linux-kernel - [PATCH v0 0/2] Add sdmmc UHS support to ROC-RK3328-CC board

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Date:   Tue,  8 May 2018 10:48:22 +0800
From:   djw@...hip.com.cn
To:     linux-rockchip@...ts.infradead.org
Cc:     Wayne Chou <zxf@...hip.com.cn>, Levin Du <djw@...hip.com.cn>,
        devicetree@...r.kernel.org, David Wu <david.wu@...k-chips.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Liang Chen <cl@...k-chips.com>,
        William Wu <william.wu@...k-chips.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Rocky Hao <rocky.hao@...k-chips.com>,
        Will Deacon <will.deacon@....com>,
        Joseph Chen <chenjh@...k-chips.com>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        linux-arm-kernel@...ts.infradead.org,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH v0 0/2] Add sdmmc UHS support to ROC-RK3328-CC board

From: Levin Du <djw@...hip.com.cn>

Hi all,

This is an attemp to add sdmmc UHS support to the ROC-RK3328-CC board.

It adds a new compatible `rockchip,rk3328-gpio-syscon10` to the gpio-syscon
driver,  so that a new gpio controller named `gpio_syscon10` can be defined
and used in the regulator-gpio. This regulator controls the signal voltage of the
sdmmc. It is essential for UHS support which requires 1.8V signal voltage.


Levin Du (2):
  gpio: syscon: Add gpio-syscon for rk3328
  arm64: dts: rockchip: Add sdmmc UHS support for roc-rk3328-cc

 arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts | 36 ++++++++++++++++++++++++++
 drivers/gpio/gpio-syscon.c                     | 32 +++++++++++++++++++++++
 2 files changed, 68 insertions(+)

-- 
2.7.4