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From: Lucas Stach <dev@lynxeye.de>
To: barebox@lists.infradead.org
Subject: [PATCH v2 11/25] ARM: tegra: beaver: activate sdmmc1 voltage rail
Date: Wed, 14 May 2014 22:45:38 +0200	[thread overview]
Message-ID: <1400100352-13002-11-git-send-email-dev@lynxeye.de> (raw)
In-Reply-To: <1400100352-13002-1-git-send-email-dev@lynxeye.de>

In order to get the SD card solt working.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
---
One day we might move this to a regulator, but now
isn't the time.
---
 arch/arm/boards/nvidia-beaver/Makefile |  1 +
 arch/arm/boards/nvidia-beaver/board.c  | 38 ++++++++++++++++++++++++++++++++++
 arch/arm/mach-tegra/Kconfig            |  2 ++
 3 files changed, 41 insertions(+)
 create mode 100644 arch/arm/boards/nvidia-beaver/board.c

diff --git a/arch/arm/boards/nvidia-beaver/Makefile b/arch/arm/boards/nvidia-beaver/Makefile
index d2d217319b34..2b6c09e2798e 100644
--- a/arch/arm/boards/nvidia-beaver/Makefile
+++ b/arch/arm/boards/nvidia-beaver/Makefile
@@ -2,3 +2,4 @@ CFLAGS_pbl-entry.o := \
 	-mcpu=arm7tdmi -march=armv4t \
 	-fno-tree-switch-conversion -fno-jump-tables
 lwl-y += entry.o
+obj-y += board.o
diff --git a/arch/arm/boards/nvidia-beaver/board.c b/arch/arm/boards/nvidia-beaver/board.c
new file mode 100644
index 000000000000..e87594d5b700
--- /dev/null
+++ b/arch/arm/boards/nvidia-beaver/board.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Lucas Stach <l.stach@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <i2c/i2c.h>
+
+static int nvidia_beaver_devices_init(void)
+{
+	struct i2c_client client;
+	u8 data;
+
+	if (!of_machine_is_compatible("nvidia,beaver"))
+		return 0;
+
+	client.adapter = i2c_get_adapter(4);
+	client.addr = 0x2d;
+
+	/* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 */
+	data = 0x65;
+	i2c_write_reg(&client, 0x32, &data, 1);
+
+	return 0;
+}
+device_initcall(nvidia_beaver_devices_init);
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 1bbe6ce5e1bc..5e2b4cb16dcf 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -63,6 +63,8 @@ config MACH_TOSHIBA_AC100
 config MACH_NVIDIA_BEAVER
 	bool "NVIDIA Beaver"
 	select ARCH_TEGRA_3x_SOC
+	select I2C
+	select I2C_TEGRA
 
 endmenu
 
-- 
1.9.0


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  parent reply	other threads:[~2014-05-14 20:47 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-14 20:45 [PATCH v2 01/25] reset: add reset controller framework Lucas Stach
2014-05-14 20:45 ` [PATCH v2 02/25] tegra: lowlevel: add function to fetch chipid Lucas Stach
2014-05-14 20:45 ` [PATCH v2 03/25] reset: add tegra reset controller Lucas Stach
2014-05-14 20:45 ` [PATCH v2 04/25] clk: tegra: reset UARTS from clock controller Lucas Stach
2014-05-14 20:45 ` [PATCH v2 05/25] mci: tegra: add reset control Lucas Stach
2014-05-14 20:45 ` [PATCH v2 06/25] clk: tegra: remove device reset hack Lucas Stach
2014-05-14 20:45 ` [PATCH v2 07/25] clk: tegra: allow to register clocks with 16 bit divider Lucas Stach
2014-05-14 20:45 ` [PATCH v2 08/25] clk: tegra30: register i2c clocks Lucas Stach
2014-05-14 20:45 ` [PATCH v2 09/25] clk: tegra20: " Lucas Stach
2014-05-14 20:45 ` [PATCH v2 10/25] i2c: add Tegra driver Lucas Stach
2014-05-14 20:45 ` Lucas Stach [this message]
2014-05-14 20:45 ` [PATCH v2 12/25] ARM: tegra: beaver: adjust pinmux to make sdmmc1 work Lucas Stach
2014-05-14 20:45 ` [PATCH v2 13/25] mci: tegra: apply pad autocalibration on T30 Lucas Stach
2014-05-14 20:45 ` [PATCH v2 14/25] mci: tegra: don't set 8bit mode unconditionally Lucas Stach
2014-05-14 20:45 ` [PATCH v2 15/25] pinctrl: tegra30: parse drive groups Lucas Stach
2014-05-14 20:45 ` [PATCH v2 16/25] scripts: tegra: import cbootimage Lucas Stach
2014-05-14 20:45 ` [PATCH v2 17/25] tegra: cbootimage: remove noisy output Lucas Stach
2014-05-14 20:45 ` [PATCH v2 18/25] Makefile.lib: add rule to built Tegra BCTs Lucas Stach
2014-05-14 20:45 ` [PATCH v2 19/25] images: add Tegra20 image build rules Lucas Stach
2014-05-14 20:45 ` [PATCH v2 20/25] images: add Tegra30 " Lucas Stach
2014-05-14 20:45 ` [PATCH v2 21/25] ARM: boards: colibri t20: import BCT cfgs Lucas Stach
2014-05-14 20:45 ` [PATCH v2 22/25] images: tegra: build all Toradex Colibri images Lucas Stach
2014-05-14 20:45 ` [PATCH v2 23/25] ARM: boards: beaver: import BCT cfg Lucas Stach
2014-05-14 20:45 ` [PATCH v2 24/25] images: tegra: build NVidia Beaver image Lucas Stach
2014-05-14 20:45 ` [PATCH v2 25/25] images: tegra: rename ac100 image Lucas Stach

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