arm/mach-omap2/voltage.c

47  * @voltdm:	pointer to the voltdm for which current voltage info is needed
52 unsigned long voltdm_get_voltage(struct voltagedomain *voltdm)
54 	if (!voltdm || IS_ERR(voltdm)) {
59 	return voltdm->nominal_volt;
64  * @voltdm: pointer to the voltage domain which is to be scaled.
70 static int voltdm_scale(struct voltagedomain *voltdm,
76 	if (!voltdm || IS_ERR(voltdm)) {
81 	if (!voltdm->scale) {
83 			__func__, voltdm->name);
87 	if (!voltdm->volt_data) {
89 			__func__, voltdm->name);
94 	for (i = 0; voltdm->volt_data[i].volt_nominal != 0; i++) {
95 		if (voltdm->volt_data[i].volt_nominal >= target_volt) {
96 			volt = voltdm->volt_data[i].volt_nominal;
107 	ret = voltdm->scale(voltdm, volt);
109 		voltdm->nominal_volt = volt;
117  * @voltdm: pointer to the voltage domain whose voltage is to be reset.
123 void voltdm_reset(struct voltagedomain *voltdm)
127 	if (!voltdm || IS_ERR(voltdm)) {
132 	target_volt = voltdm_get_voltage(voltdm);
135 			__func__, voltdm->name);
139 	voltdm_scale(voltdm, target_volt);
145  * @voltdm:	pointer to the VDD for which the voltage table is required
154 void omap_voltage_get_volttable(struct voltagedomain *voltdm,
157 	if (!voltdm || IS_ERR(voltdm)) {
162 	*volt_data = voltdm->volt_data;
168  * @voltdm:	pointer to the VDD whose voltage table has to be searched
180 struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
185 	if (!voltdm || IS_ERR(voltdm)) {
190 	if (!voltdm->volt_data) {
192 			__func__, voltdm->name);
196 	for (i = 0; voltdm->volt_data[i].volt_nominal != 0; i++) {
197 		if (voltdm->volt_data[i].volt_nominal == volt)
198 			return &voltdm->volt_data[i];
202 		  __func__, voltdm->name);
209  * @voltdm:	pointer to the VDD for which the PMIC specific data is
216 int omap_voltage_register_pmic(struct voltagedomain *voltdm,
219 	if (!voltdm || IS_ERR(voltdm)) {
224 	voltdm->pmic = pmic;
238 	struct voltagedomain *voltdm;
246 	list_for_each_entry(voltdm, &voltdm_list, node) {
249 		if (!voltdm->scalable)
252 		sys_ck = clk_get(NULL, voltdm->sys_clk.name);
257 		voltdm->sys_clk.rate = clk_get_rate(sys_ck);
258 		WARN_ON(!voltdm->sys_clk.rate);
261 		if (voltdm->vc) {
262 			voltdm->scale = omap_vc_bypass_scale;
263 			omap_vc_init_channel(voltdm);
266 		if (voltdm->vp) {
267 			voltdm->scale = omap_vp_forceupdate_scale;
268 			omap_vp_init(voltdm);
277 	struct voltagedomain *voltdm, *temp_voltdm;
279 	voltdm = NULL;
283 			voltdm = temp_voltdm;
288 	return voltdm;
291 static int _voltdm_register(struct voltagedomain *voltdm)
293 	if (!voltdm || !voltdm->name)
296 	list_add(&voltdm->node, &voltdm_list);
298 	pr_debug("voltagedomain: registered %s\n", voltdm->name);
312 	struct voltagedomain *voltdm ;
317 	voltdm = _voltdm_lookup(name);
319 	return voltdm;