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riscv: sifive_u: Reference PRCI clocks in UART and ethernet nodes

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Now that we have added a PRCI node, update existing UART and ethernet
nodes to reference PRCI as their clock sources, to keep in sync with
the Linux kernel device tree.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Bin Meng 2019-09-06 09:20:11 -07:00 • committed by Palmer Dabbelt
parent af14c84041
commit 806c64b7b0
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GPG key ID: EF4CA1502CCBAB41
2 changed files with 14 additions and 3 deletions
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10
include/hw/riscv/sifive_u_prci.h
View file

@ -78,4 +78,14 @@ typedef struct SiFiveUPRCIState {
uint32_t clkmuxstatus;
} SiFiveUPRCIState;
/*
* Clock indexes for use by Device Tree data and the PRCI driver.
*
* These values are from sifive-fu540-prci.h in the Linux kernel.
*/
#define PRCI_CLK_COREPLL 0
#define PRCI_CLK_DDRPLL 1
#define PRCI_CLK_GEMGXLPLL 2
#define PRCI_CLK_TLCLK 3
#endif /* HW_SIFIVE_U_PRCI_H */