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Message-ID: <20250530171841.423274-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Fri, 30 May 2025 18:18:37 +0100
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
Andrzej Hajda <andrzej.hajda@...el.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Robert Foss <rfoss@...nel.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>,
Simona Vetter <simona@...ll.ch>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Biju Das <biju.das.jz@...renesas.com>,
Magnus Damm <magnus.damm@...il.com>
Cc: dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-renesas-soc@...r.kernel.org,
linux-clk@...r.kernel.org,
Prabhakar <prabhakar.csengg@...il.com>,
Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH v6 0/4] Add support for DU/DSI clocks and DSI driver support for the Renesas RZ/V2H(P) SoC
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Hi All,
This patch series adds DU/DSI clocks and provides support for the
MIPI DSI interface on the RZ/V2H(P) SoC. It was originally part of
series [0], but has now been split into 4 patches due to dependencies
on the clock driver, making it easier to review and merge.
[0] https://lore.kernel.org/all/20250430204112.342123-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
Note: This patch series applies on top of the following patch series:
[1] https://lore.kernel.org/all/20250530165906.411144-1-prabhakar.mahadev-lad.rj@bp.renesas.com/
v5-> v6:
- Renamed CPG_PLL_STBY_SSCGEN_WEN to CPG_PLL_STBY_SSC_EN_WEN
- Updated CPG_PLL_CLK1_DIV_K, CPG_PLL_CLK1_DIV_M, and
CPG_PLL_CLK1_DIV_P macros to use GENMASK
- Updated req->rate in rzv2h_cpg_plldsi_div_determine_rate()
- Dropped the cast in rzv2h_cpg_plldsi_div_set_rate()
- Dropped rzv2h_cpg_plldsi_round_rate() and implemented
rzv2h_cpg_plldsi_determine_rate() instead
- Made use of FIELD_PREP()
- Moved CPG_CSDIV1 macro in patch 2/4
- Dropped two_pow_s in rzv2h_dsi_get_pll_parameters_values()
- Used mul_u32_u32() while calculating output_m and output_k_range
- Used div_s64() instead of div64_s64() while calculating
pll_k
- Used mul_u32_u32() while calculating fvco and fvco checks
- Rounded the final output using DIV_U64_ROUND_CLOSEST()
- Renamed CLK_DIV_PLLETH_LPCLK to CLK_CDIV4_PLLETH_LPCLK
- Renamed CLK_CSDIV_PLLETH_LPCLK to CLK_PLLETH_LPCLK_GEAR
- Renamed CLK_PLLDSI_SDIV2 to CLK_PLLDSI_GEAR
- Renamed plldsi_sdiv2 to plldsi_gear
- Preserved the sort order (by part number).
- Added reviewed tag from Geert.
- Made use of GENMASK() macro for PLLCLKSET0R_PLL_*,
PHYTCLKSETR_* and PHYTHSSETR_* macros.
- Replaced 10000000UL with 10 * MEGA
- Renamed mode_freq_hz to mode_freq_khz in rzv2h_dsi_mode_calc
- Replaced `i -= 1;` with `i--;`
- Renamed RZV2H_MIPI_DPHY_FOUT_MIN_IN_MEGA to
RZV2H_MIPI_DPHY_FOUT_MIN_IN_MHZ and
RZV2H_MIPI_DPHY_FOUT_MAX_IN_MEGA to
RZV2H_MIPI_DPHY_FOUT_MAX_IN_MHZ.
Cheers,
Prabhakar
Lad Prabhakar (4):
clk: renesas: rzv2h-cpg: Add support for DSI clocks
clk: renesas: r9a09g057: Add clock and reset entries for DSI and LCDC
dt-bindings: display: bridge: renesas,dsi: Add support for RZ/V2H(P)
SoC
drm: renesas: rz-du: mipi_dsi: Add support for RZ/V2H(P) SoC
.../bindings/display/bridge/renesas,dsi.yaml | 116 ++++--
drivers/clk/renesas/r9a09g057-cpg.c | 63 ++++
drivers/clk/renesas/rzv2h-cpg.c | 278 +++++++++++++-
drivers/clk/renesas/rzv2h-cpg.h | 17 +
.../gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c | 345 ++++++++++++++++++
.../drm/renesas/rz-du/rzg2l_mipi_dsi_regs.h | 34 ++
include/linux/clk/renesas-rzv2h-dsi.h | 210 +++++++++++
7 files changed, 1025 insertions(+), 38 deletions(-)
create mode 100644 include/linux/clk/renesas-rzv2h-dsi.h
--
2.49.0
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