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| author | Hai Pham <hai.pham.ud@renesas.com> | 2021-08-05 14:38:26 +0700 |
|---|---|---|
| committer | Marek Vasut <marek.vasut+renesas@mailbox.org> | 2023-06-10 11:50:45 +0200 |
| commit | 8e8cb7e1a845a36e73ff839732328c76d2cc0e99 (patch) | |
| tree | f0cca048e13c009a89aad50d583e3f4732509519 | |
| parent | 89208dba38035007dcbe3618b2beda0aafac5fca (diff) | |
| download | u-boot-8e8cb7e1a845a36e73ff839732328c76d2cc0e99.zip u-boot-8e8cb7e1a845a36e73ff839732328c76d2cc0e99.tar.gz u-boot-8e8cb7e1a845a36e73ff839732328c76d2cc0e99.tar.bz2 | |
mtd: spi: renesas: Add R-Car Gen4 support
Support RPC SPI on R-Car Gen4 R8A779F0 S4 and R8A779G0 V4H SoCs.
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
[Marek: Squash S4 and V4H patches, fix brackets around STRTIM2]
| -rw-r--r-- | drivers/spi/renesas_rpc_spi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/renesas_rpc_spi.c b/drivers/spi/renesas_rpc_spi.c index 07ff2d2..af1b368 100644 --- a/drivers/spi/renesas_rpc_spi.c +++ b/drivers/spi/renesas_rpc_spi.c @@ -140,6 +140,7 @@ #define PRC_PHYCNT_EXDS BIT(21) #define RPC_PHYCNT_OCT BIT(20) #define RPC_PHYCNT_STRTIM(v) (((v) & 0x7) << 15) +#define RPC_PHYCNT_STRTIM2(v) ((((v) & 0x7) << 15) | (((v) & 0x8) << 24)) #define RPC_PHYCNT_WBUF2 BIT(4) #define RPC_PHYCNT_WBUF BIT(2) #define RPC_PHYCNT_MEM(v) (((v) & 0x3) << 0) @@ -212,9 +213,13 @@ static u32 rpc_spi_get_strobe_delay(void) * 0: On H3 ES1.x (not supported in mainline U-Boot) * 6: On M3 ES1.x * 7: On other R-Car Gen3 + * 15: On R-Car Gen4 */ if (cpu_type == RMOBILE_CPU_TYPE_R8A7796 && rmobile_get_cpu_rev_integer() == 1) return RPC_PHYCNT_STRTIM(6); + else if (cpu_type == RMOBILE_CPU_TYPE_R8A779F0 || + cpu_type == RMOBILE_CPU_TYPE_R8A779G0) + return RPC_PHYCNT_STRTIM2(15); else #endif return RPC_PHYCNT_STRTIM(7); |