[v3,2/2] dt-bindings: ddr: Add bindings for Samsung LPDDR3 memories
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Message ID 20190919092641.4407-3-l.luba@partner.samsung.com
State Not Applicable
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Series
  • Exynos5 DMC minor fixes
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Commit Message

Lukasz Luba Sept. 19, 2019, 9:26 a.m. UTC
Add compatible for Samsung k3qf2f20db LPDDR3 memory bindings.
Suggested to based on at25.txt compatible section.
Introduce minor fixes in the old documentation.

Suggested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
---
 Documentation/devicetree/bindings/ddr/lpddr3.txt | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

Comments

Krzysztof Kozlowski Sept. 19, 2019, 6:20 p.m. UTC | #1
On Thu, Sep 19, 2019 at 11:26:41AM +0200, Lukasz Luba wrote:
> Add compatible for Samsung k3qf2f20db LPDDR3 memory bindings.
> Suggested to based on at25.txt compatible section.
> Introduce minor fixes in the old documentation.
> 
> Suggested-by: Krzysztof Kozlowski <krzk@kernel.org>
> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
> ---
>  Documentation/devicetree/bindings/ddr/lpddr3.txt | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)

Thanks, applied.

Best regards,
Krzysztof

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/ddr/lpddr3.txt b/Documentation/devicetree/bindings/ddr/lpddr3.txt
index 3b2485b84b3f..a0eda35a86ee 100644
--- a/Documentation/devicetree/bindings/ddr/lpddr3.txt
+++ b/Documentation/devicetree/bindings/ddr/lpddr3.txt
@@ -1,7 +1,10 @@ 
 * LPDDR3 SDRAM memories compliant to JEDEC JESD209-3C
 
 Required properties:
-- compatible : Should be  - "jedec,lpddr3"
+- compatible : Should be "<vendor>,<type>", and generic value "jedec,lpddr3".
+  Example "<vendor>,<type>" values:
+    "samsung,K3QF2F20DB"
+
 - density  : <u32> representing density in Mb (Mega bits)
 - io-width : <u32> representing bus width. Possible values are 8, 16, 32, 64
 - #address-cells: Must be set to 1
@@ -43,7 +46,7 @@  Child nodes:
 Example:
 
 samsung_K3QF2F20DB: lpddr3 {
-	compatible	= "Samsung,K3QF2F20DB", "jedec,lpddr3";
+	compatible	= "samsung,K3QF2F20DB", "jedec,lpddr3";
 	density		= <16384>;
 	io-width	= <32>;
 	#address-cells	= <1>;
@@ -73,7 +76,8 @@  samsung_K3QF2F20DB: lpddr3 {
 
 	timings_samsung_K3QF2F20DB_800mhz: lpddr3-timings@800000000 {
 		compatible	= "jedec,lpddr3-timings";
-		reg		= <800000000>; /* workaround: it shows max-freq */
+		/* workaround: 'reg' shows max-freq */
+		reg		= <800000000>;
 		min-freq	= <100000000>;
 		tRFC		= <65000>;
 		tRRD		= <6000>;