Thread (27 messages) 27 messages, 5 authors, 2014-08-02

[PATCH v4 4/4] ARM: dts: Add exynos5250-spring device tree

From: afaerber@suse.de (Andreas Färber)
Date: 2014-08-02 07:50:03
Also in: linux-devicetree, linux-samsung-soc, lkml

Am 02.08.2014 07:15, schrieb Doug Anderson:
On Thu, Jul 31, 2014 at 12:40 PM, Tomasz Figa [off-list ref] wrote:
quoted
On 31.07.2014 21:20, Andreas F?rber wrote:
quoted
Am 31.07.2014 21:05, schrieb Tomasz Figa:
quoted
On 31.07.2014 18:08, Andreas F?rber wrote:
quoted
+&sd1_clk {
+   samsung,pin-drv = <0>;
+};
+
+&sd1_cmd {
+   samsung,pin-pud = <3>;
+   samsung,pin-drv = <0>;
+};
+
+&sd1_cd {
+   samsung,pin-drv = <0>;
+};
+
+&sd1_bus4 {
+   samsung,pin-drv = <0>;
+};
Here generic settings are being overridden, so it might be a good idea
to explain why, like with i2c pull-up above.
Snow does not have an explanation either, so please suggest what comment
you'd like to see. Consider me just a user with no specs. :)
Doug, Vincent, someone else?
The comment is just in a different place--it's in the dw_mmc node.
Probably belongs here, though:

                /*
                 * Wifi is a SiP, so can keep drive strengths low
                 * to reduce EMI.
                 */
I did copy such a comment for the MMC node in v5, still present in v6.

Andreas
I guess the cmd line isn't documented.  There is no external pull on
the command line and on most boards there is one.  Our hardware guys
thought we didn't need it and apparently we don't...
-- 
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N?rnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imend?rffer; HRB 16746 AG N?rnberg
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