LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Claudiu Beznea <claudiu.beznea@microchip.com>
To: <linux@armlinux.org.uk>, <nicolas.ferre@microchip.com>,
	<alexandre.belloni@bootlin.com>,
	<ludovic.desroches@microchip.com>, <mturquette@baylibre.com>,
	<sboyd@kernel.org>
Cc: <eugen.hristev@microchip.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <linux-clk@vger.kernel.org>,
	<sfr@canb.auug.org.au>,
	Claudiu Beznea <claudiu.beznea@microchip.com>
Subject: [PATCH 2/2] clk: at91: add register definition for sama7g5's master clock
Date: Mon, 19 Jul 2021 11:03:17 +0300	[thread overview]
Message-ID: <20210719080317.1045832-3-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <20210719080317.1045832-1-claudiu.beznea@microchip.com>

Add register definitions for SAMA7G5's master clock. These would be
also used by architecture specific power saving code.

Fixes: 6cb0e54412a3 ("ARM: at91: pm: add support for MCK1..4 save/restore for ulp modes")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---

Hi Stephen,

This is a part from patch at [1]. I keep it at minimum (only definitions)
for faster acceptance as the build is broken on arm multi_v7_defconfig
without it).
In next version of patch at [1] I will update it accordingly.

Thank you,
Claudiu Beznea

[1] https://lore.kernel.org/linux-clk/20210401122726.28528-5-claudiu.beznea@microchip.com/

 include/linux/clk/at91_pmc.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h
index a4f82e836a7c..ccb3f034bfa9 100644
--- a/include/linux/clk/at91_pmc.h
+++ b/include/linux/clk/at91_pmc.h
@@ -137,6 +137,32 @@
 #define			AT91_PMC_PLLADIV2_ON		(1 << 12)
 #define		AT91_PMC_H32MXDIV	BIT(24)
 
+#define	AT91_PMC_MCR_V2		0x30				/* Master Clock Register [SAMA7G5 only] */
+#define		AT91_PMC_MCR_V2_ID_MSK	(0xF)
+#define			AT91_PMC_MCR_V2_ID(_id)		((_id) & AT91_PMC_MCR_V2_ID_MSK)
+#define		AT91_PMC_MCR_V2_CMD	(1 << 7)
+#define		AT91_PMC_MCR_V2_DIV	(7 << 8)
+#define			AT91_PMC_MCR_V2_DIV1		(0 << 8)
+#define			AT91_PMC_MCR_V2_DIV2		(1 << 8)
+#define			AT91_PMC_MCR_V2_DIV4		(2 << 8)
+#define			AT91_PMC_MCR_V2_DIV8		(3 << 8)
+#define			AT91_PMC_MCR_V2_DIV16		(4 << 8)
+#define			AT91_PMC_MCR_V2_DIV32		(5 << 8)
+#define			AT91_PMC_MCR_V2_DIV64		(6 << 8)
+#define			AT91_PMC_MCR_V2_DIV3		(7 << 8)
+#define		AT91_PMC_MCR_V2_CSS	(0x1F << 16)
+#define			AT91_PMC_MCR_V2_CSS_MD_SLCK	(0 << 16)
+#define			AT91_PMC_MCR_V2_CSS_TD_SLCK	(1 << 16)
+#define			AT91_PMC_MCR_V2_CSS_MAINCK	(2 << 16)
+#define			AT91_PMC_MCR_V2_CSS_MCK0	(3 << 16)
+#define			AT91_PMC_MCR_V2_CSS_SYSPLL	(5 << 16)
+#define			AT91_PMC_MCR_V2_CSS_DDRPLL	(6 << 16)
+#define			AT91_PMC_MCR_V2_CSS_IMGPLL	(7 << 16)
+#define			AT91_PMC_MCR_V2_CSS_BAUDPLL	(8 << 16)
+#define			AT91_PMC_MCR_V2_CSS_AUDIOPLL	(9 << 16)
+#define			AT91_PMC_MCR_V2_CSS_ETHPLL	(10 << 16)
+#define		AT91_PMC_MCR_V2_EN	(1 << 28)
+
 #define AT91_PMC_XTALF		0x34			/* Main XTAL Frequency Register [SAMA7G5 only] */
 
 #define	AT91_PMC_USB		0x38			/* USB Clock Register [some SAM9 only] */
-- 
2.25.1


  parent reply	other threads:[~2021-07-19  8:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-19  8:03 [PATCH 0/2] ARM: at91: fix compilation errors after SAMA7G5 Claudiu Beznea
2021-07-19  8:03 ` [PATCH 1/2] ARM: at91: fix link error Claudiu Beznea
2021-07-19 12:40   ` Nicolas Ferre
2021-07-19 13:17     ` Claudiu.Beznea
2021-07-19  8:03 ` Claudiu Beznea [this message]
2021-07-19 12:46   ` [PATCH 2/2] clk: at91: add register definition for sama7g5's master clock Nicolas Ferre
2021-07-27  1:19     ` Stephen Boyd

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210719080317.1045832-3-claudiu.beznea@microchip.com \
    --to=claudiu.beznea@microchip.com \
    --cc=alexandre.belloni@bootlin.com \
    --cc=eugen.hristev@microchip.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=ludovic.desroches@microchip.com \
    --cc=mturquette@baylibre.com \
    --cc=nicolas.ferre@microchip.com \
    --cc=sboyd@kernel.org \
    --cc=sfr@canb.auug.org.au \
    --subject='Re: [PATCH 2/2] clk: at91: add register definition for sama7g5'\''s master clock' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).