[U-Boot] [PATCH 4/5] rockchip: clk: rk3288: add ciu_clk entry for eMMC/SDMMC/SDIO
Ziyuan Xu
xzy.xu at rock-chips.com
Sun Apr 16 09:44:45 UTC 2017
The genunie bus clock is sclk_x for eMMC/SDMMC/SDIO, add support for
it.
Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
---
drivers/clk/rockchip/clk_rk3288.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c
index 7835676..fc369dd 100644
--- a/drivers/clk/rockchip/clk_rk3288.c
+++ b/drivers/clk/rockchip/clk_rk3288.c
@@ -513,16 +513,19 @@ static ulong rockchip_mmc_get_clk(struct rk3288_cru *cru, uint gclk_rate,
switch (periph) {
case HCLK_EMMC:
+ case SCLK_EMMC:
con = readl(&cru->cru_clksel_con[12]);
mux = (con >> EMMC_PLL_SHIFT) & EMMC_PLL_MASK;
div = (con >> EMMC_DIV_SHIFT) & EMMC_DIV_MASK;
break;
case HCLK_SDMMC:
+ case SCLK_SDMMC:
con = readl(&cru->cru_clksel_con[11]);
mux = (con >> MMC0_PLL_SHIFT) & MMC0_PLL_MASK;
div = (con >> MMC0_DIV_SHIFT) & MMC0_DIV_MASK;
break;
case HCLK_SDIO0:
+ case SCLK_SDIO0:
con = readl(&cru->cru_clksel_con[12]);
mux = (con >> SDIO0_PLL_SHIFT) & SDIO0_PLL_MASK;
div = (con >> SDIO0_DIV_SHIFT) & SDIO0_DIV_MASK;
@@ -556,6 +559,7 @@ static ulong rockchip_mmc_set_clk(struct rk3288_cru *cru, uint gclk_rate,
}
switch (periph) {
case HCLK_EMMC:
+ case SCLK_EMMC:
rk_clrsetreg(&cru->cru_clksel_con[12],
EMMC_PLL_MASK << EMMC_PLL_SHIFT |
EMMC_DIV_MASK << EMMC_DIV_SHIFT,
@@ -563,6 +567,7 @@ static ulong rockchip_mmc_set_clk(struct rk3288_cru *cru, uint gclk_rate,
(src_clk_div - 1) << EMMC_DIV_SHIFT);
break;
case HCLK_SDMMC:
+ case SCLK_SDMMC:
rk_clrsetreg(&cru->cru_clksel_con[11],
MMC0_PLL_MASK << MMC0_PLL_SHIFT |
MMC0_DIV_MASK << MMC0_DIV_SHIFT,
@@ -570,6 +575,7 @@ static ulong rockchip_mmc_set_clk(struct rk3288_cru *cru, uint gclk_rate,
(src_clk_div - 1) << MMC0_DIV_SHIFT);
break;
case HCLK_SDIO0:
+ case SCLK_SDIO0:
rk_clrsetreg(&cru->cru_clksel_con[12],
SDIO0_PLL_MASK << SDIO0_PLL_SHIFT |
SDIO0_DIV_MASK << SDIO0_DIV_SHIFT,
@@ -662,6 +668,9 @@ static ulong rk3288_clk_get_rate(struct clk *clk)
case HCLK_EMMC:
case HCLK_SDMMC:
case HCLK_SDIO0:
+ case SCLK_EMMC:
+ case SCLK_SDMMC:
+ case SCLK_SDIO0:
new_rate = rockchip_mmc_get_clk(priv->cru, gclk_rate, clk->id);
break;
case SCLK_SPI0:
@@ -706,6 +715,9 @@ static ulong rk3288_clk_set_rate(struct clk *clk, ulong rate)
case HCLK_EMMC:
case HCLK_SDMMC:
case HCLK_SDIO0:
+ case SCLK_EMMC:
+ case SCLK_SDMMC:
+ case SCLK_SDIO0:
new_rate = rockchip_mmc_set_clk(cru, gclk_rate, clk->id, rate);
break;
case SCLK_SPI0:
--
2.7.4
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