summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/voltagedomains3xxx_data.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mach-omap2/voltagedomains3xxx_data.c
Initial import
Diffstat (limited to 'arch/arm/mach-omap2/voltagedomains3xxx_data.c')
-rw-r--r--arch/arm/mach-omap2/voltagedomains3xxx_data.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
new file mode 100644
index 000000000..261bb7cb4
--- /dev/null
+++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
@@ -0,0 +1,134 @@
+/*
+ * OMAP3 voltage domain data
+ *
+ * Copyright (C) 2007, 2010 Texas Instruments, Inc.
+ * Rajendra Nayak <rnayak@ti.com>
+ * Lesly A M <x0080970@ti.com>
+ * Thara Gopinath <thara@ti.com>
+ *
+ * Copyright (C) 2008, 2011 Nokia Corporation
+ * Kalle Jokiniemi
+ * Paul Walmsley
+ *
+ * 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 "soc.h"
+#include "common.h"
+#include "prm-regbits-34xx.h"
+#include "omap_opp_data.h"
+#include "voltage.h"
+#include "vc.h"
+#include "vp.h"
+
+/*
+ * VDD data
+ */
+
+/* OMAP3-common voltagedomain data */
+
+static struct voltagedomain omap3_voltdm_wkup = {
+ .name = "wakeup",
+};
+
+/* 34xx/36xx voltagedomain data */
+
+static const struct omap_vfsm_instance omap3_vdd1_vfsm = {
+ .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
+ .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK,
+};
+
+static const struct omap_vfsm_instance omap3_vdd2_vfsm = {
+ .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
+ .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK,
+};
+
+static struct voltagedomain omap3_voltdm_mpu = {
+ .name = "mpu_iva",
+ .scalable = true,
+ .read = omap3_prm_vcvp_read,
+ .write = omap3_prm_vcvp_write,
+ .rmw = omap3_prm_vcvp_rmw,
+ .vc = &omap3_vc_mpu,
+ .vfsm = &omap3_vdd1_vfsm,
+ .vp = &omap3_vp_mpu,
+};
+
+static struct voltagedomain omap3_voltdm_core = {
+ .name = "core",
+ .scalable = true,
+ .read = omap3_prm_vcvp_read,
+ .write = omap3_prm_vcvp_write,
+ .rmw = omap3_prm_vcvp_rmw,
+ .vc = &omap3_vc_core,
+ .vfsm = &omap3_vdd2_vfsm,
+ .vp = &omap3_vp_core,
+};
+
+static struct voltagedomain *voltagedomains_omap3[] __initdata = {
+ &omap3_voltdm_mpu,
+ &omap3_voltdm_core,
+ &omap3_voltdm_wkup,
+ NULL,
+};
+
+/* AM35xx voltagedomain data */
+
+static struct voltagedomain am35xx_voltdm_mpu = {
+ .name = "mpu_iva",
+};
+
+static struct voltagedomain am35xx_voltdm_core = {
+ .name = "core",
+};
+
+static struct voltagedomain *voltagedomains_am35xx[] __initdata = {
+ &am35xx_voltdm_mpu,
+ &am35xx_voltdm_core,
+ &omap3_voltdm_wkup,
+ NULL,
+};
+
+
+static const char *sys_clk_name __initdata = "sys_ck";
+
+void __init omap3xxx_voltagedomains_init(void)
+{
+ struct voltagedomain *voltdm;
+ struct voltagedomain **voltdms;
+ int i;
+
+ /*
+ * XXX Will depend on the process, validation, and binning
+ * for the currently-running IC
+ */
+#ifdef CONFIG_PM_OPP
+ if (cpu_is_omap3630()) {
+ omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data;
+ omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data;
+ } else {
+ omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data;
+ omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data;
+ }
+#endif
+
+ omap3_voltdm_mpu.vp_param = &omap3_mpu_vp_data;
+ omap3_voltdm_core.vp_param = &omap3_core_vp_data;
+ omap3_voltdm_mpu.vc_param = &omap3_mpu_vc_data;
+ omap3_voltdm_core.vc_param = &omap3_core_vc_data;
+
+ if (soc_is_am35xx())
+ voltdms = voltagedomains_am35xx;
+ else
+ voltdms = voltagedomains_omap3;
+
+ for (i = 0; voltdm = voltdms[i], voltdm; i++)
+ voltdm->sys_clk.name = sys_clk_name;
+
+ voltdm_init(voltdms);
+};