linux-kernel - [PATCH v3 1/2] ARM: at91: define LPDDR types

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Date:   Tue, 25 Oct 2016 11:37:58 +0200
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     Sebastian Reichel <sre@...nel.org>,
        Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
Cc:     Nicolas Ferre <nicolas.ferre@...el.com>,
        Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        "# 4 . 4+" <stable@...r.kernel.org>
Subject: [PATCH v3 1/2] ARM: at91: define LPDDR types

The Atmel MPDDR controller support LPDDR2 and LPDDR3 memories, add their
types.

Cc: <stable@...r.kernel.org> # 4.4+
Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 include/soc/at91/at91sam9_ddrsdr.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/soc/at91/at91sam9_ddrsdr.h b/include/soc/at91/at91sam9_ddrsdr.h
index dc10c52e0e91..393362bdb860 100644
--- a/include/soc/at91/at91sam9_ddrsdr.h
+++ b/include/soc/at91/at91sam9_ddrsdr.h
@@ -81,6 +81,7 @@
 #define			AT91_DDRSDRC_LPCB_POWER_DOWN		2
 #define			AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN	3
 #define		AT91_DDRSDRC_CLKFR	(1 << 2)	/* Clock Frozen */
+#define		AT91_DDRSDRC_LPDDR2_PWOFF	(1 << 3)	/* LPDDR Power Off */
 #define		AT91_DDRSDRC_PASR	(7 << 4)	/* Partial Array Self Refresh */
 #define		AT91_DDRSDRC_TCSR	(3 << 8)	/* Temperature Compensated Self Refresh */
 #define		AT91_DDRSDRC_DS		(3 << 10)	/* Drive Strength */
@@ -96,7 +97,9 @@
 #define			AT91_DDRSDRC_MD_SDR		0
 #define			AT91_DDRSDRC_MD_LOW_POWER_SDR	1
 #define			AT91_DDRSDRC_MD_LOW_POWER_DDR	3
+#define			AT91_DDRSDRC_MD_LPDDR3		5
 #define			AT91_DDRSDRC_MD_DDR2		6	/* [SAM9 Only] */
+#define			AT91_DDRSDRC_MD_LPDDR2		7
 #define		AT91_DDRSDRC_DBW	(1 << 4)		/* Data Bus Width */
 #define			AT91_DDRSDRC_DBW_32BITS		(0 <<  4)
 #define			AT91_DDRSDRC_DBW_16BITS		(1 <<  4)
-- 
2.9.3