diff options
| author | tianshuliang <tianshuliang@hisilicon.com> | 2018-03-05 08:01:32 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2018-03-12 08:56:58 +0100 |
| commit | d1b0399543cec5fa5d3a2d33b525a7cd7912e635 (patch) | |
| tree | f74b85562993665f1ca88758acdd8f52f7ee5fe6 /drivers/clk/hisilicon | |
| parent | clk: hisilicon: add hisi phase clock support (diff) | |
| download | linux-d1b0399543cec5fa5d3a2d33b525a7cd7912e635.tar.xz linux-d1b0399543cec5fa5d3a2d33b525a7cd7912e635.zip | |
clk: hi3798cv200: add emmc sample and drive clock
It adds eMMC sample clock HISTB_MMC_SAMPLE_CLK and drive clock
HISTB_MMC_DRV_CLK support for Hi3798cv200 SoC.
Signed-off-by: tianshuliang <tianshuliang@hisilicon.com>
Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'drivers/clk/hisilicon')
| -rw-r--r-- | drivers/clk/hisilicon/crg-hi3798cv200.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/clk/hisilicon/crg-hi3798cv200.c b/drivers/clk/hisilicon/crg-hi3798cv200.c index d6e3971bac9e..743eec131528 100644 --- a/drivers/clk/hisilicon/crg-hi3798cv200.c +++ b/drivers/clk/hisilicon/crg-hi3798cv200.c @@ -97,6 +97,18 @@ static struct hisi_mux_clock hi3798cv200_mux_clks[] = { 0x9c, 8, 2, 0, sdio_mux_table, }, }; +static u32 mmc_phase_regvals[] = {0, 1, 2, 3, 4, 5, 6, 7}; +static u32 mmc_phase_degrees[] = {0, 45, 90, 135, 180, 225, 270, 315}; + +static struct hisi_phase_clock hi3798cv200_phase_clks[] = { + { HISTB_MMC_SAMPLE_CLK, "mmc_sample", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 12, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, + { HISTB_MMC_DRV_CLK, "mmc_drive", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 16, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, +}; + static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { /* UART */ { HISTB_UART2_CLK, "clk_uart2", "75m", @@ -186,6 +198,14 @@ static struct hisi_clock_data *hi3798cv200_clk_register( if (!clk_data) return ERR_PTR(-ENOMEM); + /* hisi_phase_clock is resource managed */ + ret = hisi_clk_register_phase(&pdev->dev, + hi3798cv200_phase_clks, + ARRAY_SIZE(hi3798cv200_phase_clks), + clk_data); + if (ret) + return ERR_PTR(ret); + ret = hisi_clk_register_fixed_rate(hi3798cv200_fixed_rate_clks, ARRAY_SIZE(hi3798cv200_fixed_rate_clks), clk_data); |