Message-ID: <14470724.O9o76ZdvQC@melttower>
Date: Tue, 16 Sep 2025 20:33:16 +0000
From: Dang Huynh <dang.huynh@...nlining.org>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 Linus Walleij <linus.walleij@...aro.org>,
 Bartosz Golaszewski <brgl@...ev.pl>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
 Philipp Zabel <p.zabel@...gutronix.de>, Sebastian Reichel <sre@...nel.org>,
 Vinod Koul <vkoul@...nel.org>, Kees Cook <kees@...nel.org>,
 "Gustavo A. R. Silva" <gustavoars@...nel.org>,
 Ulf Hansson <ulf.hansson@...aro.org>, linux-arm-kernel@...ts.infradead.org,
 linux-unisoc@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
 linux-rtc@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-pm@...r.kernel.org, dmaengine@...r.kernel.org,
 linux-hardening@...r.kernel.org, linux-mmc@...r.kernel.org
Subject: Re: [PATCH 00/25] RDA8810PL Clock, RTC and MMC driver

Hi,

On Tuesday, September 16, 2025 8:26:49 PM Coordinated Universal Time Alexandre 
Belloni wrote:
> Hello,
> 
> On 17/09/2025 03:07:17+0700, Dang Huynh wrote:
> > This patch series aims to add support for Clock/Reset, Real-Time Clock and
> > SDMMC on the RDA Micro RDA8810PL platform.
> 
> What are the dependencies between the various drivers? Ho< do you expect
> the patches to be merged?
The MMC driver depends on the clock controller (for getting APB2 rates) and 
IFC for transferring data.
> 
> If the RTC patches are independent, please send them separately.
They're independent. Noted.
> 
> > It also adds Intelligent Flow Controller (IOW, a DMA controller) which is
> > important for working with this MMC IP.
> > 
> > Tested on the Orange Pi 2G-IOT.
> > 
> > Signed-off-by: Dang Huynh <dang.huynh@...nlining.org>
> > ---
> > 
> > Dang Huynh (25):
> >       ARM: dts: unisoc: rda8810pl: Add label to GPIO nodes
> >       drivers: gpio: rda: Make IRQ optional
> >       dt-bindings: gpio: rda: Make interrupts optional
> >       rtc: Add timestamp for the end of 2127
> >       dt-bindings: rtc: Add RDA Micro RDA8810PL RTC
> >       rtc: Add driver for RDA Micro SoC
> >       ARM: dts: unisoc: rda8810pl: Enable Real-Time Clock
> >       ARM: dts: unisoc: rda8810pl: Enable ARM PMU
> >       dt-bindings: clock: Add RDA Micro RDA8810PL clock/reset controller
> >       drivers: clk: Add Clock and Reset Driver for RDA Micro RDA8810PL SoC
> >       dts: unisoc: rda8810pl: Enable clock/reset driver
> >       dts: unisoc: rda8810pl: Add OPP for CPU and define L2 cache
> >       dts: unisoc: orangepi: Disable UART with no users
> >       dt-bindings: power: reset: Add RDA Micro Modem Reset
> >       power: reset: Add basic power reset driver for RDA8810PL
> >       dts: unisoc: rda8810pl: Enable modem reset
> >       drivers: gpio: rda: Make direction register unreadable
> >       dt-bindings: dma: Add RDA IFC DMA
> >       dmaengine: Add RDA IFC driver
> >       dts: unisoc: rda8810pl: Enable IFC
> >       dt-bindings: mmc: Add RDA SDMMC controller
> >       mmc: host: Add RDA Micro SD/MMC driver
> >       dts: unisoc: rda8810pl: Add SDMMC controllers
> >       dts: unisoc: orangepi-2g: Enable SD Card
> >       dts: unisoc: orangepi-i96: Enable SD Card
> >  
> >  .../bindings/clock/rda,8810pl-apsyscon.yaml        |  44 ++
> >  Documentation/devicetree/bindings/dma/rda,ifc.yaml |  42 +
> >  .../devicetree/bindings/gpio/gpio-rda.yaml         |   3 -
> >  Documentation/devicetree/bindings/mmc/rda,mmc.yaml |  91 +++
> >  .../bindings/power/reset/rda,md-reset.yaml         |  36 +
> >  .../devicetree/bindings/rtc/rda,8810pl-rtc.yaml    |  30 +
> >  MAINTAINERS                                        |  30 +
> >  .../boot/dts/unisoc/rda8810pl-orangepi-2g-iot.dts  |  24 +-
> >  .../arm/boot/dts/unisoc/rda8810pl-orangepi-i96.dts |  24 +-
> >  arch/arm/boot/dts/unisoc/rda8810pl.dtsi            | 115 ++-
> >  drivers/clk/Kconfig                                |   1 +
> >  drivers/clk/Makefile                               |   1 +
> >  drivers/clk/rda/Kconfig                            |  14 +
> >  drivers/clk/rda/Makefile                           |   2 +
> >  drivers/clk/rda/clk-rda8810.c                      | 770
> >  +++++++++++++++++++ drivers/dma/Kconfig                                |
> >   10 +
> >  drivers/dma/Makefile                               |   1 +
> >  drivers/dma/rda-ifc.c                              | 450 +++++++++++
> >  drivers/gpio/gpio-rda.c                            |   4 +-
> >  drivers/mmc/host/Kconfig                           |  12 +
> >  drivers/mmc/host/Makefile                          |   1 +
> >  drivers/mmc/host/rda-mmc.c                         | 853
> >  +++++++++++++++++++++ drivers/power/reset/Kconfig                       
> >  |   9 +
> >  drivers/power/reset/Makefile                       |   1 +
> >  drivers/power/reset/rda-reboot.c                   |  58 ++
> >  drivers/rtc/Kconfig                                |  11 +
> >  drivers/rtc/Makefile                               |   1 +
> >  drivers/rtc/rtc-rda.c                              | 356 +++++++++
> >  include/dt-bindings/clock/rda,8810pl-apclk.h       |  79 ++
> >  include/dt-bindings/dma/rda-ifc.h                  |  28 +
> >  include/linux/rtc.h                                |   1 +
> >  31 files changed, 3079 insertions(+), 23 deletions(-)
> > 
> > ---
> > base-commit: 590b221ed4256fd6c34d3dea77aa5bd6e741bbc1
> > change-id: 20250916-rda8810pl-drivers-9a5271452635
> > 
> > Best regards,

Best regards,
Dang

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