History log of /linux-master/include/dt-bindings/clock/exynos850.h
Revision Date Author Comments
# 76dedb9c 24-Feb-2024 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: exynos850: Add CMU_CPUCLK0 and CMU_CPUCL1

Document CPU clock management unit compatibles and add corresponding
clock indices. Exynos850 has two CPU clusters (CL0 and CL1), each
containing 4 Cortex-A55 cores. CPU PLLs are generating main CPU clocks
for each cluster, and there are alternate ("switch") clocks that can be
used temporarily while re-configuring the PLL for the new rate. ACLK,
ATCLK, PCLKDBG and PERIPHCLK clocks are driving corresponding buses.
CLK_CLUSTERx_SCLK are actual leaf CPU clocks and should be used to
change CPU rates. Also some CoreSight clocks can be derived from
DBG_USER (debug clock).

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20240224202053.25313-2-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


# bc8cc7fb 19-Jan-2024 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: exynos850: Add PDMA clocks

Add constants for Peripheral DMA (PDMA) clocks in CMU_CORE controller:
- PDMA_ACLK: clock for PDMA0 (regular DMA)
- SPDMA_ACLK: clock for PDMA1 (secure DMA)

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20240120012948.8836-2-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


# b3f9581a 08-Aug-2023 Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

dt-bindings: clock: samsung: remove define with number of clocks

Number of clocks supported by Linux drivers might vary - sometimes we
add new clocks, not exposed previously. Therefore these numbers of
clocks should not be in the bindings, as that prevents changing them.
Remove it entirely from the bindings, once Linux drivers stopped using
them.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/r/20230808082738.122804-12-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


# 284f6dcb 22-Feb-2023 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: exynos850: Add AUD and HSI main gate clocks

Add main gate clocks for controlling AUD and HSI CMUs:
- gout_aud_cmu_aud_pclk
- gout_hsi_cmu_hsi_pclk

While at it, add missing PPMU (Performance Profiling Monitor Unit)
clocks for CMU_HSI.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20230223042133.26551-3-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


# 521568cf 22-Feb-2023 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: exynos850: Add Exynos850 CMU_G3D

CMU_G3D generates Gondul GPU and bus clocks for BLK_G3D.
Add clock indices and binding documentation for CMU_G3D.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20230223042133.26551-2-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


# 8f3fc0ed 09-Aug-2022 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: exynos850: Add Exynos850 CMU_MFCMSCL

CMU_MFCMSCL generates MFC, M2M, MCSC and JPEG clocks for BLK_MFCMSCL.
Add clock indices and binding documentation for CMU_MFCMSCL.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220809113323.29965-4-semen.protsenko@linaro.org


# f20f35f4 09-Aug-2022 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: exynos850: Add Exynos850 CMU_IS

CMU_IS generates CSIS, IPP, ITP, VRA and GDC clocks for BLK_IS. Add
clock indices and bindings documentation for CMU_IS domain.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220809113323.29965-3-semen.protsenko@linaro.org


# 45bbf4d7 09-Aug-2022 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: exynos850: Add Exynos850 CMU_AUD

CMU_AUD generates Cortex-A32 clock, bus clock and audio clocks for
BLK_AUD. Add clock indices and binding documentation for CMU_AUD.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220809113323.29965-2-semen.protsenko@linaro.org


# a949f2cf 17-Dec-2021 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: Add bindings for Exynos850 sysreg clocks

System Register is used to configure system behavior, like USI protocol,
etc. SYSREG clocks should be provided to corresponding syscon nodes, to
make it possible to modify SYSREG registers.

While at it, add also missing PMU and GPIO clocks, which looks necessary
and might be needed for corresponding Exynos850 features soon.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/r/20211217161549.24836-2-semen.protsenko@linaro.org


# c2afeb79 21-Nov-2021 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: Add bindings for Exynos850 CMU_CMGP

CMU_CMGP generates USI and ADC clocks for BLK_ALIVE. In particular USI
clocks are needed for HSI2C_3 and HSI2C_4 instances.

Add clock indices and bindings documentation for CMU_CMGP domain.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/r/20211121232741.6967-4-semen.protsenko@linaro.org


# 16e0c247 21-Nov-2021 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: Add bindings for Exynos850 CMU_APM

CMU_APM generates clocks for APM IP-core (Active Power Management). In
particular it generates RTC clocks, which are needed to enable rtc-s3c
driver on Exynos850 SoC.

Add clock indices and binding documentation for CMU_APM.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/r/20211121232741.6967-2-semen.protsenko@linaro.org


# 2ae5c2c3 08-Oct-2021 Sam Protsenko <semen.protsenko@linaro.org>

dt-bindings: clock: Add bindings definitions for Exynos850 CMU

Clock controller driver is designed to have separate instances for each
particular CMU. So clock IDs in this bindings header also start from 1
for each CMU.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211008154352.19519-4-semen.protsenko@linaro.org
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>