6  * Freescale TCON device driver
23 void fsl_tcon_bypass_disable(struct fsl_tcon *tcon)  in fsl_tcon_bypass_disable()  argument
25 	regmap_update_bits(tcon->regs, FSL_TCON_CTRL1,  in fsl_tcon_bypass_disable()
29 void fsl_tcon_bypass_enable(struct fsl_tcon *tcon)  in fsl_tcon_bypass_enable()  argument
31 	regmap_update_bits(tcon->regs, FSL_TCON_CTRL1,  in fsl_tcon_bypass_enable()
41 	.name = "tcon",
45 				struct fsl_tcon *tcon,  in fsl_tcon_init_regmap()  argument
58 	tcon->regs = devm_regmap_init_mmio(dev, regs,  in fsl_tcon_init_regmap()
60 	return PTR_ERR_OR_ZERO(tcon->regs);  in fsl_tcon_init_regmap()
65 	struct fsl_tcon *tcon;  in fsl_tcon_init()  local
69 	/* TCON node is not mandatory, some devices do not provide TCON */  in fsl_tcon_init()
70 	np = of_parse_phandle(dev->of_node, "fsl,tcon", 0);  in fsl_tcon_init()
74 	tcon = devm_kzalloc(dev, sizeof(*tcon), GFP_KERNEL);  in fsl_tcon_init()
75 	if (!tcon)  in fsl_tcon_init()
78 	ret = fsl_tcon_init_regmap(dev, tcon, np);  in fsl_tcon_init()
80 		dev_err(dev, "Couldn't create the TCON regmap\n");  in fsl_tcon_init()
84 	tcon->ipg_clk = of_clk_get_by_name(np, "ipg");  in fsl_tcon_init()
85 	if (IS_ERR(tcon->ipg_clk)) {  in fsl_tcon_init()
86 		dev_err(dev, "Couldn't get the TCON bus clock\n");  in fsl_tcon_init()
90 	ret = clk_prepare_enable(tcon->ipg_clk);  in fsl_tcon_init()
92 		dev_err(dev, "Couldn't enable the TCON clock\n");  in fsl_tcon_init()
97 	dev_info(dev, "Using TCON in bypass mode\n");  in fsl_tcon_init()
99 	return tcon;  in fsl_tcon_init()
106 void fsl_tcon_free(struct fsl_tcon *tcon)  in fsl_tcon_free()  argument
108 	clk_disable_unprepare(tcon->ipg_clk);  in fsl_tcon_free()
109 	clk_put(tcon->ipg_clk);  in fsl_tcon_free()