linux-kernel - [PATCH v8 0/6] soc: qcom: llcc: Add support for QDU1000/QRU1000

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Date:   Wed, 30 Aug 2023 16:26:48 +0530
From:   Komal Bajaj <quic_kbajaj@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <srinivas.kandagatla@...aro.org>, <bryan.odonoghue@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Komal Bajaj <quic_kbajaj@...cinc.com>
Subject: [PATCH v8 0/6] soc: qcom: llcc: Add support for QDU1000/QRU1000

This patch series does the following -
 * Refactor LLCC driver to support multiple configuration
 * Add stub function for nvmem_cell_read_u8
 * Add support for multi channel DDR configuration in LLCC
 * Add LLCC support for the Qualcomm QDU1000 and QRU1000 SoCs

Changes in v8 -
 - Removed macro DEF_NUM_CFG as suggested by Bryan.
 - Rebased on top of linux-next/master.
 - Link to v7: https://lore.kernel.org/all/20230810061140.15608-1-quic_kbajaj@quicinc.com/

Changes in v7 -
 - Changed the macro name as suggested by Mukesh.
 - Added NULL check for llcc cfgs as suggested by Mukesh.
 - Updated the num_config for qdu1000 to use ARRAY_SIZE().
 - Link to v6: https://lore.kernel.org/lkml/20230802091429.20892-1-quic_kbajaj@quicinc.com/

Changes in v6 -
 - Changed variable name from num_cfgs to num_config as suggested by Mukesh.
 - Added a check for default llcc configuration as per suggestion from Mukesh.
 - Updated the commit summary for the third and fifth patch.
 - Fixed alignment in the fourth patch.
 - Used ARRAY_SIZE() to calculate the num_config as per suggested by Konrad.
 - Link to v5: https://lore.kernel.org/lkml/20230724084155.8682-1-quic_kbajaj@quicinc.com/

Changes in v5 -
 - Separated out the secure qfprom driver changes to a separate series [1].
 - Created a wrapper struct with a pointer to qcom_llcc_config and
   length of array qcom_llcc_config.
 - Added stub function for nvmem_cell_read_u8.
 - Split commit 6/6 in the previous series into two commits.
 - Link to v4: https://lore.kernel.org/lkml/20230623141806.13388-1-quic_kbajaj@quicinc.com/

Changes in v4 -
 - Created a separate driver for reading from secure fuse region as suggested.
 - Added patch for dt-bindings of secure qfprom driver accordingly.
 - Added new properties in the dt-bindings for LLCC.
 - Implemented new logic to read the nvmem cell as suggested by Bjorn.
 - Separating the DT patches from this series as per suggestion.
 - Link to v3: https://lore.kernel.org/lkml/20230512122134.24339-1-quic_kbajaj@quicinc.com/

Changes in v3 -
 - Addressed comments from Krzysztof and Mani.
 - Using qfprom to read DDR configuration from feature register.
 - Link to v2: https://lore.kernel.org/lkml/20230313124040.9463-1-quic_kbajaj@quicinc.com/

Changes in v2:
  - Addressing comments from Konrad.
  - Link to v1: https://lore.kernel.org/lkml/20230313071325.21605-1-quic_kbajaj@quicinc.com/

[1] https://lore.kernel.org/linux-arm-msm/20230724082946.7441-1-quic_kbajaj@quicinc.com/


Komal Bajaj (6):
  dt-bindings: cache: qcom,llcc: Add LLCC compatible for QDU1000/QRU1000
  soc: qcom: llcc: Refactor llcc driver to support multiple
    configuration
  nvmem: core: Add stub for nvmem_cell_read_u8
  soc: qcom: Add LLCC support for multi channel DDR
  soc: qcom: llcc: Updating the macro name
  soc: qcom: llcc: Add QDU1000 and QRU1000 LLCC support

 .../devicetree/bindings/cache/qcom,llcc.yaml  |  10 +
 drivers/soc/qcom/llcc-qcom.c                  | 361 +++++++++++++-----
 include/linux/nvmem-consumer.h                |   6 +
 include/linux/soc/qcom/llcc-qcom.h            |   2 +-
 4 files changed, 291 insertions(+), 88 deletions(-)

--
2.41.0