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 <Damien.Horsley@imgtec.com>
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Cc: James Hartley <james.hartley@imgtec.com>
Cc: James Hogan <james.hogan@imgtec.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Patchwork: https://patchwork.linux-mips.org/patch/9321/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/clk/pistachio/clk-pistachio.c b/drivers/clk/pistachio/clk-pistachio.c
index 3351808ea42a..8c0fe8828f99 100644
--- a/drivers/clk/pistachio/clk-pistachio.c
+++ b/drivers/clk/pistachio/clk-pistachio.c
@@ -306,3 +306,24 @@ static void __init pistachio_cr_periph_init(struct device_node *np)
 }
 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);