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path: root/drivers/pinctrl/pinctrl-sandbox.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-sandbox.c')
-rw-r--r--drivers/pinctrl/pinctrl-sandbox.c44
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-sandbox.c b/drivers/pinctrl/pinctrl-sandbox.c
index 0786afe747..3ee75fbbee 100644
--- a/drivers/pinctrl/pinctrl-sandbox.c
+++ b/drivers/pinctrl/pinctrl-sandbox.c
@@ -14,7 +14,11 @@ static const char * const sandbox_pins[] = {
"SDA",
"TX",
"RX",
- "W1"
+ "W1",
+ "GPIO0",
+ "GPIO1",
+ "GPIO2",
+ "GPIO3",
};
static const char * const sandbox_pins_muxing[] = {
@@ -23,6 +27,10 @@ static const char * const sandbox_pins_muxing[] = {
"Uart TX",
"Uart RX",
"1-wire gpio",
+ "gpio",
+ "gpio",
+ "gpio",
+ "gpio",
};
static const char * const sandbox_groups[] = {
@@ -38,6 +46,10 @@ static const char * const sandbox_functions[] = {
"serial",
"spi",
"w1",
+ "gpio",
+ "gpio",
+ "gpio",
+ "gpio",
};
static const struct pinconf_param sandbox_conf_params[] = {
@@ -54,6 +66,10 @@ static const struct pinconf_param sandbox_conf_params[] = {
{ "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 },
};
+/* bitfield used to save param and value of each pin/selector */
+static unsigned int sandbox_pins_param[ARRAY_SIZE(sandbox_pins)];
+static unsigned int sandbox_pins_value[ARRAY_SIZE(sandbox_pins)];
+
static int sandbox_get_pins_count(struct udevice *dev)
{
return ARRAY_SIZE(sandbox_pins);
@@ -68,8 +84,25 @@ static int sandbox_get_pin_muxing(struct udevice *dev,
unsigned int selector,
char *buf, int size)
{
+ const struct pinconf_param *p;
+ int i;
+
snprintf(buf, size, "%s", sandbox_pins_muxing[selector]);
+ if (sandbox_pins_param[selector]) {
+ for (i = 0, p = sandbox_conf_params;
+ i < ARRAY_SIZE(sandbox_conf_params);
+ i++, p++) {
+ if ((sandbox_pins_param[selector] & BIT(p->param)) &&
+ (!!(sandbox_pins_value[selector] & BIT(p->param)) ==
+ p->default_value)) {
+ strncat(buf, " ", size);
+ strncat(buf, p->property, size);
+ }
+ }
+ }
+ strncat(buf, ".", size);
+
return 0;
}
@@ -102,6 +135,9 @@ static int sandbox_pinmux_set(struct udevice *dev, unsigned pin_selector,
pin_selector, sandbox_get_pin_name(dev, pin_selector),
func_selector, sandbox_get_function_name(dev, func_selector));
+ sandbox_pins_param[pin_selector] = 0;
+ sandbox_pins_value[pin_selector] = 0;
+
return 0;
}
@@ -123,6 +159,12 @@ static int sandbox_pinconf_set(struct udevice *dev, unsigned pin_selector,
pin_selector, sandbox_get_pin_name(dev, pin_selector),
param, argument);
+ sandbox_pins_param[pin_selector] |= BIT(param);
+ if (argument)
+ sandbox_pins_value[pin_selector] |= BIT(param);
+ else
+ sandbox_pins_value[pin_selector] &= ~BIT(param);
+
return 0;
}