@@ -357,6 +357,16 @@
};
pinctrl {
+ /*
+ * Set this up using hogs, as time goes by and as seems fit, these
+ * can be moved over to being controlled by respective device.
+ */
+ pinctrl-names = "default";
+ pinctrl-0 = <&accel_snowball_mode>,
+ <&magneto_snowball_mode>,
+ <&gbf_snowball_mode>,
+ <&wlan_snowball_mode>;
+
ethernet {
/*
* Mux in "SM" which is used for the
@@ -425,6 +435,55 @@
};
};
+ accelerometer {
+ accel_snowball_mode: accel_snowball {
+ /* Accelerometer lines */
+ snowball_cfg1 {
+ ste,pins =
+ "GPIO163_C20", /* ACCEL_IRQ1 */
+ "GPIO164_B21"; /* ACCEL_IRQ2 */
+ ste,config = <&gpio_in_pu>;
+ };
+ };
+ };
+ magnetometer {
+ magneto_snowball_mode: magneto_snowball {
+ snowball_cfg1 {
+ ste,pins = "GPIO165_C21"; /* MAG_DRDY */
+ ste,config = <&gpio_in_pu>;
+ };
+ };
+ };
+ gbf {
+ gbf_snowball_mode: gbf_snowball {
+ /*
+ * GBF (GPS, Bluetooth, FM-radio) interface,
+ * pull low to reset state
+ */
+ snowball_cfg1 {
+ ste,pins = "GPIO171_D23"; /* GBF_ENA_RESET */
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
+ wlan {
+ wlan_snowball_mode: wlan_snowball {
+ /*
+ * Activate this mode with the WLAN chip.
+ * These are plain GPIO pins used by WLAN
+ */
+ snowball_cfg1 {
+ ste,pins =
+ "GPIO161_D21", /* WLAN_PMU_EN */
+ "GPIO215_AH13"; /* WLAN_ENA */
+ ste,config = <&gpio_out_lo>;
+ };
+ snowball_cfg2 {
+ ste,pins = "GPIO216_AG12"; /* WLAN_IRQ */
+ ste,config = <&gpio_in_pu>;
+ };
+ };
+ };
};
mcde@a0350000 {
@@ -23,11 +23,6 @@ BIAS(abx500_out_lo, PIN_CONF_PACKED(PIN_CONFIG_OUTPUT, 0));
BIAS(abx500_in_pd, PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_DOWN, 1));
BIAS(abx500_in_nopull, PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_DOWN, 0));
-/* These also force them into GPIO mode */
-BIAS(gpio_in_pu, PIN_INPUT_PULLUP|PIN_GPIOMODE_ENABLED);
-BIAS(gpio_out_hi, PIN_OUTPUT_HIGH|PIN_GPIOMODE_ENABLED);
-BIAS(gpio_out_lo, PIN_OUTPUT_LOW|PIN_GPIOMODE_ENABLED);
-
/* We use these to define hog settings that are always done on boot */
#define DB8500_MUX_HOG(group,func) \
PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-db8500", group, func)
@@ -296,18 +291,6 @@ static struct pinctrl_map __initdata ab8505_pinmap[] = {
AB8505_PIN_HOG("GPIO53_D15", in_pd),
};
-static struct pinctrl_map __initdata snowball_pinmap[] = {
- /* Accelerometer/Magnetometer */
- DB8500_PIN_HOG("GPIO163_C20", gpio_in_pu), /* ACCEL_IRQ1 */
- DB8500_PIN_HOG("GPIO164_B21", gpio_in_pu), /* ACCEL_IRQ2 */
- DB8500_PIN_HOG("GPIO165_C21", gpio_in_pu), /* MAG_DRDY */
- /* WLAN/GBF */
- DB8500_PIN_HOG("GPIO161_D21", gpio_out_lo), /* WLAN_PMU_EN */
- DB8500_PIN_HOG("GPIO171_D23", gpio_out_hi), /* GBF_ENA */
- DB8500_PIN_HOG("GPIO215_AH13", gpio_out_lo), /* WLAN_ENA */
- DB8500_PIN_HOG("GPIO216_AG12", gpio_in_pu), /* WLAN_IRQ */
-};
-
void __init mop500_pinmaps_init(void)
{
if (machine_is_u8520())
@@ -320,8 +303,6 @@ void __init mop500_pinmaps_init(void)
void __init snowball_pinmaps_init(void)
{
- pinctrl_register_mappings(snowball_pinmap,
- ARRAY_SIZE(snowball_pinmap));
pinctrl_register_mappings(ab8500_pinmap,
ARRAY_SIZE(ab8500_pinmap));
}
Move the few remaining snowball pin configurations to the device tree, reference these as hogs to the pin controller until there are real devices that can make use of them. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- arch/arm/boot/dts/ste-snowball.dts | 59 +++++++++++++++++++++++++++++++++ arch/arm/mach-ux500/board-mop500-pins.c | 19 ----------- 2 files changed, 59 insertions(+), 19 deletions(-)