The differences include the number of GPIOs and that one is
not required to set the pinmux on request.
---
arch/arm/include/asm/arch-davinci/gpio.h | 8 +++++++-
drivers/gpio/Makefile | 1 +
drivers/gpio/da8xx_gpio.c | 4 ++++
3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/arch-davinci/gpio.h
b/arch/arm/include/asm/arch-davinci/gpio.h
index ef65ffb..5206b12 100644
--- a/arch/arm/include/asm/arch-davinci/gpio.h
+++ b/arch/arm/include/asm/arch-davinci/gpio.h
@@ -65,9 +65,15 @@ struct davinci_gpio_bank {
#define davinci_gpio_bank67 ((struct davinci_gpio *)DAVINCI_GPIO_BANK67)
#define davinci_gpio_bank8 ((struct davinci_gpio *)DAVINCI_GPIO_BANK8)
+#if defined(CONFIG_SOC_DM644X)
+/* GPIO0 to GPIO53, omit the V3.3 volts one */
+#define MAX_NUM_GPIOS 70
+#else
+#define MAX_NUM_GPIOS 144
+#endif
+
#define gpio_status() gpio_info()
#define GPIO_NAME_SIZE 20
-#define MAX_NUM_GPIOS 144
#define GPIO_BANK(gp) (davinci_gpio_bank01 + ((gp) >> 5))
#define GPIO_BIT(gp) ((gp) & 0x1F)
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 2d97b4f..9df1e26 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -39,6 +39,7 @@ COBJS-$(CONFIG_SANDBOX_GPIO) += sandbox.o
COBJS-$(CONFIG_SPEAR_GPIO) += spear_gpio.o
COBJS-$(CONFIG_TEGRA_GPIO) += tegra_gpio.o
COBJS-$(CONFIG_DA8XX_GPIO) += da8xx_gpio.o
+COBJS-$(CONFIG_DM644X_GPIO) += da8xx_gpio.o
COBJS-$(CONFIG_ALTERA_PIO) += altera_pio.o
COBJS-$(CONFIG_MPC83XX_GPIO) += mpc83xx_gpio.o
COBJS-$(CONFIG_SH_GPIO_PFC) += sh_pfc.o
diff --git a/drivers/gpio/da8xx_gpio.c b/drivers/gpio/da8xx_gpio.c
index 84d2b77..ed6a118 100644
--- a/drivers/gpio/da8xx_gpio.c
+++ b/drivers/gpio/da8xx_gpio.c
@@ -31,6 +31,7 @@ static struct gpio_registry {
char name[GPIO_NAME_SIZE];
} gpio_registry[MAX_NUM_GPIOS];
+#if defined(CONFIG_SOC_DA8XX)
#define pinmux(x) (&davinci_syscfg_regs->pinmux[x])
static const struct pinmux_config gpio_pinmux[] = {
@@ -179,6 +180,9 @@ static const struct pinmux_config gpio_pinmux[] = {
{ pinmux(18), 8, 3 },
{ pinmux(18), 8, 2 },
};
+#else
+#define davinci_configure_pin_mux(a, b)
+#endif
int gpio_request(unsigned gpio, const char *label)
{
--
1.7.10.4
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