linux-kernel - Re: [PATCH v2 0/4] Allwinner H6 RSB support

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Message-ID: <20210106110400.kjy2zjxgakpgya7z@gilmour>
Date:   Wed, 6 Jan 2021 12:04:00 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Samuel Holland <samuel@...lland.org>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andre Przywara <andre.przywara@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 0/4] Allwinner H6 RSB support

On Sun, Jan 03, 2021 at 04:00:03AM -0600, Samuel Holland wrote:
> The Allwinner H6 SoC contains an RSB controller. It is almost completely
> undocumented, so it was missed when doing the initial SoC bringup.
> 
> This series adds the clock/reset, pin configuration, and device tree
> node needed to use the RSB controller. Since RSB is faster, simpler, and
> generally more reliable than the I2C controller IP in the SoC, switch to
> using it where possible.
> 
> This was tested on an Orange Pi 3 and a Pine H64 model B. This series
> does not switch the Pine H64 to use RSB, as doing so would prevent
> accessing the external RTC that shares the I2C bus.
> 
> Changes v1->v2:
>   - Put the new values at the end of the DT binding headers
> 
> Samuel Holland (4):
>   clk: sunxi-ng: h6-r: Add R_APB2_RSB clock and reset
>   pinctrl: sunxi: h6-r: Add s_rsb pin functions
>   arm64: dts: allwinner: h6: Add RSB controller node
>   arm64: dts: allwinner: h6: Use RSB for AXP805 PMIC connection

For the whole series,

Acked-by: Maxime Ripard <mripard@...nel.org>

Thanks!
Maxime

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