clk: sunxi: Add sun9i A80 apbs gates support

This patch adds support for the PRCM apbs clock gates found on the
Allwinner A80 SoC.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

Documentation/devicetree/bindings/clock/sunxi.txt

@@ -55,6 +55,7 @@ Required properties:
 	"allwinner,sun9i-a80-apb1-gates-clk" - for the APB1 gates on A80
 	"allwinner,sun6i-a31-apb2-gates-clk" - for the APB2 gates on A31
 	"allwinner,sun8i-a23-apb2-gates-clk" - for the APB2 gates on A23
+	"allwinner,sun9i-a80-apbs-gates-clk" - for the APBS gates on A80
 	"allwinner,sun5i-a13-mbus-clk" - for the MBUS clock on A13
 	"allwinner,sun4i-a10-mmc-clk" - for the MMC clock
 	"allwinner,sun9i-a80-mmc-clk" - for mmc module clocks on A80

drivers/clk/sunxi/clk-simple-gates.c

@@ -140,6 +140,8 @@ CLK_OF_DECLARE(sun9i_a80_apb0, "allwinner,sun9i-a80-apb0-gates-clk",
 	       sunxi_simple_gates_init);
 CLK_OF_DECLARE(sun9i_a80_apb1, "allwinner,sun9i-a80-apb1-gates-clk",
 	       sunxi_simple_gates_init);
+CLK_OF_DECLARE(sun9i_a80_apbs, "allwinner,sun9i-a80-apbs-gates-clk",
+	       sunxi_simple_gates_init);
 
 static const int sun4i_a10_ahb_critical_clocks[] __initconst = {
 	14,	/* ahb_sdram */