1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
63 /* Documentation/devicetree/bindings/clock/ti-clkctrl.txt */
73 	{ "ti,clkctrl-l4-wkup",		TI_CLKCTRL_L4_WKUP },
74 	{ "ti,clkctrl-l4-secure",	TI_CLKCTRL_L4_SECURE },
75 	{ "ti,clkctrl-l4-per",		TI_CLKCTRL_L4_PER },
76 	{ "ti,clkctrl-l4-cfg",		TI_CLKCTRL_L4_CFG },
102 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)  in ti_clkctrl_probe()
114 	phandle_t node;  in ti_clkctrl_attach()  local
124 	sc->dev = dev;  in ti_clkctrl_attach()
125 	node = ofw_bus_get_node(dev);  in ti_clkctrl_attach()
128 	err = OF_searchencprop(node, "#clock-cells",  in ti_clkctrl_attach()
130 	if (err == -1) {  in ti_clkctrl_attach()
131 		device_printf(sc->dev, "Failed to get #clock-cells\n");  in ti_clkctrl_attach()
136 		device_printf(sc->dev, "clock cells(%d) != 2\n",  in ti_clkctrl_attach()
142 	numbytes_reg = OF_getproplen(node, "reg");  in ti_clkctrl_attach()
144 		device_printf(sc->dev, "reg property empty - check your devicetree\n");  in ti_clkctrl_attach()
150 	OF_getencprop(node, "reg", reg, numbytes_reg);  in ti_clkctrl_attach()
153 	sc->clkdom = clkdom_create(sc->dev);  in ti_clkctrl_attach()
154 	if (sc->clkdom == NULL) {  in ti_clkctrl_attach()
156 		DPRINTF(sc->dev, "Failed to create clkdom\n");  in ti_clkctrl_attach()
159 	clkdom_set_ofw_mapper(sc->clkdom, clkctrl_ofw_map);  in ti_clkctrl_attach()
163 	clk_parse_ofw_clk_name(sc->dev, node, &org_name);  in ti_clkctrl_attach()
177 	/* Checkout TRM 8.1.12.1.29 - 8.1.12.31 and 8.1.12.2.3  in ti_clkctrl_attach()
178 	 * and the DTS.  in ti_clkctrl_attach()
181 		if (strcmp(org_name, "l4ls-clkctrl@38") == 0)  in ti_clkctrl_attach()
183 		else if (strcmp(org_name, "l4-wkup-clkctrl@0") == 0)  in ti_clkctrl_attach()
204 				reg_address = reg[index] + reg_offset-reg[0];  in ti_clkctrl_attach()
216 				reg_address = reg[index] + reg_offset - reg[0];  in ti_clkctrl_attach()
229 	err = clkdom_finit(sc->clkdom);  in ti_clkctrl_attach()
231 		DPRINTF(sc->dev, "Clk domain finit fails %x.\n", err);  in ti_clkctrl_attach()
291 	 * Check out XX_CLKCTRL-INDEX(offset)-macro dance in  in create_clkctrl()
292 	 * sys/gnu/dts/dts/include/dt-bindings/clock/am3.h  in create_clkctrl()
293 	 * sys/gnu/dts/dts/include/dt-bindings/clock/am4.h  in create_clkctrl()
294 	 * sys/gnu/dts/dts/include/dt-bindings/clock/dra7.h  in create_clkctrl()
295 	 * reg[0] are in practice the same as the offset described in the dts.  in create_clkctrl()
298 	def.clkdef.id = reg[index] + reg_offset - reg[0] + special_gdbclk_reg;  in create_clkctrl()
309 	DPRINTF(sc->dev, "ti_clkctrl_attach: reg[%d]: %s %x\n",  in create_clkctrl()
319 	err = ti_clknode_clkctrl_register(sc->clkdom, &def);  in create_clkctrl()
321 		DPRINTF(sc->dev,  in create_clkctrl()