[U-Boot] [PATCH v9 19/49] rockchip: spi: Update the driver to use the new clock ID

[Simon Glass]

We can use the new clk_get_by_index() function to get the correct clock.

Signed-off-by: Simon Glass <s...@chromium.org>
---

Changes in v9: None
Changes in v2:
- Update call to clk_get_by_index()

 drivers/spi/rk_spi.c | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/drivers/spi/rk_spi.c b/drivers/spi/rk_spi.c
index 242a83b..62434be 100644
--- a/drivers/spi/rk_spi.c
+++ b/drivers/spi/rk_spi.c
@@ -27,7 +27,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define DEBUG_RK_SPI   0
 
 struct rockchip_spi_platdata {
-       enum periph_id periph_id;
+       int periph_id;
        struct udevice *pinctrl;
        s32 frequency;          /* Default clock frequency, -1 for none */
        fdt_addr_t base;
@@ -36,10 +36,10 @@ struct rockchip_spi_platdata {
 
 struct rockchip_spi_priv {
        struct rockchip_spi *regs;
-       struct udevice *clk_gpll;
+       struct udevice *clk;
+       int clk_id;
        unsigned int max_freq;
        unsigned int mode;
-       enum periph_id periph_id;       /* Peripheral ID for this device */
        ulong last_transaction_us;      /* Time of last transaction end */
        u8 bits_per_word;               /* max 16 bits per word */
        u8 n_bytes;
@@ -114,6 +114,7 @@ static void spi_cs_deactivate(struct rockchip_spi *regs, 
uint cs)
 static int rockchip_spi_ofdata_to_platdata(struct udevice *bus)
 {
        struct rockchip_spi_platdata *plat = bus->platdata;
+       struct rockchip_spi_priv *priv = dev_get_priv(bus);
        const void *blob = gd->fdt_blob;
        int node = bus->of_offset;
        int ret;
@@ -127,16 +128,23 @@ static int rockchip_spi_ofdata_to_platdata(struct udevice 
*bus)
        if (ret < 0) {
                debug("%s: Could not get peripheral ID for %s: %d\n", __func__,
                      bus->name, ret);
-               return -FDT_ERR_NOTFOUND;
+               return ret;
        }
        plat->periph_id = ret;
+       ret = clk_get_by_index(bus, 0, &priv->clk);
+       if (ret < 0) {
+               debug("%s: Could not get clock for %s: %d\n", __func__,
+                     bus->name, ret);
+               return ret;
+       }
+       priv->clk_id = ret;
 
        plat->frequency = fdtdec_get_int(blob, node, "spi-max-frequency",
-                                       50000000);
+                                        50000000);
        plat->deactivate_delay_us = fdtdec_get_int(blob, node,
                                        "spi-deactivate-delay", 0);
-       debug("%s: base=%lx, periph_id=%d, max-frequency=%d, 
deactivate_delay=%d\n",
-             __func__, plat->base, plat->periph_id, plat->frequency,
+       debug("%s: base=%x, periph_id=%d, max-frequency=%d, 
deactivate_delay=%d\n",
+             __func__, (uint)plat->base, plat->periph_id, plat->frequency,
              plat->deactivate_delay_us);
 
        return 0;
@@ -153,18 +161,12 @@ static int rockchip_spi_probe(struct udevice *bus)
 
        priv->last_transaction_us = timer_get_us();
        priv->max_freq = plat->frequency;
-       priv->periph_id = plat->periph_id;
-       ret = uclass_get_device(UCLASS_CLK, CLK_GENERAL, &priv->clk_gpll);
-       if (ret) {
-               debug("%s: Failed to find CLK_GENERAL: %d\n", __func__, ret);
-               return ret;
-       }
 
        /*
         * Use 99 MHz as our clock since it divides nicely into 594 MHz which
         * is the assumed speed for CLK_GENERAL.
         */
-       ret = clk_set_periph_rate(priv->clk_gpll, plat->periph_id, 99000000);
+       ret = clk_set_periph_rate(priv->clk, priv->clk_id, 99000000);
        if (ret < 0) {
                debug("%s: Failed to set clock: %d\n", __func__, ret);
                return ret;
@@ -248,7 +250,7 @@ static int rockchip_spi_claim_bus(struct udevice *dev)
 
        writel(ctrlr0, &regs->ctrlr0);
 
-       ret = pinctrl_request(plat->pinctrl, priv->periph_id, slave_plat->cs);
+       ret = pinctrl_request(plat->pinctrl, plat->periph_id, slave_plat->cs);
        if (ret) {
                debug("%s: Cannot request pinctrl: %d\n", __func__, ret);
                return ret;
-- 
2.7.0.rc3.207.g0ac5344

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