Commit Graph

13 Commits

Author SHA1 Message Date
Ulrich Hecht
52bc5ea6ed clk: renesas: rzg2: Mark RWDT clocks as critical
Ensures RWDT remains alert throughout the boot process if enabled.

This patch applies the change to the following SoCs: r8a774a1,
r8a774b1 and r8a774c0.

Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Link: https://lore.kernel.org/r/20200616162626.27944-4-uli+renesas@fpond.eu
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-06-22 16:54:32 +02:00
Fabrizio Castro
c1324171a9 clk: renesas: r8a774a1: Add TMU clock
This patch adds the TMU clocks to the R8A774A1 SoC.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-06-18 11:02:51 +02:00
Takeshi Kihara
b9df2ea2b8 clk: renesas: rcar-gen3: Correct parent clock of Audio-DMAC
The clock sources of the AXI-bus clock (266.66 MHz) used for Audio-DMAC
DMA transfers are:

    Channel        R-Car H3    R-Car M3-W    R-Car M3-N    R-Car E3
    ---------------------------------------------------------------
    Audio-DMAC0    S1D2        S1D2          S1D2          S1D2
    Audio-DMAC1    S1D2        S1D2          S1D2          -

As a result, change the parent clocks of the Audio-DMAC{0,1} module
clocks on R-Car H3, R-Car M3-W, and R-Car M3-N to S1D2, and change the
parent clock of the Audio-DMAC0 module on R-Car E3 to S1D2.

NOTE: This information will be reflected in a future revision of the
      R-Car Gen3 Hardware Manual.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Update R-Car D3, RZ/G2M, and RZ/G2E]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:08:35 +02:00
Takeshi Kihara
3c772f71a5 clk: renesas: rcar-gen3: Correct parent clock of SYS-DMAC
The clock sources of the AXI BUS clock (266.66 MHz) used for SYS-DMAC
DMA transfers are:

    Channel      R-Car H3    R-Car M3-W    R-Car M3-N
    -------------------------------------------------
    SYS-DMAC0    S0D3        S0D3          S0D3
    SYS-DMAC1    S3D1        S3D1          S3D1
    SYS-DMAC2    S3D1        S3D1          S3D1

As a result, change the parent clocks of the SYS-DMAC{1,2} module clocks
on R-Car H3, R-Car M3-W, and R-Car M3-N to S3D1.

NOTE: This information will be reflected in a future revision of the
      R-Car Gen3 Hardware Manual.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Update RZ/G2M]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:08:29 +02:00
Kazuya Mizuguchi
c2182095c8 clk: renesas: rcar-gen3: Correct parent clock of HS-USB
According to the R-Car Gen3 Hardware Manual Rev. 1.00, and the RZ/G2
Hardware Manual Rev. 0.61, the parent clock of the HS-USB module
clocks on R-Car Gen3 and RZ/G2 SoCs is S3D2.

Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[takeshi: Update R-Car H3, M3-N, and E3]
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Update RZ/G2M and RZ/G2E]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:08:27 +02:00
Kazuya Mizuguchi
8d36fdcce2 clk: renesas: rcar-gen3: Correct parent clock of EHCI/OHCI
According to the R-Car Gen3 Hardware Manual Rev. 1.00, and the RZ/G2
Hardware Manual Rev. 0.61, the parent clock of the EHCI/OHCI module
clocks on R-Car Gen3 and RZ/G2 SoCs is S3D2.

Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[takeshi: Update R-Car H3, M3-N, and E3]
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[geert: Update RZ/G2M and RZ/G2E]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 10:08:20 +02:00
Simon Horman
e0836e3638 clk: renesas: rcar-gen3: Remove CLK_TYPE_GEN3_Z2
After recent reworking of Z and Z2 clk handling
CLK_TYPE_GEN3_Z and CLK_TYPE_GEN3_Z2 have come to have precisely
the same meaning. Remove this redundancy by eliminating the latter.

This is not expected to have any run-time effect.

As suggested by Geert Uytterhoeven.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:50:48 +02:00
Simon Horman
10d9ea5100 clk: renesas: rcar-gen3: Parameterise Z and Z2 clock offset
Parameterise the offset of control bits within the FRQCRC register
for Z and Z2 clocks.

This is in preparation for supporting the Z2 clock on the R-Car E3
(r8a77990) SoC which uses a different offset for control bits to
other, already, supported SoCs.

As suggested by Geert Uytterhoeven.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:50:48 +02:00
Takeshi Kihara
20cc05ba04 clk: renesas: rcar-gen3: Parameterise Z and Z2 clock fixed divisor
Parameterise Z and Z2 clock fixed divisor to allow clocks with a fixed
divisor other than 2, the value used by all such clocks supported to date.

This is in preparation for supporting the Z2 clock on the R-Car E3
(r8a77990) SoC which has a fixed divisor of 4.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[simon: squashed several patches; rewrote changelog; added r8a774a1 change]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-04-02 09:50:48 +02:00
Fabrizio Castro
df446f7e6e clk: renesas: r8a774a1: Fix LAST_DT_CORE_CLK
Enum LAST_DT_CORE_CLK needs updating as R8A774A1_CLK_CANFD
was recently added and it's the core clock with the highest
index.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@renesas.com>
Fixes: 9d034e151b ("clk: renesas: r8a774a1: Add missing CANFD clock")
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-02-25 09:13:19 -08:00
Fabrizio Castro
9d034e151b clk: renesas: r8a774a1: Add missing CANFD clock
This patch adds the missing CANFD clock to the r8a774a1 specific
clock driver.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2019-01-21 14:01:57 +01:00
Geert Uytterhoeven
f845b01d47 clk: renesas: r8a774a1: Add CPEX clock
Implement support for the CPEX clock on RZ/G2M.  This clock can be
selected as a clock source for CMT1 (Compare Match Timer Type 1).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Stephen Boyd <sboyd@kernel.org>
2018-12-04 10:29:37 +01:00
Biju Das
331a53e05b clk: renesas: cpg-mssr: Add r8a774a1 support
Add RZ/G2M (R8A774A1) Clock Pulse Generator / Module Standby and Software
Reset support.

Based on the Table 8.2b of "RZ/G Series, 2nd Generation User's Manual:
Hardware ((Rev. 0.61, June 12, 2018)".

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2018-08-27 17:00:19 +02:00