New patch to review for coreboot: 7a61556 xpowers/axp209: Allow voltages to be sepecified in devicetree.cb

[Alexandru Gagniuc]

Alexandru Gagniuc ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4637

-gerrit

commit 7a61556729ad014554e45fcc5fe7adf855225ebc
Author: Alexandru Gagniuc 
Date:   Thu Jan 9 20:07:10 2014 -0600

xpowers/axp209: Allow voltages to be sepecified in devicetree.cb

This allows system voltages to be specified uniformly, rather than
    hardcoding them for each board. This will be used by cubieboard in an
    upcoming patch.

Change-Id: I9dc2d3281d076c359c3fad13688649f7d36c0001
    Signed-off-by: Alexandru Gagniuc 
---
 src/drivers/xpowers/axp209/axp209.c | 13 +++++++++++++
 src/drivers/xpowers/axp209/chip.h   | 21 +++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/src/drivers/xpowers/axp209/axp209.c b/src/drivers/xpowers/axp209/axp209.c
index 68ab8a5..647f10e 100644
--- a/src/drivers/xpowers/axp209/axp209.c
+++ b/src/drivers/xpowers/axp209/axp209.c
@@ -9,7 +9,9 @@
  */

#include "axp209.h"
+#include "chip.h"

+#include <device/device.h>
 #include <device/i2c.h>

/* Hide these definitions from the rest of the source, so keep them here */
@@ -228,3 +230,14 @@ enum cb_err axp209_set_ldo4_voltage(u8 bus, u16 millivolts)

return CB_SUCCESS;
 }
+ 
+/*
+ * Usually, the AXP209 is enabled and configured in romstage, so there is no
+ * need for a full ramstage driver. Hence .enable_dev is NULL.
+ */
+#ifndef __PRE_RAM__
+struct chip_operations drivers_xpowers_axp209_config = {
+	CHIP_NAME("X-Powers AXP 209 Power Management Unit")
+	.enable_dev = NULL,
+};
+#endif /* __PRE_RAM__ */
diff --git a/src/drivers/xpowers/axp209/chip.h b/src/drivers/xpowers/axp209/chip.h
new file mode 100644
index 0000000..a9023d8
--- /dev/null
+++ b/src/drivers/xpowers/axp209/chip.h
@@ -0,0 +1,21 @@
+/*
+ * Definitions for X-Powers AXP 209 Power Management Unit
+ *
+ * Copyright (C) 2013  Alexandru Gagniuc 
+ * Subject to the GNU GPL v2, or (at your option) any later version.
+ */
+
+#ifndef AXP209_CHIP_H
+#define AXP209_CHIP_H
+
+#include <types.h>
+
+struct drivers_xpowers_axp209_config {
+	u16 dcdc2_voltage_mv;	/**< DCDC2 converter voltage output */
+	u16 dcdc3_voltage_mv;	/**< DCDC3 converter voltage output */
+	u16 ldo2_voltage_mv;	/**< LDO2 regulator voltage output */
+	u16 ldo3_voltage_mv;	/**< LDO3 regulator voltage output */
+	u16 ldo4_voltage_mv;	/**< LDO4 regulator voltage output */
+};
+
+#endif				/* AXP209_CHIP_H */