[U-Boot] [PATCH 2/3] omap: gpio: generic changes after changing API
Sanjeev Premi
premi at ti.com
Mon Sep 5 22:28:47 CEST 2011
This patch contains the generic changes required after
change to generic API in the previous patch.
Signed-off-by: Sanjeev Premi <premi at ti.com>
---
This patch could have been merged with previous one, but
has been kept separate to illustrate (and review) the
changes to generic code.
arch/arm/cpu/armv7/omap4/clocks.c | 5 +++--
doc/README.omap3 | 20 ++++++++++----------
2 files changed, 13 insertions(+), 12 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c
index eda960c..4f0e0cd 100644
--- a/arch/arm/cpu/armv7/omap4/clocks.c
+++ b/arch/arm/cpu/armv7/omap4/clocks.c
@@ -31,6 +31,7 @@
*/
#include <common.h>
#include <asm/omap_common.h>
+#include <asm/gpio.h>
#include <asm/arch/clocks.h>
#include <asm/arch/sys_proto.h>
#include <asm/utils.h>
@@ -481,8 +482,8 @@ static void do_scale_tps62361(u32 reg, u32 volt_mv)
* VSEL1 is grounded on board. So the following selects
* VSEL1 = 0 and VSEL0 = 1
*/
- omap_set_gpio_direction(TPS62361_VSEL0_GPIO, 0);
- omap_set_gpio_dataout(TPS62361_VSEL0_GPIO, 1);
+ gpio_direction_output(TPS62361_VSEL0_GPIO, 0);
+ gpio_set_value(TPS62361_VSEL0_GPIO, 1);
temp = TPS62361_I2C_SLAVE_ADDR |
(reg << PRM_VC_VAL_BYPASS_REGADDR_SHIFT) |
diff --git a/doc/README.omap3 b/doc/README.omap3
index 460950d..1768cdd 100644
--- a/doc/README.omap3
+++ b/doc/README.omap3
@@ -98,24 +98,24 @@ gpio
To set a bit :
- if (!omap_request_gpio(N)) {
- omap_set_gpio_direction(N, 0);
- omap_set_gpio_dataout(N, 1);
+ if (!gpio_request(N, "")) {
+ gpio_direction_output(N, 0);
+ gpio_set_value(N, 1);
}
To clear a bit :
- if (!omap_request_gpio(N)) {
- omap_set_gpio_direction(N, 0);
- omap_set_gpio_dataout(N, 0);
+ if (!gpio_request(N, "")) {
+ gpio_direction_output(N, 0);
+ gpio_set_value(N, 0);
}
To read a bit :
- if (!omap_request_gpio(N)) {
- omap_set_gpio_direction(N, 1);
- val = omap_get_gpio_datain(N);
- omap_free_gpio(N);
+ if (!gpio_request(N, "")) {
+ gpio_direction_input(N);
+ val = gpio_get_value(N);
+ gpio_free(N);
}
if (val)
printf("GPIO N is set\n");
--
1.7.0.4
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