1 // SPDX-License-Identifier: GPL-2.0+
17 	u32 mask;		/* configuration-value mask bits */
18 	int width;		/* configuration register bit width */  member
27  * single_configure_pins() - Configure pins based on FDT data
29  * @dev: Pointer to single pin configuration device which is the parent of
34  *        This pointer points to a 'pinctrl-single,pins' property in the
35  *        device-tree.
44 	struct single_pdata *pdata = dev->platdata;  in single_configure_pins()
50 		reg = fdt32_to_cpu(pins->reg);  in single_configure_pins()
51 		if ((reg < 0) || (reg > pdata->offset)) {  in single_configure_pins()
55 		reg += pdata->base;  in single_configure_pins()
56 		val = fdt32_to_cpu(pins->val) & pdata->mask;  in single_configure_pins()
57 		switch (pdata->width) {  in single_configure_pins()
59 			writew((readw(reg) & ~pdata->mask) | val, reg);  in single_configure_pins()
62 			writel((readl(reg) & ~pdata->mask) | val, reg);  in single_configure_pins()
65 			dev_warn(dev, "unsupported register width %i\n",  in single_configure_pins()
66 				 pdata->width);  in single_configure_pins()
77 	const void *fdt = gd->fdt_blob;  in single_set_state()
81 	prop = fdt_getprop(fdt, dev_of_offset(config), "pinctrl-single,pins",  in single_set_state()
84 		dev_dbg(dev, "configuring pins for %s\n", config->name);  in single_set_state()
87 			return -FDT_ERR_BADSTRUCTURE;  in single_set_state()
101 	struct single_pdata *pdata = dev->platdata;  in single_ofdata_to_platdata()
103 	pdata->width = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),  in single_ofdata_to_platdata()
104 				      "pinctrl-single,register-width", 0);  in single_ofdata_to_platdata()
106 	res = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev),  in single_ofdata_to_platdata()
110 	pdata->offset = of_reg[1] - pdata->width / 8;  in single_ofdata_to_platdata()
115 		return -EINVAL;  in single_ofdata_to_platdata()
117 	pdata->base = addr;  in single_ofdata_to_platdata()
119 	pdata->mask = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),  in single_ofdata_to_platdata()
120 				     "pinctrl-single,function-mask",  in single_ofdata_to_platdata()
130 	{ .compatible = "pinctrl-single" },
135 	.name = "single-pinctrl",