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authormario.six@gdsys.cc <mario.six@gdsys.cc>2016-05-25 15:15:23 +0200
committerYork Sun <york.sun@nxp.com>2016-06-03 22:14:20 -0700
commit743268f5146e3fd93abb8b6142ef6a259a0656c5 (patch)
treed28611bc6504378b0316582e62bf8f7f3132c219 /arch/sandbox/include/asm
parent51781783c59ad0080621d777579eb8acd14aa0ed (diff)
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dm: test: Add GPIO open drain tests
Add some tests for the new open drain setting feature of the GPIO uclass, and extend the capabilities of the sandbox GPIO driver accordingly. Signed-off-by: Mario Six <mario.six@gdsys.cc> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/sandbox/include/asm')
-rw-r--r--arch/sandbox/include/asm/gpio.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/gpio.h b/arch/sandbox/include/asm/gpio.h
index 8317db1..427af2c 100644
--- a/arch/sandbox/include/asm/gpio.h
+++ b/arch/sandbox/include/asm/gpio.h
@@ -41,6 +41,26 @@ int sandbox_gpio_get_value(struct udevice *dev, unsigned int offset);
int sandbox_gpio_set_value(struct udevice *dev, unsigned int offset, int value);
/**
+ * Set or reset the simulated open drain mode of a GPIO (used only in sandbox
+ * test code)
+ *
+ * @param gp GPIO number
+ * @param value value to set (0 for enabled open drain mode, non-zero for
+ * disabled)
+ * @return -1 on error, 0 if ok
+ */
+int sandbox_gpio_set_open_drain(struct udevice *dev, unsigned offset, int value);
+
+/**
+ * Return the state of the simulated open drain mode of a GPIO (used only in
+ * sandbox test code)
+ *
+ * @param gp GPIO number
+ * @return -1 on error, 0 if GPIO is input, >0 if output
+ */
+int sandbox_gpio_get_open_drain(struct udevice *dev, unsigned offset);
+
+/**
* Return the simulated direction of a GPIO (used only in sandbox test code)
*
* @param gp GPIO number