clk: meson: g12a: add peripheral clock controller

Add the peripheral clock controller found in the g12a SoC family

Signed-off-by: Jian Hu <jian.hu@amlogic.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lkml.kernel.org/r/20190201145345.6795-4-jbrunet@baylibre.com

Author: Jian Hu

drivers/clk/meson/Kconfig

@@ -88,3 +88,15 @@ config COMMON_CLK_AXG_AUDIO
 	help
 	  Support for the audio clock controller on AmLogic A113D devices,
 	  aka axg, Say Y if you want audio subsystem to work.
+
+config COMMON_CLK_G12A
+	bool
+	depends on ARCH_MESON
+	select COMMON_CLK_MESON_INPUT
+	select COMMON_CLK_MESON_REGMAP
+	select COMMON_CLK_MESON_MPLL
+	select COMMON_CLK_MESON_PLL
+	select MFD_SYSCON
+	help
+	  Support for the clock controller on Amlogic S905D2, S905X2 and S905Y2
+	  devices, aka g12a. Say Y if you want peripherals to work.

drivers/clk/meson/Makefile

@@ -15,4 +15,5 @@ obj-$(CONFIG_COMMON_CLK_MESON_VID_PLL_DIV) += vid-pll-div.o
 obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o
 obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
 obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
+obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o
 obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o

drivers/clk/meson/clk-regmap.h

@@ -111,19 +111,24 @@ clk_get_regmap_mux_data(struct clk_regmap *clk)
 extern const struct clk_ops clk_regmap_mux_ops;
 extern const struct clk_ops clk_regmap_mux_ro_ops;
 
-#define MESON_GATE(_name, _reg, _bit)					\
+#define __MESON_GATE(_name, _reg, _bit, _ops)				\
 struct clk_regmap _name = {						\
 	.data = &(struct clk_regmap_gate_data){				\
 		.offset = (_reg),					\
 		.bit_idx = (_bit),					\
 	},								\
 	.hw.init = &(struct clk_init_data) {				\
 		.name = #_name,						\
-		.ops = &clk_regmap_gate_ops,				\
+		.ops = _ops,						\
 		.parent_names = (const char *[]){ "clk81" },		\
 		.num_parents = 1,					\
 		.flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED),	\
 	},								\
 }
 
+#define MESON_GATE(_name, _reg, _bit)	\
+	__MESON_GATE(_name, _reg, _bit, &clk_regmap_gate_ops)
+
+#define MESON_GATE_RO(_name, _reg, _bit)	\
+	__MESON_GATE(_name, _reg, _bit, &clk_regmap_gate_ro_ops)
 #endif /* __CLK_REGMAP_H */