From: sergei.shtylyov@cogentembedded.com (Sergei Shtylyov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: shmobile: silk: add SDHI0/1 DT support
Date: Sun, 22 Feb 2015 17:54:13 +0300 [thread overview]
Message-ID: <54E9ED95.8070702@cogentembedded.com> (raw)
In-Reply-To: <CANqRtoRnDzTSvKYcNDHKHbeaN7jp1VvKnk1jTHDvNt1oyBzwKg@mail.gmail.com>
Hello.
On 02/22/2015 03:45 AM, Magnus Damm wrote:
>> Define the SILK board dependent parts of the SDHI0 (connected to SDIO Wi-Fi
>> chip) and SDHI1 (connected to micro-SD slot) device nodes along with the
>> necessary voltage regulators.
>> Based on the original patch by Vladimir Barinov
>> <vladimir.barinov@cogentembedded.com>.
>> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
> Thanks for your patch. One question - above you write that SDHI1 is micro-SD...
Yes, have double-checked now.
>> @@ -100,3 +159,25 @@
>> non-removable;
>> status = "okay";
>> };
>> +
>> +&sdhi0 {
>> + pinctrl-0 = <&sdhi0_pins>;
>> + pinctrl-names = "default";
>> +
>> + vmmc-supply = <&vcc_sdhi0>;
>> + vqmmc-supply = <&vccq_sdhi0>;
>> + cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
>> + wp-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>;
>> + status = "okay";
>> +};
>> +
>> +&sdhi1 {
>> + pinctrl-0 = <&sdhi1_pins>;
>> + pinctrl-names = "default";
>> +
>> + vmmc-supply = <&vcc_sdhi1>;
>> + vqmmc-supply = <&vccq_sdhi1>;
>> + cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
>> + wp-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>;
>> + status = "okay";
>> +};
> ... however here the WP signal is assigned.
> I believe micro-SD doesn't use the WP signal, so either I'm wrong or
> the patch needs to be updated to reflect reality. =)
Both seem correct: SD1_WP signal is just tied to VCCQ_SD1. Do you think we
should still drop it?
> Also, I doubt that an on-board SDIO module makes use of CD and/or WP signals?
Those two are tied to VCCQ_SD0 as well. Do you think we should drop them?
> Thanks,
> / magnus
WBR, Sergei
next prev parent reply other threads:[~2015-02-22 14:54 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-21 22:25 [PATCH 0/2] Add R8A7794/SILK board SDHI DT support Sergei Shtylyov
2015-02-21 22:26 ` [PATCH 1/2] ARM: shmobile: r8a7794: add " Sergei Shtylyov
2015-02-23 0:28 ` Kuninori Morimoto
2015-02-23 11:18 ` Geert Uytterhoeven
2015-02-23 11:16 ` Geert Uytterhoeven
2015-02-23 22:00 ` Simon Horman
2015-02-21 22:27 ` [PATCH 2/2] ARM: shmobile: silk: add SDHI0/1 " Sergei Shtylyov
2015-02-22 0:45 ` Magnus Damm
2015-02-22 14:54 ` Sergei Shtylyov [this message]
2015-02-23 22:01 ` Simon Horman
2015-02-24 4:28 ` Magnus Damm
2015-08-10 22:44 ` [PATCH v2] ARM: shmobile: silk: add SDHI1 " Sergei Shtylyov
2015-08-12 1:26 ` Simon Horman
2015-08-21 20:57 ` Sergei Shtylyov
2015-08-21 22:18 ` Sergei Shtylyov
2015-09-02 2:29 ` Simon Horman
2015-09-04 23:47 ` Sergei Shtylyov
2015-09-18 0:21 ` Simon Horman
2015-09-18 2:56 ` Magnus Damm
2015-09-22 23:19 ` Sergei Shtylyov
2015-09-29 8:44 ` Magnus Damm
2015-10-06 20:12 ` Sergei Shtylyov
2015-09-22 23:22 ` Sergei Shtylyov
2015-08-13 22:47 ` Sergei Shtylyov
2015-10-16 21:37 ` Sergei Shtylyov
2015-10-18 11:04 ` Sergei Shtylyov
2015-10-19 0:46 ` Simon Horman
2015-10-20 17:58 ` Sergei Shtylyov
2015-10-21 0:31 ` Simon Horman
2015-10-21 18:13 ` Sergei Shtylyov
2015-10-22 0:54 ` Simon Horman
2015-10-21 23:04 ` [PATCH 1/2] ARM: shmobile: r8a7790: fix "gpio-ranges" props Sergei Shtylyov
2015-10-23 0:19 ` Simon Horman
2015-10-21 23:05 ` [PATCH 2/2] ARM: shmobile: r8a7791: " Sergei Shtylyov
2015-10-22 11:06 ` Geert Uytterhoeven
2015-10-23 0:20 ` Simon Horman
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