[U-Boot] [PATCH] zynq: fix I2C in SPL

[Hannes Schmelzer]

The commit 'f48ef0d81aa837a33020f8d61abb3929ba613774' did break I2C
support because requesting the clock for the I2C ip-block isn't
supported during SPL.

To fixup this we add support requesting clocks for:
- i2c0
- i2c1

Signed-off-by: Hannes Schmelzer <hannes.schmelzer at br-automation.com>

---

 drivers/clk/clk_zynq.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/clk_zynq.c b/drivers/clk/clk_zynq.c
index 482f093..9a4e949 100644
--- a/drivers/clk/clk_zynq.c
+++ b/drivers/clk/clk_zynq.c
@@ -434,6 +434,9 @@ static ulong zynq_clk_get_rate(struct clk *clk)
 	case lqspi_clk ... pcap_clk:
 	case sdio0_clk ... spi1_clk:
 		return zynq_clk_get_peripheral_rate(priv, id, 0);
+	case i2c0_aper_clk ... i2c1_aper_clk:
+		return zynq_clk_get_cpu_rate(priv, cpu_1x_clk);
+
 	default:
 		return -ENXIO;
 	}
-- 
2.7.4