The QCS8300 platform has LLCC(Last Level Cache Controller) as the system cache controller. Add binding, configuration and device tree node to support this. There is an errata to get the number of the banks of the LLCC on QCS8300 platform, hardcode it as a workaround. Patch3 depends on below patch series: https://lore.kernel.org/all/20240925-qcs8300_initial_dtsi-v2-0-494c40fa2a42@xxxxxxxxxxx/ Signed-off-by: Jingyi Wang <quic_jingyw@xxxxxxxxxxx> --- Changes in v2: - Hardcoding instead of adding property in dt node and remove related patches - Add LLCC deivcetree node - Add reviewed-by tag - Patch rebased for LLCC configuration format change - Link to v1: https://lore.kernel.org/r/20240903-qcs8300_llcc_driver-v1-0-228659bdf067@xxxxxxxxxxx --- Jingyi Wang (3): dt-bindings: cache: qcom,llcc: Document the QCS8300 LLCC soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform arm64: dts: qcom: qcs8300: Add LLCC support for QCS8300 .../devicetree/bindings/cache/qcom,llcc.yaml | 2 + arch/arm64/boot/dts/qcom/qcs8300.dtsi | 15 +++++ drivers/soc/qcom/llcc-qcom.c | 72 ++++++++++++++++++++++ 3 files changed, 89 insertions(+) --- base-commit: 33ce24234fca4c083e6685a18b460a18ebb5d5c1 change-id: 20241010-qcs8300_llcc-234bc652179c prerequisite-change-id: 20240925-qcs8300_initial_dtsi-ea614fe45341:v2 prerequisite-patch-id: 73c78f31fa1d504124d4a82b578a6a14126cccd8 prerequisite-patch-id: 5a01283c8654ae7c696d9c69cb21505b71c5ca27 prerequisite-patch-id: dc633d5aaac790776a8a213ea2faa4890a3f665d prerequisite-patch-id: 9ecf4cb8b5842ac64e51d6baa0e6c1fbe449ee66 Best regards, -- Jingyi Wang <quic_jingyw@xxxxxxxxxxx>
