From mboxrd@z Thu Jan 1 00:00:00 1970 From: Romain Perier Subject: [PATCH 4/4] arm: dts: rockchip: Enable post_ios_power_on and pre-power-on-delay-ms Date: Wed, 1 Mar 2017 15:53:10 +0100 Message-ID: <20170301145310.22813-5-romain.perier@collabora.com> References: <20170301145310.22813-1-romain.perier@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170301145310.22813-1-romain.perier@collabora.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Ulf Hansson Cc: Romain Perier , Sjoerd Simons , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-mmc@vger.kernel.org This enables the property post_ios_power_on. With this property, the driver pwrseq_simple will do its entire power sequence at the end of the mmc_power_up() function. The property pre-power-on-delay-ms adds a delay of 1ms between the enablement of the clk and the assertion of the reset line. It fixes the power-up sequence for the Wifi chipset AP6335. Signed-off-by: Romain Perier --- arch/arm/boot/dts/rk3288-rock2-square.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/rk3288-rock2-square.dts b/arch/arm/boot/dts/rk3288-rock2-square.dts index 818c4bf..9bf2991 100644 --- a/arch/arm/boot/dts/rk3288-rock2-square.dts +++ b/arch/arm/boot/dts/rk3288-rock2-square.dts @@ -106,6 +106,8 @@ pinctrl-names = "default"; pinctrl-0 = <&wifi_enable>; reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>; + pre-power-on-delay-ms = <1>; + post-ios-power-on; }; vcc_usb_host: vcc-host-regulator { -- 2.9.3