CLK: Pistachio: Register external clock gates

Register the clock gates for the external audio and ethernet
reference clocks provided by the top-level general control block.

Signed-off-by: Damien Horsley <[e-mail]>
Signed-off-by: Andrew Bresticker <[e-mail]>
Cc: Mike Turquette <[e-mail]>
Cc: Stephen Boyd <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: Ezequiel Garcia <[e-mail]>
Cc: James Hartley <[e-mail]>
Cc: James Hogan <[e-mail]>
Acked-by: Stephen Boyd <[e-mail]>
Patchwork: https://patchwork.linux-mips.org/patch/9321/
Signed-off-by: Ralf Baechle <[e-mail]>

drivers/clk/pistachio/clk-pistachio.c

···
 }
 CLK_OF_DECLARE(pistachio_cr_periph, "img,pistachio-cr-periph",
 	       pistachio_cr_periph_init);
+
+static struct pistachio_gate pistachio_ext_gates[] __initdata = {
+	GATE(EXT_CLK_ENET_IN, "enet_clk_in_gate", "enet_clk_in", 0x58, 5),
+	GATE(EXT_CLK_AUDIO_IN, "audio_clk_in_gate", "audio_clk_in", 0x58, 8)
+};
+
+static void __init pistachio_cr_top_init(struct device_node *np)
+{
+	struct pistachio_clk_provider *p;
+
+	p = pistachio_clk_alloc_provider(np, EXT_CLK_NR_CLKS);
+	if (!p)
+		return;
+
+	pistachio_clk_register_gate(p, pistachio_ext_gates,
+				    ARRAY_SIZE(pistachio_ext_gates));
+
+	pistachio_clk_register_provider(p);
+}
+CLK_OF_DECLARE(pistachio_cr_top, "img,pistachio-cr-top",
+	       pistachio_cr_top_init);