X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fclk%2Frockchip%2Fclk_rk3288.c;h=14851ca5aa2533ff97a428c945bb9bd67fa9077e;hb=2c62e313b14186d67f5bf26095f36a246cb0c3a4;hp=c07203d84b95057b23cb287bb7037aad01c33124;hpb=2863a9bfc29092be37f8beee230883367b057065;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c
index c07203d..14851ca 100644
--- a/drivers/clk/rockchip/clk_rk3288.c
+++ b/drivers/clk/rockchip/clk_rk3288.c
@@ -30,12 +30,6 @@ struct rk3288_clk_plat {
 #endif
 };
 
-struct rk3288_clk_priv {
-	struct rk3288_grf *grf;
-	struct rk3288_cru *cru;
-	ulong rate;
-};
-
 struct pll_div {
 	u32 nr;
 	u32 nf;
@@ -137,23 +131,10 @@ enum {
 
 /* Keep divisors as low as possible to reduce jitter and power usage */
 static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 1);
+#ifdef CONFIG_SPL_BUILD
 static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2);
 static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2);
-
-void *rockchip_get_cru(void)
-{
-	struct rk3288_clk_priv *priv;
-	struct udevice *dev;
-	int ret;
-
-	ret = rockchip_get_clk(&dev);
-	if (ret)
-		return ERR_PTR(ret);
-
-	priv = dev_get_priv(dev);
-
-	return priv->cru;
-}
+#endif
 
 static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id,
 			 const struct pll_div *div)
@@ -532,16 +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;
@@ -575,6 +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,
@@ -582,6 +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,
@@ -589,6 +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,
@@ -681,6 +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:
@@ -695,6 +685,8 @@ static ulong rk3288_clk_get_rate(struct clk *clk)
 	case PCLK_I2C4:
 	case PCLK_I2C5:
 		return gclk_rate;
+	case PCLK_PWM:
+		return PD_BUS_PCLK_HZ;
 	default:
 		return -ENOENT;
 	}
@@ -710,12 +702,22 @@ static ulong rk3288_clk_set_rate(struct clk *clk, ulong rate)
 
 	gclk_rate = rkclk_pll_get_rate(priv->cru, CLK_GENERAL);
 	switch (clk->id) {
+	case PLL_APLL:
+		/* We only support a fixed rate here */
+		if (rate != 1800000000)
+			return -EINVAL;
+		rk3288_clk_configure_cpu(priv->cru, priv->grf);
+		new_rate = rate;
+		break;
 	case CLK_DDR:
 		new_rate = rkclk_configure_ddr(priv->cru, priv->grf, rate);
 		break;
 	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:
@@ -792,7 +794,7 @@ static int rk3288_clk_ofdata_to_platdata(struct udevice *dev)
 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
 	struct rk3288_clk_priv *priv = dev_get_priv(dev);
 
-	priv->cru = (struct rk3288_cru *)dev_get_addr(dev);
+	priv->cru = (struct rk3288_cru *)devfdt_get_addr(dev);
 #endif
 
 	return 0;