The denali NAND flash controller needs at least two clocks to operate,
nand_clk and nand_x_clk.
Since 1bb88666775e ("mtd: nand: denali: handle timing parameters by
setup_data_interface()") nand_x_clk is used to derive timing settings.

Signed-off-by: Richard Weinberger <rich...@nod.at>
---
Strictly speaking denali needs a ecc_clk too, but AFAIK such a clock
is not present on this SoC.
But my SoCFPGA knowledge is very limited.

Thanks,
//richard
---
 arch/arm/boot/dts/socfpga.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 486d4e7433ed..562f7b375bbd 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -754,7 +754,8 @@
                        reg-names = "nand_data", "denali_reg";
                        interrupts = <0x0 0x90 0x4>;
                        dma-mask = <0xffffffff>;
-                       clocks = <&nand_clk>;
+                       clocks = <&nand_clk>, <&nand_x_clk>;
+                       clock-names = "nand", "nand_x";
                        status = "disabled";
                };
 
-- 
2.17.1

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