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clk: hi3798cv200: add emmc sample and drive clock

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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>
This commit is contained in:
tianshuliang 2018-03-05 15:01:32 +08:00 committed by Shawn Guo
parent 811f67cc16
commit d1b0399543
1 changed files with 20 additions and 0 deletions
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20
drivers/clk/hisilicon/crg-hi3798cv200.c
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@ -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);