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Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220603233437.21819-1-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220525151130.24103-1-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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As per RZ/G2L HW(Rev.1.10) manual, reset monitor register value 0 means
reset signal is not applied (deassert state) and 1 means reset signal
is applied (assert state).
reset_control_status() expects a positive value if the reset line is
asserted. But rzg2l_cpg_status function returns zero for asserted
state.
This patch fixes the issue by adding double inverted logic, so that
reset_control_status returns a positive value if the reset line is
asserted.
Fixes: ef3c613ccd68 ("clk: renesas: Add CPG core wrapper for RZ/G2L SoC")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220531071657.104121-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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There are two UART clock groups, each having a mux to select its
upstream clock source. The register/bit definitions for accessing these
two muxes appear to have been reversed since introduction. Correct them
so as to match the hardware manual.
Fixes: 4c3d88526eba ("clk: renesas: Renesas R9A06G032 clock driver")
Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220518182527.1693156-1-ralph.siemsen@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Remove unused fields from struct r9a06g032_clkdesc.
As the D_UGATE macro no longer uses _gi, drop it from all declarations.
Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220518172808.1691450-2-ralph.siemsen@linaro.org
Link: https://lore.kernel.org/r/20220518172808.1691450-3-ralph.siemsen@linaro.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add WDT0 clock and reset entries to CPG driver.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220518150105.48167-1-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add PFC clock/reset entries to CPG driver.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220518135208.39885-1-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add POEG clock and reset entries to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220510110653.7326-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add GPT clock and reset entry to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220510110653.7326-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"Nothing special, this includes a couple of new device support and new
driver support and bunch of driver updates.
New support:
- Tegra gpcdma driver support
- Qualcomm SM8350, Sm8450 and SC7280 device support
- Renesas RZN1 dma and platform support
Updates:
- stm32 device pause/resume support and updates
- DMA memset ops Documentation and usage clarification
- deprecate '#dma-channels' & '#dma-requests' bindings
- driver updates for stm32, ptdma idsx etc"
* tag 'dmaengine-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (87 commits)
dmaengine: idxd: make idxd_wq_enable() return 0 if wq is already enabled
dmaengine: sun6i: Add support for the D1 variant
dmaengine: sun6i: Add support for 34-bit physical addresses
dmaengine: sun6i: Do not use virt_to_phys
dt-bindings: dma: sun50i-a64: Add compatible for D1
dmaengine: tegra: Remove unused switch case
dmaengine: tegra: Fix uninitialized variable usage
dmaengine: stm32-dma: add device_pause/device_resume support
dmaengine: stm32-dma: rename pm ops before dma pause/resume introduction
dmaengine: stm32-dma: pass DMA_SxSCR value to stm32_dma_handle_chan_done()
dmaengine: stm32-dma: introduce stm32_dma_sg_inc to manage chan->next_sg
dmaengine: stm32-dmamux: avoid reset of dmamux if used by coprocessor
dmaengine: qcom: gpi: Add support for sc7280
dt-bindings: dma: pl330: Add power-domains
dmaengine: stm32-mdma: use dev_dbg on non-busy channel spurious it
dmaengine: stm32-mdma: fix chan initialization in stm32_mdma_irq_handler()
dmaengine: stm32-mdma: remove GISR1 register
dmaengine: ti: deprecate '#dma-channels'
dmaengine: mmp: deprecate '#dma-channels'
dmaengine: pxa: deprecate '#dma-channels' and '#dma-requests'
...
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The clock controller device on r9a06g032 takes all the memory range that
is described as being a system controller. This range contains many
different (unrelated?) registers besides the ones belonging to the clock
controller, that can necessitate to be accessed from other peripherals.
For instance, the dmamux registers are there. The dmamux "device" will
be described as a child node of the clock/system controller node, which
means we need the top device driver (the clock controller driver in this
case) to populate its children manually. In case of error when
populating the children, we do not fail the probe on purpose to keep the
clk driver up and running.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220427095653.91804-7-miquel.raynal@bootlin.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The dmamux register is located within the system controller.
Without syscon, we need an extra helper in order to give write access to
this register to a dmamux driver.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220427095653.91804-5-miquel.raynal@bootlin.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add ethernet clock/reset entries to CPG driver.
Note that the AXI and CHI clocks are both enabled and disabled using
the same register bit.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220504145454.71287-2-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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The Renesas RZ/V2M SoC is very similar to RZ/G2L, though it doesn't have
any CLK_MON registers.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220503115557.53370-11-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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The RZ/V2M doesn't have a matching set of reset monitor regs for each reset
reg like the RZ/G2L. Instead, it has a single CPG_RST_MON reg which has a
single bit per module.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220503115557.53370-10-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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The RZ/V2M SoC doesn't use CLK_MON registers, so make them optional.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220503115557.53370-9-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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All of the muxes and dividers that can be modified require the HIWORD
flags, so make the macros set them. It won't affect read only muxes and
dividers.
This will make the clock tables a little easier to read, particularly for
new SoCs coming.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220503115557.53370-8-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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This just makes the clk tables easier to read.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220503115557.53370-7-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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We only ever use ARRAY_SIZE() to populate the number of parents, so
move this into the macro to always detect it automatically. This
also makes the tables of clocks a little simpler.
Similarly for the DEF_SD_MUX macro.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Link: https://lore.kernel.org/r/20220503115557.53370-6-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Fix a typo in the name of the "ostm1_pclk" clock.
This change has no run-time impact.
Fixes: 161450134ae9bab3 ("clk: renesas: r9a07g044: Add OSTM clock and reset entries")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/e0eff1f57378ec29d0d3f1a7bdd7e380583f736b.1651494871.git.geert+renesas@glider.be
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Add clock and reset entries for ADC block in CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220501083450.26541-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add TSU clock and reset entry to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220501083450.26541-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add RSPI{0,1,2} clock and reset entries to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220501083450.26541-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Controller
Add clock and reset entries for SPI Multi I/O Bus Controller.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220501083450.26541-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add DSI clock and reset entries to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-10-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add LCDC clock and reset entries to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-9-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add support for M4 clock which is sourced from pll2_533_div2.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-8-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add support for M3 clock which is sourced from DSI divider connected
to PLL5_4 mux.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-7-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add support for {M2, M2_DIV2} clocks which is sourced from pll3_533.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-6-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add support for M1 clock which is sourced from FOUTPOSTDIV.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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M3 clock is sourced from DSI Divider (DSIDIVA * DSIDIVB)
This patch add support for DSI divider clk by combining
DSIDIVA and DSIDIVB.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add PLL5_4 clk mux support to select clock from clock
sources FOUTPOSTDIV and FOUT1PH0.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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PLL5 generates FOUTPOSTDIV clk and is sourced by LCDC/DSI modules.
The FOUTPOSTDIV is connected to PLL5_4 MUX. Video clock is sourced
from DSI divider which is connected to PLL5_4 MUX.
This patch adds support for generating FOUTPOSTDIV clk.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Initial CPG support for R-Car V4H (r8a779g0).
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220428135058.597586-2-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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R-Car V4H (r8a779g0) has PLL4 so that add CLK_TYPE_GEN4_PLL4.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220425064201.459633-5-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add WDT{0,2} clock and reset entries to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425095244.156720-7-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add OSTM{0,1,2} clock and reset entries to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425095244.156720-6-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add clock and reset entries for CANFD in CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425095244.156720-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add clock/reset entries for USB PHY control, USB2.0 host and device.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425095244.156720-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add SSIF-2{0,1,2,3} clock and reset entries in CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425095244.156720-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add I2C{0,1,2,3} clock and reset entries.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425095244.156720-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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It needs to be un-gated, but also a reset must be released and an idle
flag should also be disabled.
The driver already supports all these operations, so update the
description of the RTC hclock to fit these requirements.
Fixes: 4c3d88526eba2143 ("clk: renesas: Renesas R9A06G032 clock driver")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20220421090016.79517-3-miquel.raynal@bootlin.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add the module clock used by the UFS host controller on the Renesas
R-Car S4-8 (R8A779F0) SoC.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220411124932.3765571-1-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add SDHI{0,1} mux, clock and reset entries to CPG driver
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402074626.25624-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add ETH{0,1} clock/reset entries to CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402074626.25624-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Ethernet reference clock can be sourced from PLL5_500 or PLL6. Add
support for ethernet source clock selection using SEL_PLL_6_2 mux.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402074626.25624-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add GPIO clock and reset entries in CPG driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402074626.25624-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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The clock structure for RZ/G2UL is almost identical to RZ/G2L SoC with
fewer IP blocks. The IP blocks such as WDT1, GPT, H264, GPU and POEG are
not present on RZ/G2UL.
This patch adds minimal clock and reset entries required to boot the
system on Renesas RZ/G2UL SMARC EVK and binds it with the RZ/G2L CPG core
driver.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220412161314.13800-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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The RPC and RPCD2 core clocks were added to the sections for internal
core clocks, while they are core clock outputs, visible from DT.
Move them to the correct sections.
Rename the ".rpc" clock on R-Car S4 to "rpc".
Fixup nearby whitespace to increase uniformity.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/a938b938f00939b9206d7fbaba78e2ef09915f5f.1649681891.git.geert+renesas@glider.be
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"a * (1 << b)" == "a << b".
No change in generated code.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/71e1cf2e30fb2d7966fc8ec6bab23eb7e24aa1c4.1645460687.git.geert+renesas@glider.be
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