Add support for of-platdata with rk3288. This requires decoding the
of-platdata struct and setting up the devices from that. Also the driver
needs to be renamed to match the string that of-platdata will search for.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v3:
- Rebase to master
Changes in v2: None
drivers/clk/clk_rk3288.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/clk_rk3288.c b/drivers/clk/clk_rk3288.c
index 1c2bf64..679f010 100644
--- a/drivers/clk/clk_rk3288.c
+++ b/drivers/clk/clk_rk3288.c
@@ -7,7 +7,9 @@
#include <common.h>
#include <clk-uclass.h>
#include <dm.h>
+#include <dt-structs.h>
#include <errno.h>
+#include <mapmem.h>
#include <syscon.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
@@ -21,6 +23,12 @@
DECLARE_GLOBAL_DATA_PTR;
+struct rk3288_clk_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct dtd_rockchip_rk3288_cru dtd;
+#endif
+};
+
struct rk3288_clk_priv {
struct rk3288_grf *grf;
struct rk3288_cru *cru;
@@ -785,9 +793,11 @@ static struct clk_ops rk3288_clk_ops = {
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);
+#endif
return 0;
}
@@ -800,6 +810,11 @@ static int rk3288_clk_probe(struct udevice *dev)
if (IS_ERR(priv->grf))
return PTR_ERR(priv->grf);
#ifdef CONFIG_SPL_BUILD
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct rk3288_clk_plat *plat = dev_get_platdata(dev);
+
+ priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
+#endif
rkclk_init(priv->cru, priv->grf);
#endif
@@ -823,11 +838,12 @@ static const struct udevice_id rk3288_clk_ids[] = {
{ }
};
-U_BOOT_DRIVER(clk_rk3288) = {
- .name = "clk_rk3288",
+U_BOOT_DRIVER(rockchip_rk3288_cru) = {
+ .name = "rockchip_rk3288_cru",
.id = UCLASS_CLK,
.of_match = rk3288_clk_ids,
.priv_auto_alloc_size = sizeof(struct rk3288_clk_priv),
+ .platdata_auto_alloc_size = sizeof(struct rk3288_clk_plat),
.ops = &rk3288_clk_ops,
.bind = rk3288_clk_bind,
.ofdata_to_platdata = rk3288_clk_ofdata_to_platdata,
--
2.8.0.rc3.226.g39d4020
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