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rockchip: clk: Update the rk3288 driver to support of-platdata

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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 <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-07-04 11:58:29 -06:00
parent 08fd82cf3e
commit 2d143bd619
1 changed files with 18 additions and 2 deletions
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20
drivers/clk/clk_rk3288.c
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@ -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,