brain-hackers_pepepper-mirror
/
linux-brain
mirror of https://github.com/brain-hackers/linux-brain.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: socfpga: update NAND clocking for c5/a5 

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@kernel.org>
---
v2: add nand_ecc_clk and update commit message
This commit is contained in:
Dinh Nguyen 2018-07-09 17:16:00 -05:00
parent 12b2982a1f
commit 0ffc5df823
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
arch/arm/boot/dts/socfpga.dtsi
View File

@ -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";
};