From 909584665546ec51c54ac7d362f91fdabaef2cc2 Mon Sep 17 00:00:00 2001 From: Andre Renaud Date: Thu, 5 May 2016 07:28:05 -0600 Subject: at91: Add support for the AT91 slow clock controller MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is available on AT91SAM9G45. Add the peripheral address and flag definitions. Signed-off-by: Andre Renaud Signed-off-by: Simon Glass Reviewed-by: Heiko Schocher Reviewed-by: Andreas Bießmann --- arch/arm/mach-at91/include/mach/at91_sck.h | 21 +++++++++++++++++++++ arch/arm/mach-at91/include/mach/at91sam9g45.h | 1 + 2 files changed, 22 insertions(+) create mode 100644 arch/arm/mach-at91/include/mach/at91_sck.h (limited to 'arch/arm/mach-at91/include/mach') diff --git a/arch/arm/mach-at91/include/mach/at91_sck.h b/arch/arm/mach-at91/include/mach/at91_sck.h new file mode 100644 index 0000000..ce8e577 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_sck.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2016 Google, Inc + * Written by Simon Glass + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef AT91_SCK_H +#define AT91_SCK_H + +/* + * SCKCR flags + */ +#define AT91SAM9G45_SCKCR_RCEN (1 << 0) /* RC Oscillator Enable */ +#define AT91SAM9G45_SCKCR_OSC32EN (1 << 1) /* 32kHz Oscillator Enable */ +#define AT91SAM9G45_SCKCR_OSC32BYP (1 << 2) /* 32kHz Oscillator Bypass */ +#define AT91SAM9G45_SCKCR_OSCSEL (1 << 3) /* Slow Clock Selector */ +#define AT91SAM9G45_SCKCR_OSCSEL_RC (0 << 3) +#define AT91SAM9G45_SCKCR_OSCSEL_32 (1 << 3) + +#endif diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index cf1c73f..5c32e24 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -109,6 +109,7 @@ #define ATMEL_BASE_RTT 0xfffffd20 #define ATMEL_BASE_PIT 0xfffffd30 #define ATMEL_BASE_WDT 0xfffffd40 +#define ATMEL_BASE_SCKCR 0xfffffd50 #define ATMEL_BASE_GPBR 0xfffffd60 #define ATMEL_BASE_RTC 0xfffffdb0 /* Reserved: 0xfffffdc0 - 0xffffffff */ -- cgit v1.1