From: Chris Zhong <zyw@rock-chips.com>
To: heiko@sntech.de, dianders@chromium.org, broonie@kernel.org
Cc: linux-rockchip@lists.infradead.org,
Chris Zhong <zyw@rock-chips.com>,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Lee Jones <lee.jones@linaro.org>,
Zhang Qing <zhangqing@rock-chips.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] mfd: dt-bindings: add the description about dvs gpio for rk808
Date: Tue, 9 Dec 2014 21:51:46 +0800 [thread overview]
Message-ID: <1418133106-5634-3-git-send-email-zyw@rock-chips.com> (raw)
In-Reply-To: <1418133106-5634-1-git-send-email-zyw@rock-chips.com>
add the description about dvs1, dvs2, dvsok, and add the example.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
---
Documentation/devicetree/bindings/mfd/rk808.txt | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
index 9e6e259..d40131b 100644
--- a/Documentation/devicetree/bindings/mfd/rk808.txt
+++ b/Documentation/devicetree/bindings/mfd/rk808.txt
@@ -24,6 +24,11 @@ Optional properties:
- vcc10-supply: The input supply for LDO_REG6
- vcc11-supply: The input supply for LDO_REG8
- vcc12-supply: The input supply for SWITCH_REG2
+- dvs-gpios: buck1/2 can be controlled by gpio dvs, this is GPIO specifiers
+ for 2 host gpio's used for dvs. The format of the gpio specifier depends in
+ the gpio controller.
+- dvsok-gpios: if we use dvs gpio to control buck1/2, this gpio will be pull
+ high, once RK808 completed the adjustment of voltage.
Regulators: All the regulators of RK808 to be instantiated shall be
listed in a child node named 'regulators'. Each regulator is represented
@@ -55,7 +60,10 @@ Example:
interrupt-parent = <&gpio0>;
interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
- pinctrl-0 = <&pmic_int>;
+ pinctrl-0 = <&pmic_int &dvs_ok &dvs_1 &dvs_2>;
+ dvsok-gpios = <&gpio7 9 GPIO_ACTIVE_HIGH>;
+ dvs-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>,
+ <&gpio7 15 GPIO_ACTIVE_HIGH>;
reg = <0x1b>;
rockchip,system-power-controller;
wakeup-source;
--
1.9.1
prev parent reply other threads:[~2014-12-09 13:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-09 13:51 [PATCH 0/2] add the dvs support for rk808 Chris Zhong
2014-12-09 13:51 ` Chris Zhong
2014-12-09 13:51 ` [PATCH 1/2] regulator: rk808: add dvs support Chris Zhong
2014-12-10 0:41 ` Doug Anderson
2014-12-09 13:51 ` Chris Zhong [this message]
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