linux-toradex.git/drivers/clk/renesas/Makefile, branch master Linux kernel for Apalis and Colibri modules clk: renesas: Add support for RZ/G3L SoC 2026-03-26T18:45:48+00:00 Biju Das biju.das.jz@bp.renesas.com 2026-03-24T11:43:12+00:00 77894661c00ab99053c9606f0f7ec673065f86ac The clock structure for RZ/G3L is almost identical to that of the RZ/G3S SoC with more IP blocks such as LCDC, CRU, LVDS, and GPU. Add minimal clock and reset entries required to boot the system on Renesas RZ/G3L SMARC EVK and bind it with the RZ/G2L CPG core driver. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20260324114329.268249-8-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
The clock structure for RZ/G3L is almost identical to that of the RZ/G3S
SoC with more IP blocks such as LCDC, CRU, LVDS, and GPU.

Add minimal clock and reset entries required to boot the system on
Renesas RZ/G3L SMARC EVK and bind it with the RZ/G2L CPG core driver.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260324114329.268249-8-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: Add CPG/MSSR support to RZ/N2H SoC 2025-06-19T18:19:19+00:00 Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com 2025-06-17T15:57:57+00:00 8b8ca279752e0c9ae242a110ecb513dd85e5844f Add clock driver support for the Renesas RZ/N2H (R9A09G087) SoC by reusing the existing RZ/T2H (R9A09G077) CPG/MSSR implementation, as both SoCs share the same clock and reset architecture. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/20250617155757.149597-5-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
Add clock driver support for the Renesas RZ/N2H (R9A09G087) SoC by reusing
the existing RZ/T2H (R9A09G077) CPG/MSSR implementation, as both SoCs
share the same clock and reset architecture.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250617155757.149597-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: Add support for R9A09G077 SoC 2025-06-10T08:24:17+00:00 Thierry Bultel thierry.bultel.yh@bp.renesas.com 2025-05-15T14:18:20+00:00 065fe720eec6e627afa24da387ff970afd9a8dcb RZ/T2H has 2 register blocks at different addresses. The clock tree has configurable dividers and mux selectors. Add these new clock types, new register layout type, and registration code for mux and div in registration callback. Signed-off-by: Thierry Bultel <thierry.bultel.yh@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/20250515141828.43444-6-thierry.bultel.yh@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
RZ/T2H has 2 register blocks at different addresses.

The clock tree has configurable dividers and mux selectors.
Add these new clock types, new register layout type, and
registration code for mux and div in registration callback.

Signed-off-by: Thierry Bultel <thierry.bultel.yh@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250515141828.43444-6-thierry.bultel.yh@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: rzv2h: Add support for RZ/V2N SoC 2025-04-14T08:58:14+00:00 Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com 2025-04-07T19:16:24+00:00 f6462eb04f24447e3f9cc33071bbcb888f521985 The clock structure for RZ/V2N is almost identical to RZ/V2H(P) SoC with less IP blocks compared to RZ/V2H(P). For eg: CRU2/3 are present only on the RZ/V2H(P) SoC. Add minimal clock and reset entries required to boot the Renesas RZ/V2N EVK and binds it with the RZ/V2H CPG family driver. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/20250407191628.323613-9-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
The clock structure for RZ/V2N is almost identical to RZ/V2H(P) SoC
with less IP blocks compared to RZ/V2H(P). For eg: CRU2/3 are present
only on the RZ/V2H(P) SoC.

Add minimal clock and reset entries required to boot the Renesas
RZ/V2N EVK and binds it with the RZ/V2H CPG family driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250407191628.323613-9-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: rzv2h: Add support for RZ/G3E SoC 2025-01-07T16:00:55+00:00 Biju Das biju.das.jz@bp.renesas.com 2024-12-13T12:35:41+00:00 bb6a9aaf670735d6583c76073ec41190f5404dc5 The clock structure for RZ/G3E is almost identical to RZ/V2H SoC with more IP blocks compared to RZ/V2H. For eg: VSPI, LVDS, DPI and LCDC1 are present only on the RZ/G3E SoC. Add minimal clock and reset entries required to boot the Renesas RZ/G3E SMARC EVK and binds it with the RZ/V2H CPG core driver. Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/20241213123550.289193-3-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
The clock structure for RZ/G3E is almost identical to RZ/V2H SoC with
more IP blocks compared to RZ/V2H. For eg: VSPI, LVDS, DPI and LCDC1
are present only on the RZ/G3E SoC.

Add minimal clock and reset entries required to boot the Renesas RZ/G3E
SMARC EVK and binds it with the RZ/V2H CPG core driver.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/20241213123550.289193-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: vbattb: Add VBATTB clock driver 2024-11-06T07:52:45+00:00 Claudiu Beznea claudiu.beznea.uj@bp.renesas.com 2024-11-01T09:57:14+00:00 3b42450ce1771c7b11d8f3563f4bbfe9b8d26611 The VBATTB IP of the Renesas RZ/G3S SoC controls the clock that is used by the RTC. The input to the VBATTB could be a 32KHz crystal or an external clock device. The HW block diagram for the clock generator is as follows: +----------+ XC `\ RTXIN --->| |----->| \ +----+ VBATTCLK | 32K clock| | |----->|gate|-----------> | osc | XBYP | | +----+ RTXOUT --->| |----->| / +----------+ , After discussions w/ Stephen Boyd the clock tree associated with this hardware block was exported in Linux as: vbattb-xtal xbyp xc mux vbattbclk where: - input-xtal is the input clock (connected to RTXIN, RTXOUT pins) - xc, xbyp are mux inputs - mux is the internal mux - vbattclk is the gate clock that feeds in the end the RTC to allow selecting the input of the MUX though assigned-clock DT properties, using the already existing clock drivers and avoid adding other DT properties. If the crystal is connected on RTXIN, RTXOUT pins the XC will be selected as mux input. If an external clock device is connected on RTXIN, RTXOUT pins the XBYP will be selected as mux input. The load capacitance of the internal crystal can be configured with renesas,vbattb-load-nanofarads DT property. Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Link: https://lore.kernel.org/20241101095720.2247815-4-claudiu.beznea.uj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
The VBATTB IP of the Renesas RZ/G3S SoC controls the clock that is used
by the RTC. The input to the VBATTB could be a 32KHz crystal
or an external clock device.

The HW block diagram for the clock generator is as follows:

           +----------+ XC   `\
RTXIN  --->|          |----->| \       +----+  VBATTCLK
           | 32K clock|      |  |----->|gate|----------->
           | osc      | XBYP |  |      +----+
RTXOUT --->|          |----->| /
           +----------+      ,

After discussions w/ Stephen Boyd the clock tree associated with this
hardware block was exported in Linux as:

vbattb-xtal
   xbyp
   xc
      mux
         vbattbclk

where:
- input-xtal is the input clock (connected to RTXIN, RTXOUT pins)
- xc, xbyp are mux inputs
- mux is the internal mux
- vbattclk is the gate clock that feeds in the end the RTC

to allow selecting the input of the MUX though assigned-clock DT
properties, using the already existing clock drivers and avoid adding
other DT properties. If the crystal is connected on RTXIN,
RTXOUT pins the XC will be selected as mux input. If an external clock
device is connected on RTXIN, RTXOUT pins the XBYP will be selected as
mux input.

The load capacitance of the internal crystal can be configured
with renesas,vbattb-load-nanofarads DT property.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://lore.kernel.org/20241101095720.2247815-4-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: Add RZ/V2H(P) CPG driver 2024-08-20T07:48:24+00:00 Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com 2024-07-29T20:26:45+00:00 36932cbc3e6cc95a681568c28bfadd72d7c2e7ce Add RZ/V2H(P) CPG driver. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/20240729202645.263525-4-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
Add RZ/V2H(P) CPG driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240729202645.263525-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: Add family-specific clock driver for RZ/V2H(P) 2024-08-02T09:23:05+00:00 Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com 2024-07-29T20:26:44+00:00 dd22e56217495e2d392ded86a1e11a908e424e64 Add family-specific clock driver for RZ/V2H(P) SoCs. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/20240729202645.263525-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
Add family-specific clock driver for RZ/V2H(P) SoCs.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20240729202645.263525-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
clk: renesas: cpg-mssr: Add support for R-Car V4M 2024-01-31T10:19:21+00:00 Cong Dang cong.dang.xn@renesas.com 2024-01-25T15:34:36+00:00 f077cab34df3010df6f4996e648dba5f43fd6b85 Initial CPG support for the R-Car V4M (R8A779H0). Signed-off-by: Cong Dang <cong.dang.xn@renesas.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Link: https://lore.kernel.org/r/c678ef7164e3777fa91572f72e47ef385cea64b8.1706194617.git.geert+renesas@glider.be 
Initial CPG support for the R-Car V4M (R8A779H0).

Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/c678ef7164e3777fa91572f72e47ef385cea64b8.1706194617.git.geert+renesas@glider.be
clk: renesas: Add minimal boot support for RZ/G3S SoC 2023-10-10T07:29:48+00:00 Claudiu Beznea claudiu.beznea.uj@bp.renesas.com 2023-10-06T10:39:59+00:00 de60a3ebe410670ffdbbc95faa25a820da44ab11 Add minimal clock and reset support for the RZ/G3S SoC to be able to boot Linux from SD Card/eMMC. This includes necessary core clocks for booting and GIC, SCIF, GPIO, and SD0 module clocks and resets. Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20231006103959.197485-5-claudiu.beznea.uj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> 
Add minimal clock and reset support for the RZ/G3S SoC to be able to
boot Linux from SD Card/eMMC.  This includes necessary core clocks for
booting and GIC, SCIF, GPIO, and SD0 module clocks and resets.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20231006103959.197485-5-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>