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. This series depends on below patch series: https://lore.kernel.org/all/20240925-qcs8300_initial_dtsi-v2-0-494c40fa2a42@xxxxxxxxxxx/ - Reviewed https://lore.kernel.org/all/20241026-sar2130p-llcc-v3-0-2a58fa1b4d12@xxxxxxxxxx/ - Reviewed Signed-off-by: Jingyi Wang <quic_jingyw@xxxxxxxxxxx> --- Changes in v3: - patch rebased for using "num_banks" property defined in the config for hardcoding - Add reviewed-by tag for dt change - Link to v2: https://lore.kernel.org/r/20241010-qcs8300_llcc-v2-0-d4123a241db2@xxxxxxxxxxx Changes in v2: - Hardcoding instead of adding property in dt node and remove related patches - Add LLCC deivcetree node - Add reviewed-by tag for binding change - 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 | 67 ++++++++++++++++++++++ 3 files changed, 84 insertions(+) --- base-commit: dec9255a128e19c5fcc3bdb18175d78094cc624d change-id: 20241031-qcs8300_llcc-32ab1ce4eeac prerequisite-message-id: <20240925-qcs8300_initial_dtsi-v2-0-494c40fa2a42@xxxxxxxxxxx> prerequisite-patch-id: dc633d5aaac790776a8a213ea2faa4890a3f665d prerequisite-patch-id: 9ecf4cb8b5842ac64e51d6baa0e6c1fbe449ee66 prerequisite-patch-id: 5a01283c8654ae7c696d9c69cb21505b71c5ca27 prerequisite-patch-id: 73c78f31fa1d504124d4a82b578a6a14126cccd8 prerequisite-message-id: <20241026-sar2130p-llcc-v3-0-2a58fa1b4d12@xxxxxxxxxx> prerequisite-patch-id: cdb161d351ba3ff4f9e53efaa67eb32b603af435 prerequisite-patch-id: dc04e235391820e4ab04c72ac64fd852e73fade5 prerequisite-patch-id: 6ca6eacd9ceca6d060d23ef95594fb892e51a506 Best regards, -- Jingyi Wang <quic_jingyw@xxxxxxxxxxx>
