to the D1 variant is described in sun20i-d1.dtsi > > The SOC_PERIPHERAL_IRQ macro handles the different #interrupt-cells > values between the ARM (GIC) and RISC-V (PLIC) versions of the SoC. > > Acked-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx> > Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> > Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > Tested-by: Heiko Stuebner <heiko.stuebner@xxxxxxxx> > Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx> after spending some more time looking at the devicetree, I'm pretty confident that it looks ok, so also Reviewed-by: Heiko Stuebner <heiko.stuebner@xxxxxxxx>
