diff options
Diffstat (limited to 'drivers/clk/clk_zynq.c')
| -rw-r--r-- | drivers/clk/clk_zynq.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/clk/clk_zynq.c b/drivers/clk/clk_zynq.c index e80500e382b..34f964d72af 100644 --- a/drivers/clk/clk_zynq.c +++ b/drivers/clk/clk_zynq.c @@ -454,12 +454,64 @@ static int dummy_enable(struct clk *clk) return 0; } +#if IS_ENABLED(CONFIG_CMD_CLK) +static const char * const clk_names[clk_max] = { + "armpll", "ddrpll", "iopll", + "cpu_6or4x", "cpu_3or2x", "cpu_2x", "cpu_1x", + "ddr2x", "ddr3x", "dci", + "lqspi", "smc", "pcap", "gem0", "gem1", + "fclk0", "fclk1", "fclk2", "fclk3", "can0", "can1", + "sdio0", "sdio1", "uart0", "uart1", "spi0", "spi1", "dma", + "usb0_aper", "usb1_aper", "gem0_aper", "gem1_aper", + "sdio0_aper", "sdio1_aper", "spi0_aper", "spi1_aper", + "can0_aper", "can1_aper", "i2c0_aper", "i2c1_aper", + "uart0_aper", "uart1_aper", "gpio_aper", "lqspi_aper", + "smc_aper", "swdt", "dbg_trc", "dbg_apb" +}; + +static void zynq_clk_dump(struct udevice *dev) +{ + int i, ret; + + printf("clk\t\tfrequency\n"); + for (i = 0; i < clk_max; i++) { + const char *name = clk_names[i]; + + if (name) { + struct clk clk; + unsigned long rate; + + clk.id = i; + ret = clk_request(dev, &clk); + if (ret < 0) { + printf("%s clk_request() failed: %d\n", + __func__, ret); + break; + } + + rate = clk_get_rate(&clk); + + clk_free(&clk); + + if ((rate == (unsigned long)-ENOSYS) || + (rate == (unsigned long)-ENXIO)) + printf("%10s%20s\n", name, "unknown"); + else + printf("%10s%20lu\n", name, rate); + } + } +} +#endif + static struct clk_ops zynq_clk_ops = { .get_rate = zynq_clk_get_rate, #ifndef CONFIG_SPL_BUILD .set_rate = zynq_clk_set_rate, #endif .enable = dummy_enable, +#if IS_ENABLED(CONFIG_CMD_CLK) + .dump = zynq_clk_dump, +#endif }; static int zynq_clk_probe(struct udevice *dev) |