The NAND IP needs 3 clocks(nand_x_clk, nand_clk, and nand_ecc_clk). The
nand_x_clk and nand_ecc_clk are derived from the nand_clk. The nand_x_clk
has a fixed divider of 4.
Also, update the NAND dts property with the correct clocks property.
Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxx>
---
v2: add nand_ecc_clk and update commit message
---
arch/arm/boot/dts/socfpga.dtsi | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index b38f8c2..daf249e 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -483,10 +483,17 @@
clk-gate = <0xa0 9>;
};
+ nand_ecc_clk: nand_ecc_clk {
+ #clock-cells = <0>;
+ compatible = "altr,socfpga-gate-clk";
+ clocks = <&nand_x_clk>;
+ clk-gate = <0xa0 9>;
+ };
+
nand_clk: nand_clk {
#clock-cells = <0>;
compatible = "altr,socfpga-gate-clk";
- clocks = <&f2s_periph_ref_clk>, <&main_nand_sdmmc_clk>, <&per_nand_mmc_clk>;
+ clocks = <&nand_x_clk>;
clk-gate = <0xa0 10>;
fixed-divider = <4>;
};
@@ -754,7 +761,8 @@
reg-names = "nand_data", "denali_reg";
interrupts = <0x0 0x90 0x4>;
dma-mask = <0xffffffff>;
- clocks = <&nand_x_clk>;
+ clocks = <&nand_clk>, <&nand_x_clk>, <&nand_ecc_clk>;
+ clock-names = "nand", "nand_x", "ecc";
status = "disabled";
};
--
2.7.4
--
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