ARM: OMAP5: voltagedomain data: Add OMAP5 voltage domain data

Add voltagedomain related data for OMAP54XX SOCs. OMAP4 OPP data is
used for now. OMAP5 OPP data will be added as part of OMAP5 DVFS
support.

Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>

2 files changed, 103 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/voltage.h b/arch/arm/mach-omap2/voltage.h
index a0ce4f1..5998eed 100644
--- a/arch/arm/mach-omap2/voltage.h
+++ b/arch/arm/mach-omap2/voltage.h
@@ -171,6 +171,7 @@ extern void omap2xxx_voltagedomains_init(void);
 extern void omap3xxx_voltagedomains_init(void);
 extern void am33xx_voltagedomains_init(void);
 extern void omap44xx_voltagedomains_init(void);
+extern void omap54xx_voltagedomains_init(void);
 
 struct voltagedomain *voltdm_lookup(const char *name);
 void voltdm_init(struct voltagedomain **voltdm_list);
diff --git a/arch/arm/mach-omap2/voltagedomains54xx_data.c b/arch/arm/mach-omap2/voltagedomains54xx_data.c
new file mode 100644
index 0000000..72b8971
--- /dev/null
+++ b/arch/arm/mach-omap2/voltagedomains54xx_data.c
@@ -0,0 +1,102 @@
+/*
+ * OMAP5 Voltage Management Routines
+ *
+ * Based on voltagedomains44xx_data.c
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include "common.h"
+
+#include "prm54xx.h"
+#include "voltage.h"
+#include "omap_opp_data.h"
+#include "vc.h"
+#include "vp.h"
+
+static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = {
+	.voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
+};
+
+static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = {
+	.voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET,
+};
+
+static const struct omap_vfsm_instance omap5_vdd_core_vfsm = {
+	.voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
+};
+
+static struct voltagedomain omap5_voltdm_mpu = {
+	.name = "mpu",
+	.scalable = true,
+	.read = omap4_prm_vcvp_read,
+	.write = omap4_prm_vcvp_write,
+	.rmw = omap4_prm_vcvp_rmw,
+	.vc = &omap4_vc_mpu,
+	.vfsm = &omap5_vdd_mpu_vfsm,
+	.vp = &omap4_vp_mpu,
+};
+
+static struct voltagedomain omap5_voltdm_mm = {
+	.name = "mm",
+	.scalable = true,
+	.read = omap4_prm_vcvp_read,
+	.write = omap4_prm_vcvp_write,
+	.rmw = omap4_prm_vcvp_rmw,
+	.vc = &omap4_vc_iva,
+	.vfsm = &omap5_vdd_mm_vfsm,
+	.vp = &omap4_vp_iva,
+};
+
+static struct voltagedomain omap5_voltdm_core = {
+	.name = "core",
+	.scalable = true,
+	.read = omap4_prm_vcvp_read,
+	.write = omap4_prm_vcvp_write,
+	.rmw = omap4_prm_vcvp_rmw,
+	.vc = &omap4_vc_core,
+	.vfsm = &omap5_vdd_core_vfsm,
+	.vp = &omap4_vp_core,
+};
+
+static struct voltagedomain omap5_voltdm_wkup = {
+	.name = "wkup",
+};
+
+static struct voltagedomain *voltagedomains_omap5[] __initdata = {
+	&omap5_voltdm_mpu,
+	&omap5_voltdm_mm,
+	&omap5_voltdm_core,
+	&omap5_voltdm_wkup,
+	NULL,
+};
+
+static const char *sys_clk_name __initdata = "sys_clkin";
+
+void __init omap54xx_voltagedomains_init(void)
+{
+	struct voltagedomain *voltdm;
+	int i;
+
+	/*
+	 * XXX Will depend on the process, validation, and binning
+	 * for the currently-running IC. Use OMAP4 data for time being.
+	 */
+#ifdef CONFIG_PM_OPP
+	omap5_voltdm_mpu.volt_data = omap446x_vdd_mpu_volt_data;
+	omap5_voltdm_mm.volt_data = omap446x_vdd_iva_volt_data;
+	omap5_voltdm_core.volt_data = omap446x_vdd_core_volt_data;
+#endif
+
+	for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++)
+		voltdm->sys_clk.name = sys_clk_name;
+
+	voltdm_init(voltagedomains_omap5);
+};