3  * RK628 eFuse Driver
90 	struct rk628_efuse_chip *efuse = container_of(regmap, struct rk628_efuse_chip, regmap);  in rk628_read()  local
94 		dev_err(efuse->dev, "rk628-efuse:failed to read reg 0x%x\n", reg);  in rk628_read()
104 	struct rk628_efuse_chip *efuse = container_of(regmap, struct rk628_efuse_chip, regmap);  in rk628_write()  local
108 		dev_err(efuse->dev, "rk628-efuse:failed to write reg 0x%x\n", reg);  in rk628_write()
113 static void rk628_efuse_timing_init(struct rk628_efuse_chip *efuse)  in rk628_efuse_timing_init()  argument
115 	u32 base = efuse->base;  in rk628_efuse_timing_init()
117 	rk628_write(efuse->regmap,  in rk628_efuse_timing_init()
118 		    rk628_read(efuse->regmap, base + RK628_MOD) & (~RK628_USER_MODE),  in rk628_efuse_timing_init()
121 	/* setup efuse timing */  in rk628_efuse_timing_init()
122 	rk628_write(efuse->regmap, (T_CSB_P_S << 16) | T_CSB_P_L, base + T_CSB_P);  in rk628_efuse_timing_init()
123 	rk628_write(efuse->regmap, (T_PGENB_P_S << 16) | T_PGENB_P_L, base + T_PGENB_P);  in rk628_efuse_timing_init()
124 	rk628_write(efuse->regmap, (T_LOAD_P_S << 16) | T_LOAD_P_L, base + T_LOAD_P);  in rk628_efuse_timing_init()
125 	rk628_write(efuse->regmap, (T_ADDR_P_S << 16) | T_ADDR_P_L, base + T_ADDR_P);  in rk628_efuse_timing_init()
126 	rk628_write(efuse->regmap, (T_STROBE_P_S << 16) | T_STROBE_P_L, base + T_STROBE_P);  in rk628_efuse_timing_init()
127 	rk628_write(efuse->regmap, (T_CSB_R_S << 16) | T_CSB_R_L, base + T_CSB_R);  in rk628_efuse_timing_init()
128 	rk628_write(efuse->regmap, (T_PGENB_R_S << 16) | T_PGENB_R_L, base + T_PGENB_R);  in rk628_efuse_timing_init()
129 	rk628_write(efuse->regmap, (T_LOAD_R_S << 16) | T_LOAD_R_L, base + T_LOAD_R);  in rk628_efuse_timing_init()
130 	rk628_write(efuse->regmap, (T_ADDR_R_S << 16) | T_ADDR_R_L, base + T_ADDR_R);  in rk628_efuse_timing_init()
131 	rk628_write(efuse->regmap, (T_STROBE_R_S << 16) | T_STROBE_R_L, base + T_STROBE_R);  in rk628_efuse_timing_init()
134 static void rk628_efuse_timing_deinit(struct rk628_efuse_chip *efuse)  in rk628_efuse_timing_deinit()  argument
136 	u32 base = efuse->base;  in rk628_efuse_timing_deinit()
138 	rk628_write(efuse->regmap,  in rk628_efuse_timing_deinit()
139 		    rk628_read(efuse->regmap, base + RK628_MOD) | RK628_USER_MODE, base + RK628_MOD);  in rk628_efuse_timing_deinit()
141 	/* clear efuse timing */  in rk628_efuse_timing_deinit()
142 	rk628_write(efuse->regmap, 0, base + T_CSB_P);  in rk628_efuse_timing_deinit()
143 	rk628_write(efuse->regmap, 0, base + T_PGENB_P);  in rk628_efuse_timing_deinit()
144 	rk628_write(efuse->regmap, 0, base + T_LOAD_P);  in rk628_efuse_timing_deinit()
145 	rk628_write(efuse->regmap, 0, base + T_ADDR_P);  in rk628_efuse_timing_deinit()
146 	rk628_write(efuse->regmap, 0, base + T_STROBE_P);  in rk628_efuse_timing_deinit()
147 	rk628_write(efuse->regmap, 0, base + T_CSB_R);  in rk628_efuse_timing_deinit()
148 	rk628_write(efuse->regmap, 0, base + T_PGENB_R);  in rk628_efuse_timing_deinit()
149 	rk628_write(efuse->regmap, 0, base + T_LOAD_R);  in rk628_efuse_timing_deinit()
150 	rk628_write(efuse->regmap, 0, base + T_ADDR_R);  in rk628_efuse_timing_deinit()
151 	rk628_write(efuse->regmap, 0, base + T_STROBE_R);  in rk628_efuse_timing_deinit()
157 	struct rk628_efuse_chip *efuse = context;  in rk628_efuse_read()  local
163 	ret = clk_prepare_enable(efuse->clk);  in rk628_efuse_read()
165 		dev_err(efuse->dev, "failed to prepare/enable efuse pclk\n");  in rk628_efuse_read()
180 	rk628_efuse_timing_init(efuse);  in rk628_efuse_read()
183 		rk628_write(efuse->regmap, RK628_AUTO_RD | RK628_AUTO_ENB |  in rk628_efuse_read()
185 		       efuse->base + RK628_AUTO_CTRL);  in rk628_efuse_read()
187 		status = rk628_read(efuse->regmap, efuse->base + RK628_INT_STATUS);  in rk628_efuse_read()
192 		out_value = rk628_read(efuse->regmap, efuse->base + RK628_DOUT);  in rk628_efuse_read()
193 		rk628_write(efuse->regmap, RK628_INT_FINISH, efuse->base + RK628_INT_STATUS);  in rk628_efuse_read()
200 	rk628_efuse_timing_deinit(efuse);  in rk628_efuse_read()
203 	clk_disable_unprepare(efuse->clk);  in rk628_efuse_read()
209 	.name = "rk628-efuse",
226 	.name = "rk628-efuse",
238 		.compatible = "rockchip,rk628-efuse",
247 	struct rk628_efuse_chip *efuse;  in rk628_efuse_probe()  local
252 	efuse = devm_kzalloc(&pdev->dev, sizeof(struct rk628_efuse_chip),  in rk628_efuse_probe()
254 	if (!efuse)  in rk628_efuse_probe()
257 	efuse->regmap = devm_regmap_init_i2c(rk628->client,  in rk628_efuse_probe()
259 	if (IS_ERR(efuse->regmap)) {  in rk628_efuse_probe()
260 		ret = PTR_ERR(efuse->regmap);  in rk628_efuse_probe()
266 	efuse->clk = devm_clk_get(&pdev->dev, "pclk");  in rk628_efuse_probe()
267 	if (IS_ERR(efuse->clk)) {  in rk628_efuse_probe()
268 		dev_err(dev, "failed to get pclk: %ld\n", PTR_ERR(efuse->clk));  in rk628_efuse_probe()
269 		return PTR_ERR(efuse->clk);  in rk628_efuse_probe()
272 	efuse->avdd_gpio = devm_gpiod_get_optional(dev, "efuse", GPIOD_OUT_LOW);  in rk628_efuse_probe()
273 	efuse->base = RK628_EFUSE_BASE;  in rk628_efuse_probe()
274 	efuse->dev = &pdev->dev;  in rk628_efuse_probe()
277 	econfig.priv = efuse;  in rk628_efuse_probe()
278 	econfig.dev = efuse->dev;  in rk628_efuse_probe()
291 		.name = "rk628-efuse",