71 static unsigned int hi6220_acpu_get_freq(struct hi6220_stub_clk *stub_clk)  in hi6220_acpu_get_freq()  argument
75 	regmap_read(stub_clk->dfs_map, ACPU_DFS_CUR_FREQ, &freq);  in hi6220_acpu_get_freq()
79 static int hi6220_acpu_set_freq(struct hi6220_stub_clk *stub_clk,  in hi6220_acpu_set_freq()  argument
85 	regmap_write(stub_clk->dfs_map, ACPU_DFS_FREQ_REQ, freq);  in hi6220_acpu_set_freq()
93 	mbox_send_message(stub_clk->mbox, &data);  in hi6220_acpu_set_freq()
97 static int hi6220_acpu_round_freq(struct hi6220_stub_clk *stub_clk,  in hi6220_acpu_round_freq()  argument
104 	regmap_read(stub_clk->dfs_map, ACPU_DFS_FLAG, &limit_flag);  in hi6220_acpu_round_freq()
106 		regmap_read(stub_clk->dfs_map, ACPU_DFS_FREQ_LMT, &limit_freq);  in hi6220_acpu_round_freq()
109 	regmap_read(stub_clk->dfs_map, ACPU_DFS_FREQ_MAX, &max_freq);  in hi6220_acpu_round_freq()
124 	struct hi6220_stub_clk *stub_clk = to_stub_clk(hw);  in hi6220_stub_clk_recalc_rate()  local
126 	switch (stub_clk->id) {  in hi6220_stub_clk_recalc_rate()
128 		rate = hi6220_acpu_get_freq(stub_clk);  in hi6220_stub_clk_recalc_rate()
135 		dev_err(stub_clk->dev, "%s: un-supported clock id %d\n",  in hi6220_stub_clk_recalc_rate()
136 			__func__, stub_clk->id);  in hi6220_stub_clk_recalc_rate()
146 	struct hi6220_stub_clk *stub_clk = to_stub_clk(hw);  in hi6220_stub_clk_set_rate()  local
150 	switch (stub_clk->id) {  in hi6220_stub_clk_set_rate()
152 		ret = hi6220_acpu_set_freq(stub_clk, new_rate);  in hi6220_stub_clk_set_rate()
159 		dev_err(stub_clk->dev, "%s: un-supported clock id %d\n",  in hi6220_stub_clk_set_rate()
160 			__func__, stub_clk->id);  in hi6220_stub_clk_set_rate()
171 	struct hi6220_stub_clk *stub_clk = to_stub_clk(hw);  in hi6220_stub_clk_round_rate()  local
174 	switch (stub_clk->id) {  in hi6220_stub_clk_round_rate()
176 		new_rate = hi6220_acpu_round_freq(stub_clk, new_rate);  in hi6220_stub_clk_round_rate()
183 		dev_err(stub_clk->dev, "%s: un-supported clock id %d\n",  in hi6220_stub_clk_round_rate()
184 			__func__, stub_clk->id);  in hi6220_stub_clk_round_rate()
201 	struct hi6220_stub_clk *stub_clk;  in hi6220_stub_clk_probe()  local
206 	stub_clk = devm_kzalloc(dev, sizeof(*stub_clk), GFP_KERNEL);  in hi6220_stub_clk_probe()
207 	if (!stub_clk)  in hi6220_stub_clk_probe()
210 	stub_clk->dfs_map = syscon_regmap_lookup_by_phandle(np,  in hi6220_stub_clk_probe()
212 	if (IS_ERR(stub_clk->dfs_map)) {  in hi6220_stub_clk_probe()
214 		return PTR_ERR(stub_clk->dfs_map);  in hi6220_stub_clk_probe()
217 	stub_clk->hw.init = &init;  in hi6220_stub_clk_probe()
218 	stub_clk->dev = dev;  in hi6220_stub_clk_probe()
219 	stub_clk->id = HI6220_STUB_ACPU0;  in hi6220_stub_clk_probe()
222 	stub_clk->cl.dev = dev;  in hi6220_stub_clk_probe()
223 	stub_clk->cl.tx_done = NULL;  in hi6220_stub_clk_probe()
224 	stub_clk->cl.tx_block = true;  in hi6220_stub_clk_probe()
225 	stub_clk->cl.tx_tout = 500;  in hi6220_stub_clk_probe()
226 	stub_clk->cl.knows_txdone = false;  in hi6220_stub_clk_probe()
229 	stub_clk->mbox = mbox_request_channel(&stub_clk->cl, 0);  in hi6220_stub_clk_probe()
230 	if (IS_ERR(stub_clk->mbox)) {  in hi6220_stub_clk_probe()
232 		return PTR_ERR(stub_clk->mbox);  in hi6220_stub_clk_probe()
240 	clk = devm_clk_register(dev, &stub_clk->hw);  in hi6220_stub_clk_probe()
251 	regmap_write(stub_clk->dfs_map, ACPU_DFS_FLAG, 0x0);  in hi6220_stub_clk_probe()
252 	regmap_write(stub_clk->dfs_map, ACPU_DFS_FREQ_REQ, 0x0);  in hi6220_stub_clk_probe()
253 	regmap_write(stub_clk->dfs_map, ACPU_DFS_FREQ_LMT, 0x0);  in hi6220_stub_clk_probe()