clk: jz4740: Add TCU clock

Add the missing TCU clock to the list of clocks supplied by the CGU for
the JZ4740 SoC.

Signed-off-by: Paul Cercueil <[e-mail]>
Tested-by: Mathieu Malaterre <[e-mail]>
Tested-by: Artur Rojek <[e-mail]>
Acked-by: Stephen Boyd <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
Signed-off-by: Paul Burton <[e-mail]>
Cc: Ralf Baechle <[e-mail]>
Cc: James Hogan <[e-mail]>
Cc: Jonathan Corbet <[e-mail]>
Cc: Lee Jones <[e-mail]>
Cc: Arnd Bergmann <[e-mail]>
Cc: Daniel Lezcano <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Michael Turquette <[e-mail]>
Cc: Jason Cooper <[e-mail]>
Cc: Marc Zyngier <[e-mail]>
Cc: Rob Herring <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]

drivers/clk/ingenic/jz4740-cgu.c

···
 		.parents = { JZ4740_CLK_EXT, -1, -1, -1 },
 		.gate = { CGU_REG_CLKGR, 5 },
 	},
+
+	[JZ4740_CLK_TCU] = {
+		"tcu", CGU_CLK_GATE,
+		.parents = { JZ4740_CLK_EXT, -1, -1, -1 },
+		.gate = { CGU_REG_CLKGR, 1 },
+	},
 };
 
 static void __init jz4740_cgu_init(struct device_node *np)

include/dt-bindings/clock/jz4740-cgu.h

···
 #define JZ4740_CLK_ADC		19
 #define JZ4740_CLK_I2C		20
 #define JZ4740_CLK_AIC		21
+#define JZ4740_CLK_TCU		22
 
 #endif /* __DT_BINDINGS_CLOCK_JZ4740_CGU_H__ */