3  * Based on drivers/clk/tegra/clk-emc.c
10 #define pr_fmt(fmt)	"tegra-emc-clk: " fmt
56 	struct tegra_clk_emc *emc = to_tegra_clk_emc(hw);  in emc_recalc_rate()  local
59 	val = readl_relaxed(emc->reg);  in emc_recalc_rate()
67 	struct tegra_clk_emc *emc = to_tegra_clk_emc(hw);  in emc_get_parent()  local
69 	return readl_relaxed(emc->reg) >> CLK_SOURCE_EMC_2X_CLK_SRC_SHIFT;  in emc_get_parent()
74 	struct tegra_clk_emc *emc = to_tegra_clk_emc(hw);  in emc_set_parent()  local
77 	val = readl_relaxed(emc->reg);  in emc_set_parent()
83 	if (index == EMC_SRC_PLL_M && div == 0 && emc->want_low_jitter)  in emc_set_parent()
88 	if (emc->mc_same_freq)  in emc_set_parent()
93 	writel_relaxed(val, emc->reg);  in emc_set_parent()
95 	fence_udelay(1, emc->reg);  in emc_set_parent()
103 	struct tegra_clk_emc *emc = to_tegra_clk_emc(hw);  in emc_set_rate()  local
109 	val = readl_relaxed(emc->reg);  in emc_set_rate()
115 	if (index == EMC_SRC_PLL_M && div == 0 && emc->want_low_jitter)  in emc_set_rate()
120 	if (emc->mc_same_freq)  in emc_set_rate()
125 	writel_relaxed(val, emc->reg);  in emc_set_rate()
127 	fence_udelay(1, emc->reg);  in emc_set_rate()
137 	struct tegra_clk_emc *emc = to_tegra_clk_emc(hw);  in emc_set_rate_and_parent()  local
142 	val = readl_relaxed(emc->reg);  in emc_set_rate_and_parent()
150 	if (index == EMC_SRC_PLL_M && div == 0 && emc->want_low_jitter)  in emc_set_rate_and_parent()
155 	if (emc->mc_same_freq)  in emc_set_rate_and_parent()
160 	writel_relaxed(val, emc->reg);  in emc_set_rate_and_parent()
162 	fence_udelay(1, emc->reg);  in emc_set_rate_and_parent()
169 	struct tegra_clk_emc *emc = to_tegra_clk_emc(hw);  in emc_determine_rate()  local
177 	emc_rate = emc->round_cb(req->rate, req->min_rate, req->max_rate,  in emc_determine_rate()
178 				 emc->cb_arg);  in emc_determine_rate()
226 	struct clk *clk = __clk_lookup("emc");  in tegra20_clk_set_emc_round_callback()
227 	struct tegra_clk_emc *emc;  in tegra20_clk_set_emc_round_callback()  local
232 		emc = to_tegra_clk_emc(hw);  in tegra20_clk_set_emc_round_callback()
234 		emc->round_cb = round_cb;  in tegra20_clk_set_emc_round_callback()
235 		emc->cb_arg = cb_arg;  in tegra20_clk_set_emc_round_callback()
246 	struct tegra_clk_emc *emc;  in tegra20_clk_register_emc()  local
250 	emc = kzalloc(sizeof(*emc), GFP_KERNEL);  in tegra20_clk_register_emc()
251 	if (!emc)  in tegra20_clk_register_emc()
255 	 * EMC stands for External Memory Controller.  in tegra20_clk_register_emc()
257 	 * We don't want EMC clock to be disabled ever by gating its  in tegra20_clk_register_emc()
261 	init.name = "emc";  in tegra20_clk_register_emc()
267 	emc->reg = ioaddr;  in tegra20_clk_register_emc()
268 	emc->hw.init = &init;  in tegra20_clk_register_emc()
269 	emc->want_low_jitter = low_jitter;  in tegra20_clk_register_emc()
271 	clk = clk_register(NULL, &emc->hw);  in tegra20_clk_register_emc()
273 		kfree(emc);  in tegra20_clk_register_emc()
282 	struct tegra_clk_emc *emc;  in tegra20_clk_prepare_emc_mc_same_freq()  local
289 	emc = to_tegra_clk_emc(hw);  in tegra20_clk_prepare_emc_mc_same_freq()
290 	emc->mc_same_freq = same;  in tegra20_clk_prepare_emc_mc_same_freq()