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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /include/linux/platform_data/voltage-omap.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/platform_data/voltage-omap.h')
-rw-r--r--include/linux/platform_data/voltage-omap.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/platform_data/voltage-omap.h b/include/linux/platform_data/voltage-omap.h
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+++ b/include/linux/platform_data/voltage-omap.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * OMAP Voltage Management Routines
+ *
+ * Copyright (C) 2011, Texas Instruments, Inc.
+ */
+
+#ifndef __ARCH_ARM_OMAP_VOLTAGE_H
+#define __ARCH_ARM_OMAP_VOLTAGE_H
+
+/**
+ * struct omap_volt_data - Omap voltage specific data.
+ * @voltage_nominal: The possible voltage value in uV
+ * @sr_efuse_offs: The offset of the efuse register(from system
+ * control module base address) from where to read
+ * the n-target value for the smartreflex module.
+ * @sr_errminlimit: Error min limit value for smartreflex. This value
+ * differs at differnet opp and thus is linked
+ * with voltage.
+ * @vp_errorgain: Error gain value for the voltage processor. This
+ * field also differs according to the voltage/opp.
+ */
+struct omap_volt_data {
+ u32 volt_nominal;
+ u32 sr_efuse_offs;
+ u8 sr_errminlimit;
+ u8 vp_errgain;
+};
+struct voltagedomain;
+
+struct voltagedomain *voltdm_lookup(const char *name);
+int voltdm_scale(struct voltagedomain *voltdm, unsigned long target_volt);
+unsigned long voltdm_get_voltage(struct voltagedomain *voltdm);
+struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
+ unsigned long volt);
+#endif