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authorDoug Anderson <dianders@chromium.org>2011-10-17 17:56:54 -0700
committerGerrit <chrome-bot@google.com>2011-10-28 11:08:57 -0700
commit59700e830d14730f4df65feb83c0fe0a5e3e33b9 (patch)
tree2ac65ca0dc9e1bde8d48f1f7dc2a464aa52f3bdd /arch/arm/include/asm
parent186e1be5e2555ff51d496ad7a179b5988ae6be9a (diff)
mmc: tegra3: Add MMC support for Tegra3 (specifically, waluigi)
BUG=chromium-os:21540 TEST=Able to talk to MMC1 on Waluigi w/ future config changes. Specifically: 1. mmcinfo 0 - works (shows info) 2. mmcinfo 1 - works (shows info) 3. mmc rescan 1; mmc part 1 - works (shows partitions) Change-Id: I730d3b91088f20ccf7ca20f3f31f7d59514af243 Signed-off-by: Doug Anderson <dianders@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/10661 Reviewed-by: Tom Warren <twarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r--arch/arm/include/asm/arch-tegra3/pmu.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra3/pmu.h b/arch/arm/include/asm/arch-tegra3/pmu.h
new file mode 100644
index 0000000000..e2ed1d0325
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra3/pmu.h
@@ -0,0 +1,38 @@
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _ARCH_PMU_H_
+#define _ARCH_PMU_H_
+
+#define DVC_I2C_BUS_NUMBER 0
+#define PMU_I2C_ADDRESS 0x2D
+
+#define PMU_LDO5_REG 0x32 /* VDD_SDMMC1 */
+#define PMU_LDO5_ON 0x01
+#define PMU_LDO5_SLEEP 0x02
+#define PMU_LDO5_SEL_1_0V 0x08
+#define PMU_LDO5_SEL_0_1V_DELTA 0x04
+#define PMU_LDO5_SEL(decivolts) ((decivolts - 10) * PMU_LDO5_SEL_0_1V_DELTA + \
+ PMU_LDO5_SEL_1_0V)
+
+#endif /* _ARCH_PMU_H_ */