From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomeu Vizoso Subject: [PATCH v3 08/10] ARM: tegra: Use pwrseq-simple for the wifi in Nyan Date: Wed, 28 Jan 2015 11:51:06 +0100 Message-ID: <1422442278-10405-9-git-send-email-tomeu.vizoso@collabora.com> References: <1422442278-10405-1-git-send-email-tomeu.vizoso@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1422442278-10405-1-git-send-email-tomeu.vizoso@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: linux-kernel@vger.kernel.org Cc: Mark Rutland , Alexandre Courbot , Russell King , Pawel Moll , Tomeu Vizoso , Ian Campbell , Andrew Bresticker , Simon Glass , Stephen Warren , devicetree@vger.kernel.org, Rob Herring , Thierry Reding , Kumar Gala , linux-tegra@vger.kernel.org, Dylan Reid , Javier Martinez Canillas , linux-arm-kernel@lists.infradead.org List-Id: linux-tegra@vger.kernel.org The Nyan boards have a Marvell 88w8897 wifi card connected through SDIO that needs the reset line to be asserted before mmc power up and deasserted afterwards. This patch also adds references to the power supplies of the card so that the regulators are enabled when it's probed. Signed-off-by: Tomeu Vizoso --- arch/arm/boot/dts/tegra124-nyan.dtsi | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi index 26e7402..632d181 100644 --- a/arch/arm/boot/dts/tegra124-nyan.dtsi +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi @@ -207,7 +207,6 @@ regulator-name = "+1.8V_VDDIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; - regulator-boot-on; regulator-always-on; }; @@ -364,12 +363,20 @@ status = "okay"; }; + sdhci0_pwrseq: sdhci0_pwrseq { + compatible = "mmc-pwrseq-simple"; + + reset-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>; + }; + sdhci@0,700b0000 { /* WiFi/BT on this bus */ status = "okay"; - power-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_HIGH>; bus-width = <4>; no-1-8-v; non-removable; + mmc-pwrseq = <&sdhci0_pwrseq>; + vmmc-supply = <&vdd_3v3_lp0>; + vqmmc-supply = <&vddio_1v8>; }; sdhci@0,700b0400 { /* SD Card on this bus */ -- 1.9.3 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933363AbbA2DFV (ORCPT ); Wed, 28 Jan 2015 22:05:21 -0500 Received: from mail-wi0-f178.google.com ([209.85.212.178]:38781 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933331AbbA2DFO (ORCPT ); Wed, 28 Jan 2015 22:05:14 -0500 From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Dylan Reid , Andrew Bresticker , Simon Glass , Tomeu Vizoso , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Stephen Warren , Thierry Reding , Alexandre Courbot , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org Subject: [PATCH v3 08/10] ARM: tegra: Use pwrseq-simple for the wifi in Nyan Date: Wed, 28 Jan 2015 11:51:06 +0100 Message-Id: <1422442278-10405-9-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1422442278-10405-1-git-send-email-tomeu.vizoso@collabora.com> References: <1422442278-10405-1-git-send-email-tomeu.vizoso@collabora.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Nyan boards have a Marvell 88w8897 wifi card connected through SDIO that needs the reset line to be asserted before mmc power up and deasserted afterwards. This patch also adds references to the power supplies of the card so that the regulators are enabled when it's probed. Signed-off-by: Tomeu Vizoso --- arch/arm/boot/dts/tegra124-nyan.dtsi | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi index 26e7402..632d181 100644 --- a/arch/arm/boot/dts/tegra124-nyan.dtsi +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi @@ -207,7 +207,6 @@ regulator-name = "+1.8V_VDDIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; - regulator-boot-on; regulator-always-on; }; @@ -364,12 +363,20 @@ status = "okay"; }; + sdhci0_pwrseq: sdhci0_pwrseq { + compatible = "mmc-pwrseq-simple"; + + reset-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>; + }; + sdhci@0,700b0000 { /* WiFi/BT on this bus */ status = "okay"; - power-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_HIGH>; bus-width = <4>; no-1-8-v; non-removable; + mmc-pwrseq = <&sdhci0_pwrseq>; + vmmc-supply = <&vdd_3v3_lp0>; + vqmmc-supply = <&vddio_1v8>; }; sdhci@0,700b0400 { /* SD Card on this bus */ -- 1.9.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomeu.vizoso@collabora.com (Tomeu Vizoso) Date: Wed, 28 Jan 2015 11:51:06 +0100 Subject: [PATCH v3 08/10] ARM: tegra: Use pwrseq-simple for the wifi in Nyan In-Reply-To: <1422442278-10405-1-git-send-email-tomeu.vizoso@collabora.com> References: <1422442278-10405-1-git-send-email-tomeu.vizoso@collabora.com> Message-ID: <1422442278-10405-9-git-send-email-tomeu.vizoso@collabora.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The Nyan boards have a Marvell 88w8897 wifi card connected through SDIO that needs the reset line to be asserted before mmc power up and deasserted afterwards. This patch also adds references to the power supplies of the card so that the regulators are enabled when it's probed. Signed-off-by: Tomeu Vizoso --- arch/arm/boot/dts/tegra124-nyan.dtsi | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi index 26e7402..632d181 100644 --- a/arch/arm/boot/dts/tegra124-nyan.dtsi +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi @@ -207,7 +207,6 @@ regulator-name = "+1.8V_VDDIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; - regulator-boot-on; regulator-always-on; }; @@ -364,12 +363,20 @@ status = "okay"; }; + sdhci0_pwrseq: sdhci0_pwrseq { + compatible = "mmc-pwrseq-simple"; + + reset-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_LOW>; + }; + sdhci at 0,700b0000 { /* WiFi/BT on this bus */ status = "okay"; - power-gpios = <&gpio TEGRA_GPIO(X, 7) GPIO_ACTIVE_HIGH>; bus-width = <4>; no-1-8-v; non-removable; + mmc-pwrseq = <&sdhci0_pwrseq>; + vmmc-supply = <&vdd_3v3_lp0>; + vqmmc-supply = <&vddio_1v8>; }; sdhci at 0,700b0400 { /* SD Card on this bus */ -- 1.9.3