rockchip: gpio: Read the GPIO value correctly

[u-boot] / drivers / clk / clk_rk3036.c

diff --git a/drivers/clk/clk_rk3036.c b/drivers/clk/clk_rk3036.c
index dfecc24ece6c4ed3f5a601edb50d76581ca88837..bd5f22a753a4f368ec3430aab70f19bab427a330 100644 (file)
--- a/drivers/clk/clk_rk3036.c
+++ b/drivers/clk/clk_rk3036.c
@@ -57,6 +57,23 @@ static inline unsigned int log2(unsigned int value)
        return fls(value) - 1;
 }
 
+void *rockchip_get_cru(void)
+{
+       struct udevice *dev;
+       fdt_addr_t addr;
+       int ret;
+
+       ret = uclass_get_device(UCLASS_CLK, 0, &dev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       addr = dev_get_addr(dev);
+       if (addr == FDT_ADDR_T_NONE)
+               return ERR_PTR(-EINVAL);
+
+       return (void *)addr;
+}
+
 static int rkclk_set_pll(struct rk3036_cru *cru, enum rk_clk_id clk_id,
                         const struct pll_div *div)
 {