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From: Doug Anderson <dianders@chromium.org>
To: Ulf Hansson <ulf.hansson@linaro.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Jaehoon Chung <jh80.chung@samsung.com>,
	Seungwon Jeon <tgih.jun@samsung.com>
Cc: Mark Brown <broonie@kernel.org>,
	Alexandru Stan <amstan@chromium.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Sonny Rao <sonnyrao@chromium.org>,
	Andrew Bresticker <abrestic@chromium.org>,
	Addy Ke <addy.ke@rock-chips.com>,
	javier.martinez@collabora.co.uk,
	linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	Doug Anderson <dianders@chromium.org>,
	robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
	linux@arm.linux.org.uk, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v4 4/4] ARM: dts: Specify VMMC and VQMMC on rk3288-evb
Date: Wed, 11 Mar 2015 15:15:17 -0700	[thread overview]
Message-ID: <1426112117-18220-4-git-send-email-dianders@chromium.org> (raw)
In-Reply-To: <1426112117-18220-1-git-send-email-dianders@chromium.org>

Specifying these rails should eventually let us do UHS.

Signed-off-by: Doug Anderson <dianders@chromium.org>
---
Changes in v4:
- Add vcc_sd regulator which is present on EVB 2.0 boards

Changes in v3: None
Changes in v2:
- Fix subject line

 arch/arm/boot/dts/rk3288-evb.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index 5e895a5..6d4ae9f 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -103,6 +103,23 @@
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	/*
+	 * NOTE: vcc_sd isn't hooked up on v1.0 boards where power comes from
+	 * vcc_io directly.  Those boards won't be able to power cycle SD cards
+	 * but it shouldn't hurt to toggle this pin there anyway.
+	 */
+	vcc_sd: sdmmc-regulator {
+		compatible = "regulator-fixed";
+		gpio = <&gpio7 11 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sdmmc_pwr>;
+		regulator-name = "vcc_sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <100000>;
+		vin-supply = <&vcc_io>;
+	};
 };
 
 &emmc {
@@ -132,6 +149,8 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
 	status = "okay";
+	vmmc-supply = <&vcc_sd>;
+	vqmmc-supply = <&vccio_sd>;
 };
 
 &i2c0 {
@@ -223,6 +242,10 @@
 		sdmmc_cmd: sdmmc-cmd {
 			rockchip,pins = <6 21 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
 		};
+
+		sdmmc_pwr: sdmmc-pwr {
+			rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
 	};
 
 	usb {
-- 
2.2.0.rc0.207.ga3a616c


  parent reply	other threads:[~2015-03-11 22:24 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-11 22:15 [PATCH v4 1/4] mmc: dw_mmc: Don't try to enable the CD until we're sure we're not deferring Doug Anderson
2015-03-11 22:15 ` [PATCH v4 2/4] mmc: core: Add mmc_regulator_set_vqmmc() Doug Anderson
2015-03-16 14:05   ` Ulf Hansson
2015-03-16 15:12     ` Doug Anderson
2015-03-17 10:23       ` Ulf Hansson
2015-03-17 10:38         ` Mark Brown
2015-03-17 11:28           ` Ulf Hansson
2015-03-19  4:09         ` Doug Anderson
2015-03-19 11:14           ` Ulf Hansson
2015-03-19 11:36             ` Mark Brown
2015-03-20 10:55               ` Ulf Hansson
2015-03-20 11:28                 ` Mark Brown
2015-04-07 20:05                   ` Doug Anderson
2015-04-08 11:28                     ` Mark Brown
2015-03-11 22:15 ` [PATCH v4 3/4] mmc: dw_mmc: Use mmc_regulator_set_vqmmc in start_signal_voltage_switch Doug Anderson
2015-03-11 22:15 ` Doug Anderson [this message]
2015-03-11 23:30   ` [PATCH v4 4/4] ARM: dts: Specify VMMC and VQMMC on rk3288-evb Heiko Stuebner
2015-04-07 21:37     ` Heiko Stübner
2015-03-13 11:32 ` [PATCH v4 1/4] mmc: dw_mmc: Don't try to enable the CD until we're sure we're not deferring Jaehoon Chung
2015-03-13 12:10   ` Heiko Stuebner
2015-03-16  2:09     ` Jaehoon Chung
2015-03-27  5:55 ` Jaehoon Chung
2015-03-27 15:46   ` Doug Anderson

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