diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-05-26 12:49:17 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2018-05-26 12:49:17 +0000 |
| commit | 8eba25f4886c267dc0274c3d3cae1f6b3a54022a (patch) | |
| tree | 2ca356c59f279c4dfef1d8c91bddc6ee10958f02 /sys/dev/fdt | |
| parent | 5257ebe4f57984d53b75bd79fbcfe5c4df9b1a64 (diff) | |
Add clocks for RK3399 SDIO controller.
Diffstat (limited to 'sys/dev/fdt')
| -rw-r--r-- | sys/dev/fdt/rkclock.c | 31 | ||||
| -rw-r--r-- | sys/dev/fdt/rkclock_clocks.h | 1 |
2 files changed, 31 insertions, 1 deletions
diff --git a/sys/dev/fdt/rkclock.c b/sys/dev/fdt/rkclock.c index 505f97d0e18..128d0c0a2f8 100644 --- a/sys/dev/fdt/rkclock.c +++ b/sys/dev/fdt/rkclock.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rkclock.c,v 1.22 2018/02/25 20:42:13 kettenis Exp $ */ +/* $OpenBSD: rkclock.c,v 1.23 2018/05/26 12:49:16 kettenis Exp $ */ /* * Copyright (c) 2017, 2018 Mark Kettenis <kettenis@openbsd.org> * @@ -1074,6 +1074,35 @@ rk3399_get_frequency(void *cookie, uint32_t *cells) } return rk3399_get_frequency(sc, &idx) / (div_con + 1); break; + case RK3399_CLK_SDIO: + reg = HREAD4(sc, RK3399_CRU_CLKSEL_CON(15)); + mux = (reg >> 8) & 0x7; + div_con = reg & 0x7f; + switch (mux) { + case 0: + idx = RK3399_PLL_CPLL; + break; + case 1: + idx = RK3399_PLL_GPLL; + break; + case 2: + idx = RK3399_PLL_NPLL; + break; +#ifdef notyet + case 3: + idx = RK3399_PLL_PPLL; + break; + case 4: + idx = RK3399_USB_480M; + break; +#endif + case 5: + return 24000000 / (div_con + 1); + default: + return 0; + } + return rk3399_get_frequency(sc, &idx) / (div_con + 1); + break; case RK3399_CLK_UART0: reg = HREAD4(sc, RK3399_CRU_CLKSEL_CON(33)); mux = (reg >> 8) & 0x3; diff --git a/sys/dev/fdt/rkclock_clocks.h b/sys/dev/fdt/rkclock_clocks.h index 3bdc4f0c107..46d4dbc9dda 100644 --- a/sys/dev/fdt/rkclock_clocks.h +++ b/sys/dev/fdt/rkclock_clocks.h @@ -76,6 +76,7 @@ #define RK3399_CLK_I2C6 69 #define RK3399_CLK_I2C7 70 #define RK3399_CLK_SDMMC 76 +#define RK3399_CLK_SDIO 77 #define RK3399_CLK_EMMC 78 #define RK3399_CLK_TSADC 79 #define RK3399_CLK_UART0 81 |