sunxi: introduce support for H616 clocks

H616 has mostly the same clocks as H6 with some small differences. Just
reuse H6 clocks for H616 and handle differences with macros.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/arch/arm/mach-sunxi/clock_sun50i_h6.c b/arch/arm/mach-sunxi/clock_sun50i_h6.c
index 6bd4669..06d84eb 100644
--- a/arch/arm/mach-sunxi/clock_sun50i_h6.c
+++ b/arch/arm/mach-sunxi/clock_sun50i_h6.c
@@ -68,6 +68,9 @@
 
 	/* clk = 24*n/p, p is ignored if clock is >288MHz */
 	writel(CCM_PLL1_CTRL_EN | CCM_PLL1_LOCK_EN | CCM_PLL1_CLOCK_TIME_2 |
+#ifdef CONFIG_MACH_SUN50I_H616
+	       CCM_PLL1_OUT_EN |
+#endif
 	       CCM_PLL1_CTRL_N(clk / 24000000), &ccm->pll1_cfg);
 	while (!(readl(&ccm->pll1_cfg) & CCM_PLL1_LOCK)) {}
 
@@ -83,6 +86,7 @@
 {
 	struct sunxi_ccm_reg *const ccm =
 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+	int m = IS_ENABLED(CONFIG_MACH_SUN50I_H6) ? 4 : 2;
 
 	uint32_t rval = readl(&ccm->pll6_cfg);
 	int n = ((rval & CCM_PLL6_CTRL_N_MASK) >> CCM_PLL6_CTRL_N_SHIFT);
@@ -90,8 +94,8 @@
 			CCM_PLL6_CTRL_DIV1_SHIFT) + 1;
 	int div2 = ((rval & CCM_PLL6_CTRL_DIV2_MASK) >>
 			CCM_PLL6_CTRL_DIV2_SHIFT) + 1;
-	/* The register defines PLL6-4X, not plain PLL6 */
-	return 24000000 / 4 * n / div1 / div2;
+	/* The register defines PLL6-2X or PLL6-4X, not plain PLL6 */
+	return 24000000 / m * n / div1 / div2;
 }
 
 int clock_twi_onoff(int port, int state)