1 // SPDX-License-Identifier: GPL-2.0-only
3  *  linux/drivers/pinctrl/pinmux-falcon.c
4  *  based on linux/drivers/pinctrl/pinmux-pxa910.c
12 #include <linux/gpio/driver.h>
22 #include "pinctrl-lantiq.h"
107 	MFP_FALCON(GPIO0,	RST,	GPIO,   NONE,   NONE),
108 	MFP_FALCON(GPIO1,	GPIO,	GPIO,   NONE,   NONE),
109 	MFP_FALCON(GPIO2,	GPIO,	GPIO,   NONE,   NONE),
110 	MFP_FALCON(GPIO3,	GPIO,	GPIO,   NONE,   NONE),
111 	MFP_FALCON(GPIO4,	NTR,	GPIO,   NONE,   NONE),
112 	MFP_FALCON(GPIO5,	NTR,	GPIO,   PPS,    NONE),
113 	MFP_FALCON(GPIO6,	RST,	GPIO,   NONE,   NONE),
114 	MFP_FALCON(GPIO7,	MDIO,	GPIO,   NONE,   NONE),
115 	MFP_FALCON(GPIO8,	MDIO,	GPIO,   NONE,   NONE),
116 	MFP_FALCON(GPIO9,	LED,	GPIO,   NONE,   NONE),
117 	MFP_FALCON(GPIO10,	LED,	GPIO,   NONE,   NONE),
118 	MFP_FALCON(GPIO11,	LED,	GPIO,   NONE,   NONE),
119 	MFP_FALCON(GPIO12,	LED,	GPIO,   NONE,   NONE),
120 	MFP_FALCON(GPIO13,	LED,	GPIO,   NONE,   NONE),
121 	MFP_FALCON(GPIO14,	LED,	GPIO,   NONE,   NONE),
122 	MFP_FALCON(GPIO32,	ASC,	GPIO,   NONE,   NONE),
123 	MFP_FALCON(GPIO33,	ASC,	GPIO,   NONE,   NONE),
124 	MFP_FALCON(GPIO34,	SPI,	GPIO,	NONE,	NONE),
125 	MFP_FALCON(GPIO35,	SPI,	GPIO,	NONE,	NONE),
126 	MFP_FALCON(GPIO36,	SPI,	GPIO,	NONE,	NONE),
127 	MFP_FALCON(GPIO37,	SPI,	GPIO,	NONE,	NONE),
128 	MFP_FALCON(GPIO38,	SPI,	GPIO,	NONE,	NONE),
129 	MFP_FALCON(GPIO39,	I2C,	GPIO,	NONE,	NONE),
130 	MFP_FALCON(GPIO40,	I2C,	GPIO,	NONE,	NONE),
131 	MFP_FALCON(GPIO41,	HOSTIF,	GPIO,	HOSTIF,	JTAG),
132 	MFP_FALCON(GPIO42,	HOSTIF,	GPIO,	HOSTIF,	NONE),
133 	MFP_FALCON(GPIO43,	SLIC,	GPIO,	NONE,	NONE),
134 	MFP_FALCON(GPIO44,	SLIC,	GPIO,	PCM,	ASC),
135 	MFP_FALCON(GPIO45,	SLIC,	GPIO,	PCM,	ASC),
136 	MFP_FALCON(GPIO64,	MII,	GPIO,	NONE,	NONE),
137 	MFP_FALCON(GPIO65,	MII,	GPIO,	NONE,	NONE),
138 	MFP_FALCON(GPIO66,	MII,	GPIO,	NONE,	NONE),
139 	MFP_FALCON(GPIO67,	MII,	GPIO,	NONE,	NONE),
140 	MFP_FALCON(GPIO68,	MII,	GPIO,	NONE,	NONE),
141 	MFP_FALCON(GPIO69,	MII,	GPIO,	NONE,	NONE),
142 	MFP_FALCON(GPIO70,	MII,	GPIO,	NONE,	NONE),
143 	MFP_FALCON(GPIO71,	MII,	GPIO,	NONE,	NONE),
144 	MFP_FALCON(GPIO72,	MII,	GPIO,	NONE,	NONE),
145 	MFP_FALCON(GPIO73,	MII,	GPIO,	NONE,	NONE),
146 	MFP_FALCON(GPIO74,	MII,	GPIO,	NONE,	NONE),
147 	MFP_FALCON(GPIO75,	MII,	GPIO,	NONE,	NONE),
148 	MFP_FALCON(GPIO76,	MII,	GPIO,	NONE,	NONE),
149 	MFP_FALCON(GPIO77,	MII,	GPIO,	NONE,	NONE),
150 	MFP_FALCON(GPIO78,	MII,	GPIO,	NONE,	NONE),
151 	MFP_FALCON(GPIO79,	MII,	GPIO,	NONE,	NONE),
152 	MFP_FALCON(GPIO80,	MII,	GPIO,	NONE,	NONE),
153 	MFP_FALCON(GPIO81,	MII,	GPIO,	NONE,	NONE),
154 	MFP_FALCON(GPIO82,	MII,	GPIO,	NONE,	NONE),
155 	MFP_FALCON(GPIO83,	MII,	GPIO,	NONE,	NONE),
156 	MFP_FALCON(GPIO84,	MII,	GPIO,	NONE,	NONE),
157 	MFP_FALCON(GPIO85,	MII,	GPIO,	NONE,	NONE),
158 	MFP_FALCON(GPIO86,	MII,	GPIO,	NONE,	NONE),
159 	MFP_FALCON(GPIO87,	MII,	GPIO,	NONE,	NONE),
160 	MFP_FALCON(GPIO88,	PHY,	GPIO,	NONE,	NONE),
185 	GRP_MUX("pps", PPS, pins_pps),
201 static const char * const ltq_ntr_grps[] = {"ntr", "ntr8k", "pps"};
227 /* ---------  pinconf related code --------- */
231 	return -ENOTSUPP;  in falcon_pinconf_group_get()
238 	return -ENOTSUPP;  in falcon_pinconf_group_set()
246 	void __iomem *mem = info->membase[PORT(pin)];  in falcon_pinconf_get()
270 		return -ENOTSUPP;  in falcon_pinconf_get()
283 	void __iomem *mem = info->membase[PORT(pin)];  in falcon_pinconf_set()
310 			return -ENOTSUPP;  in falcon_pinconf_set()
315 			return -ENOTSUPP;  in falcon_pinconf_set()
330 	seq_printf(s, " (port %d) mux %d -- ", port,  in falcon_pinconf_dbg_show()
331 		pad_r32(info->membase[port], LTQ_PADC_MUX(PORT_PIN(offset))));  in falcon_pinconf_dbg_show()
340 		seq_printf(s, "drive-current %d ",  in falcon_pinconf_dbg_show()
345 		seq_printf(s, "slew-rate %d ",  in falcon_pinconf_dbg_show()
350 		if (desc->gpio_owner)  in falcon_pinconf_dbg_show()
351 			seq_printf(s, " owner: %s", desc->gpio_owner);  in falcon_pinconf_dbg_show()
381 	int port = PORT(info->mfp[mfp].pin);  in falcon_mux_apply()
383 	if ((port >= PORTS) || (!info->membase[port]))  in falcon_mux_apply()
384 		return -ENODEV;  in falcon_mux_apply()
386 	pad_w32(info->membase[port], mux,  in falcon_mux_apply()
387 		LTQ_PADC_MUX(PORT_PIN(info->mfp[mfp].pin)));  in falcon_mux_apply()
393 	{"lantiq,drive-current",	LTQ_PINCONF_PARAM_DRIVE_CURRENT},
394 	{"lantiq,slew-rate",		LTQ_PINCONF_PARAM_SLEW_RATE},
407 /* --------- register the pinctrl layer --------- */
414 		return -EINVAL;  in pinctrl_falcon_get_range_size()
433 	for_each_compatible_node(np, NULL, "lantiq,pad-falcon") {  in pinctrl_falcon_probe()
450 			dev_err(&pdev->dev, "failed to find pad pdev\n");  in pinctrl_falcon_probe()
454 		falcon_info.clk[*bank] = clk_get(&ppdev->dev, NULL);  in pinctrl_falcon_probe()
455 		put_device(&ppdev->dev);  in pinctrl_falcon_probe()
457 			dev_err(&ppdev->dev, "failed to get clock\n");  in pinctrl_falcon_probe()
461 		falcon_info.membase[*bank] = devm_ioremap_resource(&pdev->dev,  in pinctrl_falcon_probe()
474 		dev_dbg(&pdev->dev, "found %s with %d pads\n",  in pinctrl_falcon_probe()
477 	dev_dbg(&pdev->dev, "found a total of %d pads\n", pad_count);  in pinctrl_falcon_probe()
478 	falcon_pctrl_desc.name	= dev_name(&pdev->dev);  in pinctrl_falcon_probe()
490 		dev_info(&pdev->dev, "Init done\n");  in pinctrl_falcon_probe()
495 	{ .compatible = "lantiq,pinctrl-falcon" },
503 		.name = "pinctrl-falcon",