Lines Matching refs:zclk
198 struct cpg_z_clk *zclk = to_z_clk(hw);
202 val = readl(zclk->reg) & zclk->mask;
203 mult = 32 - (val >> __ffs(zclk->mask));
206 32 * zclk->fixed_div);
212 struct cpg_z_clk *zclk = to_z_clk(hw);
217 if (rate <= zclk->max_rate) {
219 prate = zclk->max_rate;
225 prate * zclk->fixed_div);
227 prate = req->best_parent_rate / zclk->fixed_div;
243 struct cpg_z_clk *zclk = to_z_clk(hw);
247 mult = DIV64_U64_ROUND_CLOSEST(rate * 32ULL * zclk->fixed_div,
251 if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK)
254 cpg_reg_modify(zclk->reg, zclk->mask, (32 - mult) << __ffs(zclk->mask));
260 cpg_reg_modify(zclk->kick_reg, 0, CPG_FRQCRB_KICK);
272 if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK))
294 struct cpg_z_clk *zclk;
297 zclk = kzalloc(sizeof(*zclk), GFP_KERNEL);
298 if (!zclk)
307 zclk->reg = reg + CPG_FRQCRC;
308 zclk->kick_reg = reg + CPG_FRQCRB;
309 zclk->hw.init = &init;
310 zclk->mask = GENMASK(offset + 4, offset);
311 zclk->fixed_div = div; /* PLLVCO x 1/div x SYS-CPU divider */
313 clk = clk_register(NULL, &zclk->hw);
315 kfree(zclk);
319 zclk->max_rate = clk_hw_get_rate(clk_hw_get_parent(&zclk->hw)) /
320 zclk->fixed_div;