Re: [PATCH v5 0/4] clk: qcom: msm8996: add support for the CBF clock

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Monday, April 10th, 2023 at 11:00 PM, Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> wrote:

> On MSM8996 two CPU clusters are interconnected using the Core Bus
> Fabric (CBF). In order for the CPU clusters to function properly, it
> should be clocked following the core's frequencies to provide adequate
> bandwidth.
> 
> Register CBF as a clock (required for CPU to boot) and add a tiny
> interconnect layer on top of it to let cpufreq/opp scale the CBF clock.
> 
> Changes since v4:
> - Fixed typos in commit messages
> 
> Changes since v3:
> - Dropped merged patches
> - Moved interconnect shim to drivers/interconnect/icc-clk.c
> 
> Changes since v2:
> - Added interconnect-related bindings
> - Switched CPU and CBF clocks to RPM_SMD_XO_A_CLK_SRC
> 
> Changes since v1:
> - Relicensed schema to GPL-2.0 + BSD-2-Clause (Krzysztof)
> - Changed clock driver to use parent_hws (Konrad)
> - Fixed indentation in CBF clock driver (Konrad)
> - Changed MODULE_LICENSE of CBF clock driver to GPL from GPL-v2
> - Switched CBF to use RPM_SMD_XO_CLK_SRC as one of the parents
> - Enabled RPM_SMD_XO_CLK_SRC on msm8996 platform and switch to it from
> RPM_SMD_BB_CLK1 clock
> 
> 
> Dmitry Baryshkov (4):
> dt-bindings: interconnect/msm8996-cbf: add defines to be used by CBF
> interconnect: add clk-based icc provider support
> clk: qcom: cbf-msm8996: scale CBF clock according to the CPUfreq
> arm64: dts: qcom: msm8996: scale CBF clock according to the CPUfreq
> 
> arch/arm64/boot/dts/qcom/msm8996.dtsi | 51 ++++++
> drivers/clk/qcom/Kconfig | 1 +
> drivers/clk/qcom/clk-cbf-8996.c | 59 +++++-
> drivers/interconnect/Kconfig | 6 +
> drivers/interconnect/Makefile | 2 +
> drivers/interconnect/icc-clk.c | 168 ++++++++++++++++++
> .../interconnect/qcom,msm8996-cbf.h | 12 ++
> include/linux/interconnect-clk.h | 22 +++
> 8 files changed, 320 insertions(+), 1 deletion(-)
> create mode 100644 drivers/interconnect/icc-clk.c
> create mode 100644 include/dt-bindings/interconnect/qcom,msm8996-cbf.h
> create mode 100644 include/linux/interconnect-clk.h
> 
> --
> 2.30.2

After adding support for MSM8996 Pro [1],

Tested-by: Yassine Oudjana <y.oudjana@xxxxxxxxxxxxxx>

[1] https://lore.kernel.org/linux-arm-msm/20230503130051.144708-1-y.oudjana@xxxxxxxxxxxxxx/





[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux