This is a note to let you know that I've just added the patch titled
ARM: at91: define LPDDR types
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-at91-define-lpddr-types.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e3f0a4017c2143b4b813df6a93e8cf79e3f76936 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Date: Tue, 25 Oct 2016 11:37:58 +0200
Subject: ARM: at91: define LPDDR types
From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
commit e3f0a4017c2143b4b813df6a93e8cf79e3f76936 upstream.
The Atmel MPDDR controller support LPDDR2 and LPDDR3 memories, add their
types.
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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)
Patches currently in stable-queue which might be from alexandre.belloni@xxxxxxxxxxxxxxxxxx are
queue-4.4/arm-dts-at91-enable-dma-on-sama5d4_xplained-console.patch
queue-4.4/arm-at91-define-lpddr-types.patch
queue-4.4/arm-dts-at91-enable-dma-on-sama5d2_xplained-console.patch