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authorFurquan Shaikh <furquan@google.com>2014-04-10 20:35:05 -0700
committerMarc Jones <marc.jones@se-eng.com>2014-11-13 06:28:46 +0100
commit9d91aba2861a38f0ab99d96d0f53de9a2c73df2d (patch)
tree66adb95833e23146517d75ea93359b4c95e5c92d /src/soc/qualcomm/ipq806x/include/gpio.h
parentd551e82beb3b7ca58996a41ddc22ce3fc19dd225 (diff)
ipq806x: Add support for GPIO operations
Basic support for ipq806x GPIO CFG and IO reg operations Reference: IPQ806x PRM, u-boot arch-ipq806x/gpio.* BUG=None BRANCH=None TEST=Compiled successfully Original-Change-Id: Ia0a9f288de3ac7bdb1cd4acbf44ba46af4dcc4e2 Original-Reviewed-on: https://chromium-review.googlesource.com/194217 Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> (cherry picked from commit 0b48e6655e63b467fe79d52149be01d23a2a3712) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I09e222f35b4b20c8eb901f33cf4451085c4c99cc Reviewed-on: http://review.coreboot.org/7266 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
Diffstat (limited to 'src/soc/qualcomm/ipq806x/include/gpio.h')
-rw-r--r--src/soc/qualcomm/ipq806x/include/gpio.h44
1 files changed, 38 insertions, 6 deletions
diff --git a/src/soc/qualcomm/ipq806x/include/gpio.h b/src/soc/qualcomm/ipq806x/include/gpio.h
index e2b281e04f..678da0dcae 100644
--- a/src/soc/qualcomm/ipq806x/include/gpio.h
+++ b/src/soc/qualcomm/ipq806x/include/gpio.h
@@ -30,8 +30,10 @@
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef __PLATFORM_AKRONITE_GPIO_H_
-#define __PLATFORM_AKRONITE_GPIO_H_
+#ifndef __SOC_QUALCOMM_IPQ806X_GPIO_H_
+#define __SOC_QUALCOMM_IPQ806X_GPIO_H_
+
+typedef unsigned int gpio_t;
/* GPIO TLMM: Direction */
#define GPIO_INPUT 0
@@ -57,7 +59,37 @@
#define GPIO_ENABLE 0
#define GPIO_DISABLE 1
-void gpio_tlmm_config(unsigned int gpio, unsigned int func,
- unsigned int dir, unsigned int pull,
- unsigned int drvstr, unsigned int enable);
-#endif
+/* GPIO MAX Valid # */
+#define GPIO_MAX_NUM 68
+
+/* GPIO TLMM: Mask */
+#define GPIO_CFG_PULL_MASK 0x3
+#define GPIO_CFG_FUNC_MASK 0xF
+#define GPIO_CFG_DRV_MASK 0x7
+#define GPIO_CFG_OE_MASK 0x1
+
+/* GPIO TLMM: Shift */
+#define GPIO_CFG_PULL_SHIFT 0
+#define GPIO_CFG_FUNC_SHIFT 2
+#define GPIO_CFG_DRV_SHIFT 6
+#define GPIO_CFG_OE_SHIFT 9
+
+/* GPIO IO: Mask */
+#define GPIO_IO_IN_MASK 0x1
+#define GPIO_IO_OUT_MASK 0x1
+
+/* GPIO IO: Shift */
+#define GPIO_IO_IN_SHIFT 0
+#define GPIO_IO_OUT_SHIFT 1
+
+void gpio_tlmm_config_set(gpio_t gpio, unsigned int func,
+ unsigned int pull, unsigned int drvstr,
+ unsigned int enable);
+
+void gpio_tlmm_config_get(gpio_t gpio, unsigned int *func,
+ unsigned int *pull, unsigned int *drvstr,
+ unsigned int *enable);
+
+void gpio_io_config_set(gpio_t gpio, unsigned int out);
+void gpio_io_config_get(gpio_t gpio, unsigned int *in, unsigned int *out);
+#endif // __SOC_QUALCOMM_IPQ806X_GPIO_H_