clk: sunxi-ng: h616: Add clock/reset for LCD TCON

Add the required clock and reset which is used for the LCD TCON. Please
note that these clocks are exposed on the T507, H616, and H700; however
the H616 does not expose an LCD controller for which these clocks are
needed.

Signed-off-by: Chris Morgan <[email protected]>
Reviewed-by: Andre Przywara <[email protected]>
Reviewed-by: Jernej Skrabec <[email protected]>
Tested-by: Ryan Walklin <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Chen-Yu Tsai <[email protected]>

Author: macromorgan

drivers/clk/sunxi-ng/ccu-sun50i-h616.c

@@ -645,6 +645,20 @@ static const char * const tcon_tv_parents[] = { "pll-video0",
 						"pll-video0-4x",
 						"pll-video1",
 						"pll-video1-4x" };
+static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0",
+			       tcon_tv_parents, 0xb60,
+			       24, 3,	/* mux */
+			       BIT(31),	/* gate */
+			       CLK_SET_RATE_PARENT);
+static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd1_clk, "tcon-lcd1",
+			       tcon_tv_parents, 0xb64,
+			       24, 3,	/* mux */
+			       BIT(31),	/* gate */
+			       CLK_SET_RATE_PARENT);
+static SUNXI_CCU_GATE(bus_tcon_lcd0_clk, "bus-tcon-lcd0", "ahb3",
+		      0xb7c, BIT(0), 0);
+static SUNXI_CCU_GATE(bus_tcon_lcd1_clk, "bus-tcon-lcd1", "ahb3",
+		      0xb7c, BIT(1), 0);
 static SUNXI_CCU_MP_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0",
 				  tcon_tv_parents, 0xb80,
 				  0, 4,		/* M */
@@ -855,8 +869,12 @@ static struct ccu_common *sun50i_h616_ccu_clks[] = {
 	&hdmi_cec_clk.common,
 	&bus_hdmi_clk.common,
 	&bus_tcon_top_clk.common,
+	&tcon_lcd0_clk.common,
+	&tcon_lcd1_clk.common,
 	&tcon_tv0_clk.common,
 	&tcon_tv1_clk.common,
+	&bus_tcon_lcd0_clk.common,
+	&bus_tcon_lcd1_clk.common,
 	&bus_tcon_tv0_clk.common,
 	&bus_tcon_tv1_clk.common,
 	&tve0_clk.common,
@@ -989,8 +1007,12 @@ static struct clk_hw_onecell_data sun50i_h616_hw_clks = {
 		[CLK_HDMI_CEC]		= &hdmi_cec_clk.common.hw,
 		[CLK_BUS_HDMI]		= &bus_hdmi_clk.common.hw,
 		[CLK_BUS_TCON_TOP]	= &bus_tcon_top_clk.common.hw,
+		[CLK_TCON_LCD0]		= &tcon_lcd0_clk.common.hw,
+		[CLK_TCON_LCD1]		= &tcon_lcd1_clk.common.hw,
 		[CLK_TCON_TV0]		= &tcon_tv0_clk.common.hw,
 		[CLK_TCON_TV1]		= &tcon_tv1_clk.common.hw,
+		[CLK_BUS_TCON_LCD0]	= &bus_tcon_lcd0_clk.common.hw,
+		[CLK_BUS_TCON_LCD1]	= &bus_tcon_lcd1_clk.common.hw,
 		[CLK_BUS_TCON_TV0]	= &bus_tcon_tv0_clk.common.hw,
 		[CLK_BUS_TCON_TV1]	= &bus_tcon_tv1_clk.common.hw,
 		[CLK_TVE0]		= &tve0_clk.common.hw,
@@ -1062,6 +1084,8 @@ static const struct ccu_reset_map sun50i_h616_ccu_resets[] = {
 	[RST_BUS_HDMI]		= { 0xb1c, BIT(16) },
 	[RST_BUS_HDMI_SUB]	= { 0xb1c, BIT(17) },
 	[RST_BUS_TCON_TOP]	= { 0xb5c, BIT(16) },
+	[RST_BUS_TCON_LCD0]	= { 0xb7c, BIT(16) },
+	[RST_BUS_TCON_LCD1]	= { 0xb7c, BIT(17) },
 	[RST_BUS_TCON_TV0]	= { 0xb9c, BIT(16) },
 	[RST_BUS_TCON_TV1]	= { 0xb9c, BIT(17) },
 	[RST_BUS_TVE_TOP]	= { 0xbbc, BIT(16) },

drivers/clk/sunxi-ng/ccu-sun50i-h616.h

@@ -51,6 +51,6 @@
 
 #define CLK_BUS_DRAM		56
 
-#define CLK_NUMBER		(CLK_BUS_GPADC + 1)
+#define CLK_NUMBER		(CLK_BUS_TCON_LCD1 + 1)
 
 #endif /* _CCU_SUN50I_H616_H_ */