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authorLinus Walleij <linus.walleij@linaro.org>2013-11-17 11:52:32 +0100
committerLinus Walleij <linus.walleij@linaro.org>2013-11-26 21:01:57 +0100
commit4d4629fcc264ff532801f4fb66032ff3c4df48f0 (patch)
treee1c571ae24b9f7e2ab08f53d9a43294c5847d2a6 /arch
parent2f4b84f8ecd2e4680a2e205e78d5ccdf56bd87d7 (diff)
ARM: ux500: move snowball pin configs to device tree
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/ste-snowball.dts59
-rw-r--r--arch/arm/mach-ux500/board-mop500-pins.c19
2 files changed, 59 insertions, 19 deletions
diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts
index 605188ba30cd..9070c3701c89 100644
--- a/arch/arm/boot/dts/ste-snowball.dts
+++ b/arch/arm/boot/dts/ste-snowball.dts
@@ -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 {
diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index aae9cfcfd56a..ff532ba30610 100644
--- a/arch/arm/mach-ux500/board-mop500-pins.c
+++ b/arch/arm/mach-ux500/board-mop500-pins.c
@@ -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));
}