From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wadim Egorov Subject: [PATCH v4 5/7] mfd: dt-bindings: Add RK818 device tree bindings document Date: Tue, 26 Apr 2016 16:54:08 +0200 Message-ID: <1461682450-22173-6-git-send-email-w.egorov@phytec.de> References: <1461682450-22173-1-git-send-email-w.egorov@phytec.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1461682450-22173-1-git-send-email-w.egorov-guT5V/WYfQezQB+pC5nmwQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org, sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, zyw-TNX95d0MmH7DzftRWevZcw@public.gmane.org List-Id: linux-rockchip.vger.kernel.org Add device tree bindings documentation for Rockchip's RK818 PMIC. Signed-off-by: Wadim Egorov Acked-by: Rob Herring --- Documentation/devicetree/bindings/mfd/rk808.txt | 37 +++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt index 4ca6aab..9636ae8 100644 --- a/Documentation/devicetree/bindings/mfd/rk808.txt +++ b/Documentation/devicetree/bindings/mfd/rk808.txt @@ -1,7 +1,11 @@ -RK808 Power Management Integrated Circuit +RK8XX Power Management Integrated Circuit + +The rk8xx family current members: +rk808 +rk818 Required properties: -- compatible: "rockchip,rk808" +- compatible: "rockchip,rk808", "rockchip,rk818" - reg: I2C slave address - interrupt-parent: The parent interrupt controller. - interrupts: the interrupt outputs of the controller. @@ -13,6 +17,8 @@ Optional properties: default output clock name - rockchip,system-power-controller: Telling whether or not this pmic is controlling the system power. + +Optional RK808 properties: - vcc1-supply: The input supply for DCDC_REG1 - vcc2-supply: The input supply for DCDC_REG2 - vcc3-supply: The input supply for DCDC_REG3 @@ -29,7 +35,20 @@ Optional properties: the gpio controller. If DVS GPIOs aren't present, voltage changes will happen very quickly with no slow ramp time. -Regulators: All the regulators of RK808 to be instantiated shall be +Optional RK818 properties: +- vcc1-supply: The input supply for DCDC_REG1 +- vcc2-supply: The input supply for DCDC_REG2 +- vcc3-supply: The input supply for DCDC_REG3 +- vcc4-supply: The input supply for DCDC_REG4 +- boost-supply: The input supply for DCDC_BOOST +- vcc6-supply: The input supply for LDO_REG1 and LDO_REG2 +- vcc7-supply: The input supply for LDO_REG3, LDO_REG5 and LDO_REG7 +- vcc8-supply: The input supply for LDO_REG4, LDO_REG6 and LDO_REG8 +- vcc9-supply: The input supply for LDO_REG9 and SWITCH_REG +- h_5v-supply: The input supply for HDMI_SWITCH +- usb-supply: The input supply for OTG_SWITCH + +Regulators: All the regulators of RK8XX to be instantiated shall be listed in a child node named 'regulators'. Each regulator is represented by a child node of the 'regulators' node. @@ -48,6 +67,18 @@ number as described in RK808 datasheet. - SWITCH_REGn - valid values for n are 1 to 2 +Following regulators of the RK818 PMIC block are supported. Note that +the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO +number as described in RK818 datasheet. + + - DCDC_REGn + - valid values for n are 1 to 4. + - LDO_REGn + - valid values for n are 1 to 9. + - SWITCH_REG + - HDMI_SWITCH + - OTG_SWITCH + Standard regulator bindings are used inside regulator subnodes. Check Documentation/devicetree/bindings/regulator/regulator.txt for more details -- 1.9.1