Lines Matching refs:cpupll
71 static u32 msc313_cpupll_reg_read32(struct msc313_cpupll *cpupll, unsigned int reg)
75 value = ioread16(cpupll->base + reg + 4) << 16;
76 value |= ioread16(cpupll->base + reg);
81 static void msc313_cpupll_reg_write32(struct msc313_cpupll *cpupll, unsigned int reg, u32 value)
85 iowrite16(l, cpupll->base + reg);
86 iowrite16(h, cpupll->base + reg + 4);
89 static void msc313_cpupll_setfreq(struct msc313_cpupll *cpupll, u32 regvalue)
93 msc313_cpupll_reg_write32(cpupll, REG_LPF_HIGH_BOTTOM, regvalue);
95 iowrite16(0x1, cpupll->base + REG_LPF_MYSTERYONE);
96 iowrite16(0x6, cpupll->base + REG_LPF_MYSTERYTWO);
97 iowrite16(0x8, cpupll->base + REG_LPF_UPDATE_COUNT);
98 iowrite16(BIT(12), cpupll->base + REG_LPF_TRANSITIONCTRL);
100 iowrite16(0, cpupll->base + REG_LPF_TOGGLE);
101 iowrite16(1, cpupll->base + REG_LPF_TOGGLE);
104 while (!(ioread16(cpupll->base + REG_LPF_LOCK))) {
112 iowrite16(0, cpupll->base + REG_LPF_TOGGLE);
114 msc313_cpupll_reg_write32(cpupll, REG_LPF_LOW_L, regvalue);
137 struct msc313_cpupll *cpupll = to_cpupll(hw);
139 return msc313_cpupll_frequencyforreg(msc313_cpupll_reg_read32(cpupll, REG_LPF_LOW_L),
161 struct msc313_cpupll *cpupll = to_cpupll(hw);
164 msc313_cpupll_setfreq(cpupll, reg);
176 { .compatible = "mstar,msc313-cpupll" },
185 struct msc313_cpupll *cpupll;
188 cpupll = devm_kzalloc(&pdev->dev, sizeof(*cpupll), GFP_KERNEL);
189 if (!cpupll)
192 cpupll->base = devm_platform_ioremap_resource(pdev, 0);
193 if (IS_ERR(cpupll->base))
194 return PTR_ERR(cpupll->base);
197 msc313_cpupll_reg_write32(cpupll, REG_LPF_LOW_L,
198 msc313_cpupll_reg_read32(cpupll, REG_CURRENT));
204 cpupll->clk_hw.init = &clk_init;
206 ret = devm_clk_hw_register(dev, &cpupll->clk_hw);
210 return devm_of_clk_add_hw_provider(&pdev->dev, of_clk_hw_simple_get, &cpupll->clk_hw);
215 .name = "mstar-msc313-cpupll",