leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

rockchip: clk: rk3188: add ciu_clk entry for eMMC/SDMMC/SDIO

Browse Source 
The genunie bus clock is sclk_x for eMMC/SDMMC/SDIO, add support for
it.

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Xu Ziyuan 2017-04-16 17:44:44 +08:00 committed by Simon Glass
parent 7f0cfe478b
commit 7a25a63c13
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/clk/rockchip/clk_rk3188.c
View File

@ -269,14 +269,17 @@ static ulong rockchip_mmc_get_clk(struct rk3188_cru *cru, uint gclk_rate,
switch (periph) {
case HCLK_EMMC:
case SCLK_EMMC:
con = readl(&cru->cru_clksel_con[12]);
div = (con >> EMMC_DIV_SHIFT) & EMMC_DIV_MASK;
break;
case HCLK_SDMMC:
case SCLK_SDMMC:
con = readl(&cru->cru_clksel_con[11]);
div = (con >> MMC0_DIV_SHIFT) & MMC0_DIV_MASK;
break;
case HCLK_SDIO:
case SCLK_SDIO:
con = readl(&cru->cru_clksel_con[12]);
div = (con >> SDIO_DIV_SHIFT) & SDIO_DIV_MASK;
break;
@ -298,16 +301,19 @@ static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate,
switch (periph) {
case HCLK_EMMC:
case SCLK_EMMC:
rk_clrsetreg(&cru->cru_clksel_con[12],
EMMC_DIV_MASK << EMMC_DIV_SHIFT,
src_clk_div << EMMC_DIV_SHIFT);
break;
case HCLK_SDMMC:
case SCLK_SDMMC:
rk_clrsetreg(&cru->cru_clksel_con[11],
MMC0_DIV_MASK << MMC0_DIV_SHIFT,
src_clk_div << MMC0_DIV_SHIFT);
break;
case HCLK_SDIO:
case SCLK_SDIO:
rk_clrsetreg(&cru->cru_clksel_con[12],
SDIO_DIV_MASK << SDIO_DIV_SHIFT,
src_clk_div << SDIO_DIV_SHIFT);
@ -466,6 +472,9 @@ static ulong rk3188_clk_get_rate(struct clk *clk)
case HCLK_EMMC:
case HCLK_SDMMC:
case HCLK_SDIO:
case SCLK_EMMC:
case SCLK_SDMMC:
case SCLK_SDIO:
new_rate = rockchip_mmc_get_clk(priv->cru, PERI_HCLK_HZ,
clk->id);
break;
@ -505,6 +514,9 @@ static ulong rk3188_clk_set_rate(struct clk *clk, ulong rate)
case HCLK_EMMC:
case HCLK_SDMMC:
case HCLK_SDIO:
case SCLK_EMMC:
case SCLK_SDMMC:
case SCLK_SDIO:
new_rate = rockchip_mmc_set_clk(cru, PERI_HCLK_HZ,
clk->id, rate);
break;