pmic: rockchip: Split the clocks part in its own file

No functional changes intended.

3 files changed, 153 insertions, 115 deletions

diff --git a/sys/dev/iicbus/pmic/rockchip/rk805.c b/sys/dev/iicbus/pmic/rockchip/rk805.c
index ba5da4e95279..3f842ac8d3e4 100644
--- a/sys/dev/iicbus/pmic/rockchip/rk805.c
+++ b/sys/dev/iicbus/pmic/rockchip/rk805.c
@@ -45,9 +45,6 @@ __FBSDID("$FreeBSD$");
 #include <dev/ofw/ofw_bus.h>
 #include <dev/ofw/ofw_bus_subr.h>
 
-#include <dev/extres/clk/clk.h>
-#include <dev/extres/regulator/regulator.h>
-
 #include <dev/iicbus/pmic/rockchip/rk805reg.h>
 #include <dev/iicbus/pmic/rockchip/rk808reg.h>
 #include <dev/iicbus/pmic/rockchip/rk8xx.h>
@@ -318,118 +315,6 @@ rk8xx_write(device_t dev, uint8_t reg, uint8_t *data, uint8_t size)
 	return (iicdev_writeto(dev, reg, data, size, IIC_INTRWAIT));
 }
 
-/* -------------------------------------------------------------------------- */
-
-/* Clock class and method */
-struct rk8xx_clk_sc {
-	device_t		base_dev;
-};
-
-#define	CLK32OUT_REG		0x20
-#define	CLK32OUT_CLKOUT2_EN	1
-
-static int
-rk8xx_clk_set_gate_1(struct clknode *clk, bool enable)
-{
-	struct rk8xx_clk_sc *sc;
-	uint8_t val;
-
-	sc = clknode_get_softc(clk);
-
-	rk8xx_read(sc->base_dev, CLK32OUT_REG, &val, sizeof(val));
-	if (enable)
-		val |= CLK32OUT_CLKOUT2_EN;
-	else
-		val &= ~CLK32OUT_CLKOUT2_EN;
-	rk8xx_write(sc->base_dev, CLK32OUT_REG, &val, 1);
-
-	return (0);
-}
-
-static int
-rk8xx_clk_recalc(struct clknode *clk, uint64_t *freq)
-{
-
-	*freq = 32768;
-	return (0);
-}
-
-static clknode_method_t rk8xx_clk_clknode_methods_0[] = {
-	CLKNODEMETHOD(clknode_recalc_freq,	rk8xx_clk_recalc),
-	CLKNODEMETHOD_END
-};
-
-DEFINE_CLASS_1(rk8xx_clk_clknode_0, rk8xx_clk_clknode_class_0,
-    rk8xx_clk_clknode_methods_0, sizeof(struct rk8xx_clk_sc),
-    clknode_class);
-
-static clknode_method_t rk8xx_clk_clknode_methods_1[] = {
-	CLKNODEMETHOD(clknode_set_gate,		rk8xx_clk_set_gate_1),
-	CLKNODEMETHOD_END
-};
-
-DEFINE_CLASS_1(rk8xx_clk_clknode_1, rk8xx_clk_clknode_class_1,
-    rk8xx_clk_clknode_methods_1, sizeof(struct rk8xx_clk_sc),
-    rk8xx_clk_clknode_class_0);
-
-static int
-rk8xx_export_clocks(device_t dev)
-{
-	struct clkdom *clkdom;
-	struct clknode_init_def clkidef;
-	struct clknode *clk;
-	struct rk8xx_clk_sc *clksc;
-	const char **clknames;
-	phandle_t node;
-	int nclks, rv;
-
-	node = ofw_bus_get_node(dev);
-
-	/* clock-output-names are optional. Could use them for clkidef.name. */
-	nclks = ofw_bus_string_list_to_array(node, "clock-output-names",
-	    &clknames);
-
-	clkdom = clkdom_create(dev);
-
-	memset(&clkidef, 0, sizeof(clkidef));
-	clkidef.id = 0;
-	clkidef.name = (nclks = 2) ? clknames[0] : "clk32kout1";
-	clk = clknode_create(clkdom, &rk8xx_clk_clknode_class_0, &clkidef);
-	if (clk == NULL) {
-		device_printf(dev, "Cannot create '%s'.\n", clkidef.name);
-		return (ENXIO);
-	}
-	clksc = clknode_get_softc(clk);
-	clksc->base_dev = dev;
-	clknode_register(clkdom, clk);
-
-	memset(&clkidef, 0, sizeof(clkidef));
-	clkidef.id = 1;
-	clkidef.name = (nclks = 2) ? clknames[1] : "clk32kout2";
-	clk = clknode_create(clkdom, &rk8xx_clk_clknode_class_1, &clkidef);
-	if (clk == NULL) {
-		device_printf(dev, "Cannot create '%s'.\n", clkidef.name);
-		return (ENXIO);
-	}
-	clksc = clknode_get_softc(clk);
-	clksc->base_dev = dev;
-	clknode_register(clkdom, clk);
-
-	rv = clkdom_finit(clkdom);
-	if (rv != 0) {
-		device_printf(dev, "Cannot finalize clkdom initialization: "
-		    "%d\n", rv);
-		return (ENXIO);
-	}
-
-	if (bootverbose)
-		clkdom_dump(clkdom);
-
-	return (0);
-}
-
-/* -------------------------------------------------------------------------- */
-
 static int
 rk8xx_probe(device_t dev)
 {
diff --git a/sys/dev/iicbus/pmic/rockchip/rk8xx.h b/sys/dev/iicbus/pmic/rockchip/rk8xx.h
index 8dc186beb5da..83e39b06b075 100644
--- a/sys/dev/iicbus/pmic/rockchip/rk8xx.h
+++ b/sys/dev/iicbus/pmic/rockchip/rk8xx.h
@@ -102,6 +102,9 @@ struct rk8xx_softc {
 int rk8xx_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size);
 int rk8xx_write(device_t dev, uint8_t reg, uint8_t *data, uint8_t size);
 
+/* rk8xx_clocks.c */
+int rk8xx_export_clocks(device_t dev);
+
 /* rk8xx_regulators.c */
 struct rk8xx_reg_sc *rk8xx_reg_attach(device_t dev, phandle_t node,
     struct rk8xx_regdef *def);
diff --git a/sys/dev/iicbus/pmic/rockchip/rk8xx_clocks.c b/sys/dev/iicbus/pmic/rockchip/rk8xx_clocks.c
new file mode 100644
index 000000000000..7f28e18a5d7d
--- /dev/null
+++ b/sys/dev/iicbus/pmic/rockchip/rk8xx_clocks.c
@@ -0,0 +1,150 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2018-2021 Emmanuel Vadot <manu@FreeBSD.org>
+ * Copyright (c) 2021 Bjoern A. Zeeb <bz@FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/systm.h>
+#include <sys/clock.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/extres/clk/clk.h>
+
+#include <dev/iicbus/pmic/rockchip/rk8xx.h>
+
+/* Clock class and method */
+struct rk8xx_clk_sc {
+	device_t		base_dev;
+};
+
+#define	CLK32OUT_REG		0x20
+#define	CLK32OUT_CLKOUT2_EN	1
+
+static int
+rk8xx_clk_set_gate_1(struct clknode *clk, bool enable)
+{
+	struct rk8xx_clk_sc *sc;
+	uint8_t val;
+
+	sc = clknode_get_softc(clk);
+
+	rk8xx_read(sc->base_dev, CLK32OUT_REG, &val, sizeof(val));
+	if (enable)
+		val |= CLK32OUT_CLKOUT2_EN;
+	else
+		val &= ~CLK32OUT_CLKOUT2_EN;
+	rk8xx_write(sc->base_dev, CLK32OUT_REG, &val, 1);
+
+	return (0);
+}
+
+static int
+rk8xx_clk_recalc(struct clknode *clk, uint64_t *freq)
+{
+
+	*freq = 32768;
+	return (0);
+}
+
+static clknode_method_t rk8xx_clk_clknode_methods_0[] = {
+	CLKNODEMETHOD(clknode_recalc_freq,	rk8xx_clk_recalc),
+	CLKNODEMETHOD_END
+};
+
+DEFINE_CLASS_1(rk8xx_clk_clknode_0, rk8xx_clk_clknode_class_0,
+    rk8xx_clk_clknode_methods_0, sizeof(struct rk8xx_clk_sc),
+    clknode_class);
+
+static clknode_method_t rk8xx_clk_clknode_methods_1[] = {
+	CLKNODEMETHOD(clknode_set_gate,		rk8xx_clk_set_gate_1),
+	CLKNODEMETHOD_END
+};
+
+DEFINE_CLASS_1(rk8xx_clk_clknode_1, rk8xx_clk_clknode_class_1,
+    rk8xx_clk_clknode_methods_1, sizeof(struct rk8xx_clk_sc),
+    rk8xx_clk_clknode_class_0);
+
+int
+rk8xx_export_clocks(device_t dev)
+{
+	struct clkdom *clkdom;
+	struct clknode_init_def clkidef;
+	struct clknode *clk;
+	struct rk8xx_clk_sc *clksc;
+	const char **clknames;
+	phandle_t node;
+	int nclks, rv;
+
+	node = ofw_bus_get_node(dev);
+
+	/* clock-output-names are optional. Could use them for clkidef.name. */
+	nclks = ofw_bus_string_list_to_array(node, "clock-output-names",
+	    &clknames);
+
+	clkdom = clkdom_create(dev);
+
+	memset(&clkidef, 0, sizeof(clkidef));
+	clkidef.id = 0;
+	clkidef.name = (nclks = 2) ? clknames[0] : "clk32kout1";
+	clk = clknode_create(clkdom, &rk8xx_clk_clknode_class_0, &clkidef);
+	if (clk == NULL) {
+		device_printf(dev, "Cannot create '%s'.\n", clkidef.name);
+		return (ENXIO);
+	}
+	clksc = clknode_get_softc(clk);
+	clksc->base_dev = dev;
+	clknode_register(clkdom, clk);
+
+	memset(&clkidef, 0, sizeof(clkidef));
+	clkidef.id = 1;
+	clkidef.name = (nclks = 2) ? clknames[1] : "clk32kout2";
+	clk = clknode_create(clkdom, &rk8xx_clk_clknode_class_1, &clkidef);
+	if (clk == NULL) {
+		device_printf(dev, "Cannot create '%s'.\n", clkidef.name);
+		return (ENXIO);
+	}
+	clksc = clknode_get_softc(clk);
+	clksc->base_dev = dev;
+	clknode_register(clkdom, clk);
+
+	rv = clkdom_finit(clkdom);
+	if (rv != 0) {
+		device_printf(dev, "Cannot finalize clkdom initialization: "
+		    "%d\n", rv);
+		return (ENXIO);
+	}
+
+	if (bootverbose)
+		clkdom_dump(clkdom);
+
+	return (0);
+}