[ARM] pxa/balloon3: PCF857x GPIO expander and LEDs

Add supported for PCF8574A GPIO expander and LEDs attached to it.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h
index d5dcf750c1ef..238f887ebaea 100644
--- a/arch/arm/mach-pxa/include/mach/balloon3.h
+++ b/arch/arm/mach-pxa/include/mach/balloon3.h
@@ -69,6 +69,17 @@ enum balloon3_features {
 
 #define BALLOON3_GPIO_S0_CD             (105)
 
+/* PCF8574A Leds */
+#define BALLOON3_PCF_GPIO_BASE          160
+#define BALLOON3_PCF_GPIO_LED0          (BALLOON3_PCF_GPIO_BASE + 0)
+#define BALLOON3_PCF_GPIO_LED1          (BALLOON3_PCF_GPIO_BASE + 1)
+#define BALLOON3_PCF_GPIO_LED2          (BALLOON3_PCF_GPIO_BASE + 2)
+#define BALLOON3_PCF_GPIO_LED3          (BALLOON3_PCF_GPIO_BASE + 3)
+#define BALLOON3_PCF_GPIO_LED4          (BALLOON3_PCF_GPIO_BASE + 4)
+#define BALLOON3_PCF_GPIO_LED5          (BALLOON3_PCF_GPIO_BASE + 5)
+#define BALLOON3_PCF_GPIO_LED6          (BALLOON3_PCF_GPIO_BASE + 6)
+#define BALLOON3_PCF_GPIO_LED7          (BALLOON3_PCF_GPIO_BASE + 7)
+
 /* FPGA Interrupt Mask/Acknowledge Register */
 #define BALLOON3_INT_S0_IRQ             (1 << 0)  /* PCMCIA 0 IRQ */
 #define BALLOON3_INT_S0_STSCHG          (1 << 1)  /* PCMCIA 0 status changed */