linux-kernel - [PATCH 4.4 14/91] ARM: at91: define LPDDR types

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Message-Id: <20170310083901.459429635@linuxfoundation.org>
Date:   Fri, 10 Mar 2017 10:08:13 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Sebastian Reichel <sre@...nel.org>
Subject: [PATCH 4.4 14/91] ARM: at91: define LPDDR types

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>

commit e3f0a4017c2143b4b813df6a93e8cf79e3f76936 upstream.

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Signed-off-by: Sebastian Reichel <sre@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 include/soc/at91/at91sam9_ddrsdr.h |    3 +++
 1 file changed, 3 insertions(+)

--- 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)