From: djw@t-chip.com.cn
To: linux-rockchip@lists.infradead.org
Cc: Wayne Chou <zxf@t-chip.com.cn>, Levin Du <djw@t-chip.com.cn>,
Heiko Stuebner <heiko@sntech.de>,
devicetree@vger.kernel.org, David Wu <david.wu@rock-chips.com>,
Arnd Bergmann <arnd@arndb.de>,
Finley Xiao <finley.xiao@rock-chips.com>,
Liang Chen <cl@rock-chips.com>,
William Wu <william.wu@rock-chips.com>,
Linus Walleij <linus.walleij@linaro.org>,
Sugar Zhang <sugar.zhang@rock-chips.com>,
linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
Robin Murphy <robin.murphy@arm.com>,
Rob Herring <robh+dt@kernel.org>,
Rocky Hao <rocky.hao@rock-chips.com>,
Will Deacon <will.deacon@arm.com>,
Joseph Chen <chenjh@rock-chips.com>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1 0/5] Add sdmmc UHS support to ROC-RK3328-CC board.
Date: Thu, 10 May 2018 17:16:35 +0800 [thread overview]
Message-ID: <1525943800-14095-1-git-send-email-djw@t-chip.com.cn> (raw)
From: Levin Du <djw@t-chip.com.cn>
Hi all, this is an attemp to add sdmmc UHS support to the
ROC-RK3328-CC board.
This patch series adds a new compatible `rockchip,gpio-syscon` to
the gpio-syscon driver for general Rockchip SoC usage..
A new gpio controller named `gpio_syscon10` is defined in
rk3328.dtsi so that all rk3328 boards has access to it.
The ROC-RK3328-CC board use the new gpio <&gpio_syscon10 1> in
gpio-regulator to control the signal voltage of the sdmmc.
It is essential for UHS support which requires 1.8V signal voltage.
Many thanks to Heiko's great advice!
Changes in v1:
- Refactured for general gpio-syscon usage for Rockchip SoCs.
- Add doc rockchip,gpio-syscon.txt .
- Split into small patches.
- Add gpio-syscon10 to rk3328 for general use.
- Sort dts properties in sdmmc node.
Heiko Stuebner (1):
gpio: syscon: allow fetching syscon from parent node
Levin Du (4):
gpio: syscon: Add gpio-syscon for rockchip
arm64: dts: rockchip: Add gpio-syscon10 to rk3328
arm64: dts: rockchip: Add io-domain to roc-rk3328-cc
arm64: dts: rockchip: Add sdmmc UHS support for roc-rk3328-cc
.../bindings/gpio/rockchip,gpio-syscon.txt | 41 ++++++++++++++++++++++
arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts | 30 ++++++++++++++++
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 6 ++++
drivers/gpio/gpio-syscon.c | 32 +++++++++++++++++
4 files changed, 109 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/rockchip,gpio-syscon.txt
--
2.7.4
next reply other threads:[~2018-05-10 9:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-10 9:16 djw [this message]
2018-05-10 9:16 ` [PATCH v1 1/5] gpio: syscon: allow fetching syscon from parent node djw
2018-05-10 9:16 ` [PATCH v1 2/5] gpio: syscon: Add gpio-syscon for rockchip djw
2018-05-10 14:56 ` Robin Murphy
2018-05-11 2:16 ` Levin Du
2018-05-10 9:16 ` [PATCH v1 3/5] arm64: dts: rockchip: Add gpio-syscon10 to rk3328 djw
2018-05-10 12:50 ` Robin Murphy
2018-05-11 3:45 ` Levin Du
2018-05-11 12:24 ` Rob Herring
2018-05-14 1:28 ` Levin Du
2018-05-11 12:22 ` Rob Herring
2018-05-14 1:22 ` Levin Du
2018-05-10 9:16 ` [PATCH v1 4/5] arm64: dts: rockchip: Add io-domain to roc-rk3328-cc djw
2018-05-10 9:27 ` djw
2018-05-10 9:28 ` [PATCH v1 5/5] arm64: dts: rockchip: Add sdmmc UHS support for roc-rk3328-cc djw
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