lkml.org 
[lkml]   [2014]   [Mar]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v5 1/9] at91: dt: Adds support for the bus matrix declaration in the DT
Date
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
---
arch/arm/mach-at91/setup.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index f7ca97b..6a4e07e 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -487,6 +487,26 @@ end:
of_node_put(np);
}

+static struct of_device_id matrix_ids[] = {
+ { .compatible = "atmel,at91sam9260-bus-matrix", },
+ { /*sentinel*/ }
+};
+
+static void at91_dt_matrix(void)
+{
+ struct device_node *np;
+
+ np = of_find_matching_node(NULL, matrix_ids);
+ if (!np)
+ panic("AT91: unable to find compatible bus matrix controller node in dtb\n");
+
+ at91_matrix_base = of_iomap(np, 0);
+ if (!at91_matrix_base)
+ panic("Impossible to ioremap at91_matrix_base\n");
+
+ of_node_put(np);
+}
+
void __init at91rm9200_dt_initialize(void)
{
at91_dt_ramc();
@@ -506,6 +526,7 @@ void __init at91_dt_initialize(void)
at91_dt_rstc();
at91_dt_ramc();
at91_dt_shdwc();
+ at91_dt_matrix();

/* Init clock subsystem */
at91_dt_clock_init();
--
1.9.0


\
 
 \ /
  Last update: 2014-03-03 11:41    [W:0.099 / U:0.976 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site