Re: [PATCH 8/9] ARM: at91/dt: add new at91rm9200ek_mmc board

Jean-Christophe PLAGNIOL-VILLARD
2013-11-20T17:43:47Z

On 17:31 Wed 20 Nov , boris brezillon wrote:
> On 20/11/2013 16:02, Jean-Christophe PLAGNIOL-VILLARD wrote:
> >On 14:37 Wed 28 Aug , Boris BREZILLON wrote:
> >>Add a new at91rm9200ek_mmc board (based on at91rm9200ek board) which enables
> >>mmc0/slot0.
> >no for multiple dts
> >
> >this need to handle at user space level
>
> You mean, by controlling the regulator using the sysfs interface, or
> by loading
> only the appropriate driver ?
load the partial dts via userspace
>
> What if both drivers are loaded (or not compiled as modules) ?
> This will lead to one device being unusable (and maybe even worst)...
>
this will never be the case

Best Regards,
J.
> Please explain what you had in mind ?
>
> >
> >Best Regards,
> >J.
> >>Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
> >>---
> >> arch/arm/boot/dts/at91rm9200ek_mmc.dts | 23 +++++++++++++++++++++++
> >> 1 file changed, 23 insertions(+)
> >> create mode 100644 arch/arm/boot/dts/at91rm9200ek_mmc.dts
> >>
> >>diff --git a/arch/arm/boot/dts/at91rm9200ek_mmc.dts b/arch/arm/boot/dts/at91rm9200ek_mmc.dts
> >>new file mode 100644
> >>index 0000000..c87a861
> >>--- /dev/null
> >>+++ b/arch/arm/boot/dts/at91rm9200ek_mmc.dts
> >>@@ -0,0 +1,23 @@
> >>+/*
> >>+ * at91rm9200ek.dts - Device Tree file for Atmel AT91RM9200 evaluation kit with
> >>+ * an MMC slot
> >>+ *
> >>+ * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
> >>+ *
> >>+ * Licensed under GPLv2 only
> >>+ */
> >>+/dts-v1/;
> >>+#include "at91rm9200ek.dts"
> >>+
> >>+/ {
> >>+ model = "Atmel AT91RM9200 evaluation kit with MMC slot";
> >>+ compatible = "atmel,at91rm9200ek-mmc", "atmel,at91rm9200ek", "atmel,at91rm9200";
> >>+
> >>+ ahb {
> >>+ apb {
> >>+ mmc0: mmc@fffb4000 {
> >>+ status = "okay";
> >>+ };
> >>+ };
> >>+ };
> >>+};
> >>--
> >>1.7.9.5
> >>
>