[PATCH net-next v2 11/14] dpll: dpllsim: Add support to adjust phase

@@ -12,6 +12,11 @@
 
 #include "dpllsim.h"
 
+#define DPLLSIM_PHASE_ADJUST_GRAN		100	/* ps */
+/* Largest multiple of the granularity, so the range ends are settable */
+#define DPLLSIM_PHASE_ADJUST_MAX \
+	(S32_MAX - S32_MAX % DPLLSIM_PHASE_ADJUST_GRAN)
+
 static struct dpll_pin_frequency dpllsim_freq_1pps[] = {
 	DPLL_PIN_FREQUENCY_RANGE(1, 1),
 };

@@ -159,6 +164,33 @@ static int dpllsim_pin_prio_set(const struct dpll_pin *pin, void *pin_priv,
 	return 0;
 }
 
+static int dpllsim_pin_phase_adjust_get(const struct dpll_pin *pin,
+					void *pin_priv,
+					const struct dpll_device *dpll,
+					void *dpll_priv, s32 *phase_adjust,
+					struct netlink_ext_ack *extack)
+{
+	struct dpllsim_pin *sim_pin = pin_priv;
+
+	guard(mutex)(&sim_pin->dev->lock);
+	*phase_adjust = sim_pin->phase_adjust;
+	return 0;
+}
+
+static int dpllsim_pin_phase_adjust_set(const struct dpll_pin *pin,
+					void *pin_priv,
+					const struct dpll_device *dpll,
+					void *dpll_priv,
+					const s32 phase_adjust,
+					struct netlink_ext_ack *extack)
+{
+	struct dpllsim_pin *sim_pin = pin_priv;
+
+	guard(mutex)(&sim_pin->dev->lock);
+	sim_pin->phase_adjust = phase_adjust;
+	return 0;
+}
+
 static const struct dpll_pin_ops dpllsim_input_pin_ops = {
 	.frequency_get = dpllsim_pin_frequency_get,
 	.frequency_set = dpllsim_pin_frequency_set,

@@ -167,6 +199,8 @@ static const struct dpll_pin_ops dpllsim_input_pin_ops = {
 	.state_on_dpll_set = dpllsim_pin_state_set,
 	.prio_get = dpllsim_pin_prio_get,
 	.prio_set = dpllsim_pin_prio_set,
+	.phase_adjust_get = dpllsim_pin_phase_adjust_get,
+	.phase_adjust_set = dpllsim_pin_phase_adjust_set,
 };
 
 static const struct dpll_pin_ops dpllsim_output_pin_ops = {

@@ -174,6 +208,8 @@ static const struct dpll_pin_ops dpllsim_output_pin_ops = {
 	.frequency_set = dpllsim_pin_frequency_set,
 	.direction_get = dpllsim_pin_direction_get,
 	.state_on_dpll_get = dpllsim_pin_state_get,
+	.phase_adjust_get = dpllsim_pin_phase_adjust_get,
+	.phase_adjust_set = dpllsim_pin_phase_adjust_set,
 };
 
 static const struct dpll_pin_ops *

@@ -189,6 +225,9 @@ static void dpllsim_pin_props(struct dpllsim_pin *pin,
 {
 	prop->type = pin->type;
 	prop->board_label = config_item_name(&pin->item);
+	prop->phase_range.min = -DPLLSIM_PHASE_ADJUST_MAX;
+	prop->phase_range.max = DPLLSIM_PHASE_ADJUST_MAX;
+	prop->phase_gran = DPLLSIM_PHASE_ADJUST_GRAN;
 
 	switch (pin->type) {
 	case DPLL_PIN_TYPE_GNSS:

@@ -250,6 +289,7 @@ static void dpllsim_pin_reset(struct dpllsim_pin *pin)
 {
 	pin->ops = dpllsim_pin_select_ops(pin);
 	pin->state = DPLL_PIN_STATE_DISCONNECTED;
+	pin->phase_adjust = 0;
 }
 
 /* Build sim->pins in registration order, the order the pins were created */

@@ -43,6 +43,7 @@ struct dpllsim_pin {
 
 	/* Simulated state, guarded by dev->lock */
 	enum dpll_pin_state state;
+	s32 phase_adjust;
 };
 
 struct dpllsim_dev {