1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
42 #include <dev/clk/clk_fixed.h>
43 #include <dev/clk/clk_gate.h>
44 #include <dev/syscon/syscon.h>
46 #include <dev/ofw/ofw_bus.h>
47 #include <dev/ofw/ofw_bus_subr.h>
60 static const char *clk_parents_0[] = {"cp110-pll0-0"};
61 static const char *clk_parents_1[] = {"cp110-pll0-1"};
77 static const char *core_parents_0[] = {"cp110-x2core-0"};
78 static const char *core_parents_1[] = {"cp110-x2core-1"};
97 	CCU_GATE(CP110_GATE_AUDIO, "cp110-gate-audio", 0)
98 	CCU_GATE(CP110_GATE_COMM_UNIT, "cp110-gate-comm_unit", 1)
99 	/* CCU_GATE(CP110_GATE_NAND, "cp110-gate-nand", 2) */
100 	CCU_GATE(CP110_GATE_PPV2, "cp110-gate-ppv2", 3)
101 	CCU_GATE(CP110_GATE_SDIO, "cp110-gate-sdio", 4)
102 	CCU_GATE(CP110_GATE_MG, "cp110-gate-mg", 5)
103 	CCU_GATE(CP110_GATE_MG_CORE, "cp110-gate-mg_core", 6)
104 	CCU_GATE(CP110_GATE_XOR1, "cp110-gate-xor1", 7)
105 	CCU_GATE(CP110_GATE_XOR0, "cp110-gate-xor0", 8)
106 	CCU_GATE(CP110_GATE_GOP_DP, "cp110-gate-gop_dp", 9)
107 	CCU_GATE(CP110_GATE_PCIE_X1_0, "cp110-gate-pcie_x10", 11)
108 	CCU_GATE(CP110_GATE_PCIE_X1_1, "cp110-gate-pcie_x11", 12)
109 	CCU_GATE(CP110_GATE_PCIE_X4, "cp110-gate-pcie_x4", 13)
110 	CCU_GATE(CP110_GATE_PCIE_XOR, "cp110-gate-pcie_xor", 14)
111 	CCU_GATE(CP110_GATE_SATA, "cp110-gate-sata", 15)
112 	CCU_GATE(CP110_GATE_SATA_USB, "cp110-gate-sata_usb", 16)
113 	CCU_GATE(CP110_GATE_MAIN, "cp110-gate-main", 17)
114 	CCU_GATE(CP110_GATE_SDMMC_GOP, "cp110-gate-sdmmc_gop", 18)
115 	CCU_GATE(CP110_GATE_SLOW_IO, "cp110-gate-slow_io", 21)
116 	CCU_GATE(CP110_GATE_USB3H0, "cp110-gate-usb3h0", 22)
117 	CCU_GATE(CP110_GATE_USB3H1, "cp110-gate-usb3h1", 23)
118 	CCU_GATE(CP110_GATE_USB3DEV, "cp110-gate-usb3dev", 24)
119 	CCU_GATE(CP110_GATE_EIP150, "cp110-gate-eip150", 25)
120 	CCU_GATE(CP110_GATE_EIP197, "cp110-gate-eip197", 26)
124 	device_t		dev;  member
125 	struct syscon		*syscon;  member
130 	{"marvell,cp110-clock", 1},
134 #define	RD4(sc, reg)		SYSCON_READ_4((sc)->syscon, (reg))
135 #define	WR4(sc, reg, val)	SYSCON_WRITE_4((sc)->syscon, (reg), (val))
138 mv_cp110_clock_name(device_t dev, const char *name)  in mv_cp110_clock_name()  argument
143 	unit = device_get_unit(dev);  in mv_cp110_clock_name()
144 	if (asprintf(&clkname, M_DEVBUF, "%s-%d", name, unit) <= 0)  in mv_cp110_clock_name()
150 mv_cp110_clock_probe(device_t dev)  in mv_cp110_clock_probe()  argument
153 	if (!ofw_bus_status_okay(dev))  in mv_cp110_clock_probe()
156 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)  in mv_cp110_clock_probe()
159 	device_set_desc(dev, "Marvell CP110 Clock Controller");  in mv_cp110_clock_probe()
182 mv_cp110_clock_attach(device_t dev)  in mv_cp110_clock_attach()  argument
190 	sc = device_get_softc(dev);  in mv_cp110_clock_attach()
191 	sc->dev = dev;  in mv_cp110_clock_attach()
193 	if (SYSCON_GET_HANDLE(sc->dev, &sc->syscon) != 0 ||  in mv_cp110_clock_attach()
194 	    sc->syscon == NULL) {  in mv_cp110_clock_attach()
195 		device_printf(dev, "cannot get syscon for device\n");  in mv_cp110_clock_attach()
199 	unit = device_get_unit(dev);  in mv_cp110_clock_attach()
201 		device_printf(dev, "Bogus cp110-system-controller unit %d\n", unit);  in mv_cp110_clock_attach()
205 	mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);  in mv_cp110_clock_attach()
207 	clkdom = clkdom_create(dev);  in mv_cp110_clock_attach()
210 	pll0_name = mv_cp110_clock_name(dev, "cp110-pll0");  in mv_cp110_clock_attach()
214 	cp110_clk_ppv2_core.clkdef.name = mv_cp110_clock_name(dev, "cp110-ppv2");  in mv_cp110_clock_attach()
218 	cp110_clk_x2core.clkdef.name = mv_cp110_clock_name(dev, "cp110-x2core");  in mv_cp110_clock_attach()
222 	cp110_clk_core.clkdef.name = mv_cp110_clock_name(dev, "cp110-core");  in mv_cp110_clock_attach()
228 	cp110_clk_sdio.clkdef.name = mv_cp110_clock_name(dev, "cp110-sdio");  in mv_cp110_clock_attach()
238 		def.clkdef.name = mv_cp110_clock_name(dev, cp110_gates[i].name);  in mv_cp110_clock_attach()
279 mv_cp110_clock_detach(device_t dev)  in mv_cp110_clock_detach()  argument
286 mv_cp110_clock_write_4(device_t dev, bus_addr_t addr, uint32_t val)  in mv_cp110_clock_write_4()  argument
290 	sc = device_get_softc(dev);  in mv_cp110_clock_write_4()
296 mv_cp110_clock_read_4(device_t dev, bus_addr_t addr, uint32_t *val)  in mv_cp110_clock_read_4()  argument
300 	sc = device_get_softc(dev);  in mv_cp110_clock_read_4()
307 mv_cp110_clock_modify_4(device_t dev, bus_addr_t addr, uint32_t clr, uint32_t set)  in mv_cp110_clock_modify_4()  argument
312 	sc = device_get_softc(dev);  in mv_cp110_clock_modify_4()
323 mv_cp110_clock_device_lock(device_t dev)  in mv_cp110_clock_device_lock()  argument
327 	sc = device_get_softc(dev);  in mv_cp110_clock_device_lock()
328 	mtx_lock(&sc->mtx);  in mv_cp110_clock_device_lock()
332 mv_cp110_clock_device_unlock(device_t dev)  in mv_cp110_clock_device_unlock()  argument
336 	sc = device_get_softc(dev);  in mv_cp110_clock_device_unlock()
337 	mtx_unlock(&sc->mtx);  in mv_cp110_clock_device_unlock()