3  * Driver for the ICST307 VCO clock found in the ARM Reference designs.
37  * struct clk_icst - ICST VCO clock wrapper
39  * @vcoreg: VCO register address
40  * @lockreg: VCO lock register address
58  * vco_get() - get ICST VCO settings from a certain ICST
60  * @vco: the VCO struct to return the value in
62 static int vco_get(struct clk_icst *icst, struct icst_vco *vco)  in vco_get()  argument
80 		vco->v = val & INTEGRATOR_AP_CM_BITS;  in vco_get()
81 		vco->r = 22;  in vco_get()
82 		vco->s = 1;  in vco_get()
95 		vco->v = val & INTEGRATOR_AP_SYS_BITS;  in vco_get()
96 		vco->r = 46;  in vco_get()
97 		vco->s = 3;  in vco_get()
112 		vco->v = divxy ? 17 : 14;  in vco_get()
113 		vco->r = divxy ? 22 : 14;  in vco_get()
114 		vco->s = 1;  in vco_get()
127 		vco->v = val & 0xFF;  in vco_get()
128 		vco->r = 22;  in vco_get()
129 		vco->s = (val >> 8) & 7;  in vco_get()
134 		vco->v = (val >> 12) & 0xFF;  in vco_get()
135 		vco->r = 22;  in vco_get()
136 		vco->s = (val >> 20) & 7;  in vco_get()
140 	vco->v = val & 0x1ff;  in vco_get()
141 	vco->r = (val >> 9) & 0x7f;  in vco_get()
142 	vco->s = (val >> 16) & 03;  in vco_get()
147  * vco_set() - commit changes to an ICST VCO
149  * @vco: the VCO struct to set the changes from
151 static int vco_set(struct clk_icst *icst, struct icst_vco vco)  in vco_set()  argument
157 	/* Mask the bits used by the VCO */  in vco_set()
161 		val = vco.v & 0xFF;  in vco_set()
162 		if (vco.v & 0x100)  in vco_set()
164 		if (vco.s != 1)  in vco_set()
166 		if (vco.r != 22)  in vco_set()
171 		val = vco.v & 0xFF;  in vco_set()
172 		if (vco.v & 0x100)  in vco_set()
174 		if (vco.s != 3)  in vco_set()
176 		if (vco.r != 46)  in vco_set()
181 		val = (vco.v & 0xFF) | vco.s << 8;  in vco_set()
182 		if (vco.v & 0x100)  in vco_set()
184 		if (vco.r != 22)  in vco_set()
189 		val = ((vco.v & 0xFF) << 12) | (vco.s << 20);  in vco_set()
190 		if (vco.v & 0x100)  in vco_set()
192 		if (vco.r != 22)  in vco_set()
198 		val = vco.v | (vco.r << 9) | (vco.s << 16);  in vco_set()
204 	/* This magic unlocks the VCO so it can be controlled */  in vco_set()
211 	/* This locks the VCO again */  in vco_set()
222 	struct icst_vco vco;  in icst_recalc_rate()  local
227 	ret = vco_get(icst, &vco);  in icst_recalc_rate()
229 		pr_err("ICST: could not get VCO setting\n");  in icst_recalc_rate()
232 	icst->rate = icst_hz(icst->params, vco);  in icst_recalc_rate()
240 	struct icst_vco vco;  in icst_round_rate()  local
282 	vco = icst_hz_to_vco(icst->params, rate);  in icst_round_rate()
283 	return icst_hz(icst->params, vco);  in icst_round_rate()
290 	struct icst_vco vco;  in icst_set_rate()  local
315 		/* This locks the VCO again */  in icst_set_rate()
324 	vco = icst_hz_to_vco(icst->params, rate);  in icst_set_rate()
325 	icst->rate = icst_hz(icst->params, vco);  in icst_set_rate()
326 	return vco_set(icst, vco);  in icst_set_rate()
503 	if (of_property_read_u32(np, "vco-offset", &icst_desc.vco_offset)) {  in of_syscon_icst_setup()
504 		pr_err("no VCO register offset for ICST clock\n");  in of_syscon_icst_setup()