linux-kernel - [PATCH 2/6] dt-bindings: clock: add DDR3 standard speed bins.

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Message-Id: <20180419104019.24406-3-enric.balletbo@collabora.com>
Date:   Thu, 19 Apr 2018 12:40:15 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        robh+dt@...nel.org
Cc:     devicetree@...r.kernel.org, heiko@...ech.de,
        linux-pm@...r.kernel.org, dbasehore@...omium.org,
        linux-kernel@...r.kernel.org, dianders@...gle.com,
        groek@...gle.com, kernel@...labora.com,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH 2/6] dt-bindings: clock: add DDR3 standard speed bins.

DDR3 SDRAM Standard (JESD79-3F) defines some standard speed bins for
DDR3 memories. The devfreq/rk3399_dmc.txt binding refers to this file
which does not exist, so add a ddr.h file with the standard speed bins
for DDR3.

Fixes: c1ceb8f7c167 (Documentation: bindings: add dt documentation for rk3399 dmc)
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
---

 include/dt-bindings/clock/ddr.h | 34 +++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 include/dt-bindings/clock/ddr.h

diff --git a/include/dt-bindings/clock/ddr.h b/include/dt-bindings/clock/ddr.h
new file mode 100644
index 000000000000..506aef7e609e
--- /dev/null
+++ b/include/dt-bindings/clock/ddr.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+
+#ifndef DT_BINDINGS_DDR_H
+#define DT_BINDINGS_DDR_H
+
+/* DDR3-800 Standard Speed Bins */
+#define DDR3_800D	15
+#define DDR3_800E	18
+/* DDR3-1066 Standard Speed Bins */
+#define DDR3_1066E	18
+#define DDR3_1066F	21
+#define DDR3_1066G	24
+/* DDR3-1333 Standard Speed Bins */
+#define DDR3_1333F	21
+#define DDR3_1333G	24
+#define DDR3_1333H	27
+#define DDR3_1333J	30
+/* DDR3-1600 Standard Speed Bins */
+#define DDR3_1600G	24
+#define DDR3_1600H	27
+#define DDR3_1600J	30
+#define DDR3_1600K	33
+/* DDR3-1600 Standard Speed Bins */
+#define DDR3_1866J	30
+#define DDR3_1866K	33
+#define DDR3_1866L	36
+#define DDR3_1866M	39
+/* DDR3-2133 Standard Speed Bins */
+#define DDR3_2133K	33
+#define DDR3_2133L	36
+#define DDR3_2133M	39
+#define DDR3_2133N	42
+
+#endif
-- 
2.17.0