Re: [PATCH 10/24] ARM: at91: sfrbu: add sfrbu registers definitions for sama7g5
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: 2021-03-31 15:55:23
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linux-devicetree, lkml
On 31/03/2021 13:58:54+0300, Claudiu Beznea wrote:
quoted hunk ↗ jump to hunk
Add SFRBU registers definitions for SAMA7G5. Signed-off-by: Claudiu Beznea <redacted> --- include/soc/at91/sama7-sfrbu.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 include/soc/at91/sama7-sfrbu.hdiff --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@microchip.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 */
Please use BIT
+ +#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)
GENMASK
+#define AT91_SFRBU_25LDOCR_PD_VALUE(v) ((v) & AT91_SFRBU_PD_VALUE_MSK) /* LDOANA Pull-down value */
this macro is not necessary, you can use FIELD_PREP with the previous define. -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel