nand/raw/denali_dt.c

3  * NAND Flash Controller Device Driver for DT
115 	struct denali_dt *dt;
121 	dt = devm_kzalloc(dev, sizeof(*dt), GFP_KERNEL);
122 	if (!dt)
124 	denali = &dt->controller;
148 	dt->clk = devm_clk_get_enabled(dev, "nand");
149 	if (IS_ERR(dt->clk))
150 		return PTR_ERR(dt->clk);
152 	dt->clk_x = devm_clk_get_enabled(dev, "nand_x");
153 	if (IS_ERR(dt->clk_x))
154 		return PTR_ERR(dt->clk_x);
156 	dt->clk_ecc = devm_clk_get_enabled(dev, "ecc");
157 	if (IS_ERR(dt->clk_ecc))
158 		return PTR_ERR(dt->clk_ecc);
160 	dt->rst = devm_reset_control_get_optional_shared(dev, "nand");
161 	if (IS_ERR(dt->rst))
162 		return PTR_ERR(dt->rst);
164 	dt->rst_reg = devm_reset_control_get_optional_shared(dev, "reg");
165 	if (IS_ERR(dt->rst_reg))
166 		return PTR_ERR(dt->rst_reg);
168 	denali->clk_rate = clk_get_rate(dt->clk);
169 	denali->clk_x_rate = clk_get_rate(dt->clk_x);
176 	ret = reset_control_deassert(dt->rst_reg);
180 	ret = reset_control_deassert(dt->rst);
203 	platform_set_drvdata(pdev, dt);
210 	reset_control_assert(dt->rst);
212 	reset_control_assert(dt->rst_reg);
219 	struct denali_dt *dt = platform_get_drvdata(pdev);
221 	denali_remove(&dt->controller);
222 	reset_control_assert(dt->rst);
223 	reset_control_assert(dt->rst_reg);
230 		.name	= "denali-nand-dt",
238 MODULE_DESCRIPTION("DT driver for Denali NAND controller");