linux-kernel - [PATCH v2 10/24] ARM: at91: sfrbu: add sfrbu registers definitions for sama7g5

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Date:   Fri, 9 Apr 2021 14:13:31 +0300
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <robh+dt@...nel.org>,
        <linux@...linux.org.uk>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH v2 10/24] ARM: at91: sfrbu: add sfrbu registers definitions for sama7g5

Add SFRBU registers definitions for SAMA7G5.

Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 include/soc/at91/sama7-sfrbu.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 include/soc/at91/sama7-sfrbu.h

diff --git a/include/soc/at91/sama7-sfrbu.h b/include/soc/at91/sama7-sfrbu.h
new file mode 100644
index 000000000000..76b740810d34
--- /dev/null
+++ b/include/soc/at91/sama7-sfrbu.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Microchip SAMA7 SFRBU registers offsets and bit definitions.
+ *
+ * Copyright (C) [2020] Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Claudu Beznea <claudiu.beznea@...rochip.com>
+ */
+
+#ifndef __SAMA7_SFRBU_H__
+#define __SAMA7_SFRBU_H__
+
+#ifdef CONFIG_SOC_SAMA7
+
+#define AT91_SFRBU_PSWBU			(0x00)		/* SFRBU Power Switch BU Control Register */
+#define		AT91_SFRBU_PSWBU_PSWKEY		(0x4BD20C << 8)	/* Specific value mandatory to allow writing of other register bits */
+#define		AT91_SFRBU_PSWBU_STATE		(1 << 2)	/* Power switch BU state */
+#define		AT91_SFRBU_PSWBU_SOFTSWITCH	(1 << 1)	/* Power switch BU source selection */
+#define		AT91_SFRBU_PSWBU_CTRL		(1 << 0)	/* Power switch BU control */
+
+#define AT91_SFRBU_25LDOCR			(0x0C)		/* SFRBU 2.5V LDO Control Register */
+#define		AT91_SFRBU_25LDOCR_LDOANAKEY	(0x3B6E18 << 8)	/* Specific value mandatory to allow writing of other register bits. */
+#define		AT91_SFRBU_25LDOCR_STATE	(1 << 3)	/* LDOANA Switch On/Off Control */
+#define		AT91_SFRBU_25LDOCR_LP		(1 << 2)	/* LDOANA Low-Power Mode Control */
+#define		AT91_SFRBU_PD_VALUE_MSK		(0x3)
+#define		AT91_SFRBU_25LDOCR_PD_VALUE(v)	((v) & AT91_SFRBU_PD_VALUE_MSK)	/* LDOANA Pull-down value */
+
+#define AT91_FRBU_DDRPWR			(0x10)		/* SFRBU DDR Power Control Register */
+#define		AT91_FRBU_DDRPWR_STATE		(1 << 0)	/* DDR Power Mode State */
+
+#endif /* CONFIG_SOC_SAMA7 */
+
+#endif /* __SAMA7_SFRBU_H__ */
+
-- 
2.25.1