dm: core: Replace of_offset with accessor

[people/ms/u-boot.git] / drivers / mmc / rockchip_dw_mmc.c

diff --git a/drivers/mmc/rockchip_dw_mmc.c b/drivers/mmc/rockchip_dw_mmc.c
index 0a261c51a84b897139679b9b967d30405ea6cac8..c36eda05d20b139b71caaca95430513f91f66212 100644 (file)
--- a/drivers/mmc/rockchip_dw_mmc.c
+++ b/drivers/mmc/rockchip_dw_mmc.c
@@ -7,8 +7,10 @@
 #include <common.h>
 #include <clk.h>
 #include <dm.h>
+#include <dt-structs.h>
 #include <dwmmc.h>
 #include <errno.h>
+#include <mapmem.h>
 #include <pwrseq.h>
 #include <syscon.h>
 #include <asm/gpio.h>
@@ -18,10 +20,20 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+struct rockchip_mmc_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+       struct dtd_rockchip_rk3288_dw_mshc dtplat;
+#endif
+       struct mmc_config cfg;
+       struct mmc mmc;
+};
+
 struct rockchip_dwmmc_priv {
-       struct udevice *clk;
-       int periph;
+       struct clk clk;
        struct dwmci_host host;
+       int fifo_depth;
+       bool fifo_mode;
+       u32 minmax[2];
 };
 
 static uint rockchip_dwmmc_get_mmc_clk(struct dwmci_host *host, uint freq)
@@ -30,7 +42,7 @@ static uint rockchip_dwmmc_get_mmc_clk(struct dwmci_host *host, uint freq)
        struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);
        int ret;
 
-       ret = clk_set_periph_rate(priv->clk, priv->periph, freq);
+       ret = clk_set_rate(&priv->clk, freq);
        if (ret < 0) {
                debug("%s: err=%d\n", __func__, ret);
                return ret;
@@ -41,54 +53,71 @@ static uint rockchip_dwmmc_get_mmc_clk(struct dwmci_host *host, uint freq)
 
 static int rockchip_dwmmc_ofdata_to_platdata(struct udevice *dev)
 {
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
        struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);
        struct dwmci_host *host = &priv->host;
 
        host->name = dev->name;
        host->ioaddr = (void *)dev_get_addr(dev);
-       host->buswidth = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+       host->buswidth = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
                                        "bus-width", 4);
        host->get_mmc_clk = rockchip_dwmmc_get_mmc_clk;
        host->priv = dev;
 
        /* use non-removeable as sdcard and emmc as judgement */
-       if (fdtdec_get_bool(gd->fdt_blob, dev->of_offset, "non-removable"))
+       if (fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev), "non-removable"))
                host->dev_index = 0;
        else
                host->dev_index = 1;
 
+       priv->fifo_depth = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
+                                   "fifo-depth", 0);
+       if (priv->fifo_depth < 0)
+               return -EINVAL;
+       priv->fifo_mode = fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
+                                         "fifo-mode");
+       if (fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev),
+                                "clock-freq-min-max", priv->minmax, 2))
+               return -EINVAL;
+#endif
        return 0;
 }
 
 static int rockchip_dwmmc_probe(struct udevice *dev)
 {
+       struct rockchip_mmc_plat *plat = dev_get_platdata(dev);
        struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
        struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);
        struct dwmci_host *host = &priv->host;
        struct udevice *pwr_dev __maybe_unused;
-       u32 minmax[2];
        int ret;
-       int fifo_depth;
 
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+       struct dtd_rockchip_rk3288_dw_mshc *dtplat = &plat->dtplat;
+
+       host->name = dev->name;
+       host->ioaddr = map_sysmem(dtplat->reg[0], dtplat->reg[1]);
+       host->buswidth = dtplat->bus_width;
+       host->get_mmc_clk = rockchip_dwmmc_get_mmc_clk;
+       host->priv = dev;
+       host->dev_index = 0;
+       priv->fifo_depth = dtplat->fifo_depth;
+       priv->fifo_mode = 0;
+       memcpy(priv->minmax, dtplat->clock_freq_min_max, sizeof(priv->minmax));
+
+       ret = clk_get_by_index_platdata(dev, 0, dtplat->clocks, &priv->clk);
+       if (ret < 0)
+               return ret;
+#else
        ret = clk_get_by_index(dev, 0, &priv->clk);
        if (ret < 0)
                return ret;
-       priv->periph = ret;
-
-       if (fdtdec_get_int_array(gd->fdt_blob, dev->of_offset,
-                                "clock-freq-min-max", minmax, 2))
-               return -EINVAL;
-
-       fifo_depth = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
-                                   "fifo-depth", 0);
-       if (fifo_depth < 0)
-               return -EINVAL;
-
+#endif
        host->fifoth_val = MSIZE(0x2) |
-               RX_WMARK(fifo_depth / 2 - 1) | TX_WMARK(fifo_depth / 2);
+               RX_WMARK(priv->fifo_depth / 2 - 1) |
+               TX_WMARK(priv->fifo_depth / 2);
 
-       if (fdtdec_get_bool(gd->fdt_blob, dev->of_offset, "fifo-mode"))
-               host->fifo_mode = true;
+       host->fifo_mode = priv->fifo_mode;
 
 #ifdef CONFIG_PWRSEQ
        /* Enable power if needed */
@@ -100,14 +129,20 @@ static int rockchip_dwmmc_probe(struct udevice *dev)
                        return ret;
        }
 #endif
-       ret = add_dwmci(host, minmax[1], minmax[0]);
-       if (ret)
-               return ret;
-
+       dwmci_setup_cfg(&plat->cfg, host, priv->minmax[1], priv->minmax[0]);
+       host->mmc = &plat->mmc;
+       host->mmc->priv = &priv->host;
        host->mmc->dev = dev;
        upriv->mmc = host->mmc;
 
-       return 0;
+       return dwmci_probe(dev);
+}
+
+static int rockchip_dwmmc_bind(struct udevice *dev)
+{
+       struct rockchip_mmc_plat *plat = dev_get_platdata(dev);
+
+       return dwmci_bind(dev, &plat->mmc, &plat->cfg);
 }
 
 static const struct udevice_id rockchip_dwmmc_ids[] = {
@@ -116,12 +151,15 @@ static const struct udevice_id rockchip_dwmmc_ids[] = {
 };
 
 U_BOOT_DRIVER(rockchip_dwmmc_drv) = {
-       .name           = "rockchip_dwmmc",
+       .name           = "rockchip_rk3288_dw_mshc",
        .id             = UCLASS_MMC,
        .of_match       = rockchip_dwmmc_ids,
        .ofdata_to_platdata = rockchip_dwmmc_ofdata_to_platdata,
+       .ops            = &dm_dwmci_ops,
+       .bind           = rockchip_dwmmc_bind,
        .probe          = rockchip_dwmmc_probe,
        .priv_auto_alloc_size = sizeof(struct rockchip_dwmmc_priv),
+       .platdata_auto_alloc_size = sizeof(struct rockchip_mmc_plat),
 };
 
 #ifdef CONFIG_PWRSEQ