With the RK3368's limited TPL size, we'll want to use OF_PLATFDATA for the SPL stage. This implements support for OF_PLATDATA in the clock driver for the RK3368.
Signed-off-by: Philipp Tomsich philipp.tomsich@theobroma-systems.com
Reviewed-by: Simon Glass sjg@chromium.org ---
Changes in v3: None Changes in v2: None
drivers/clk/rockchip/clk_rk3368.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/clk/rockchip/clk_rk3368.c b/drivers/clk/rockchip/clk_rk3368.c index d8f06d5..809ad19 100644 --- a/drivers/clk/rockchip/clk_rk3368.c +++ b/drivers/clk/rockchip/clk_rk3368.c @@ -8,7 +8,9 @@ #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/arch/clock.h> #include <asm/arch/cru_rk3368.h> @@ -19,6 +21,12 @@
DECLARE_GLOBAL_DATA_PTR;
+#if CONFIG_IS_ENABLED(OF_PLATDATA) +struct rk3368_clk_plat { + struct dtd_rockchip_rk3368_cru dtd; +}; +#endif + struct pll_div { u32 nr; u32 nf; @@ -254,7 +262,11 @@ static struct clk_ops rk3368_clk_ops = { static int rk3368_clk_probe(struct udevice *dev) { struct rk3368_clk_priv *priv = dev_get_priv(dev); +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct rk3368_clk_plat *plat = dev_get_platdata(dev);
+ priv->cru = map_sysmem(plat->dtd.reg[1], plat->dtd.reg[3]); +#endif rkclk_init(priv->cru);
return 0; @@ -262,9 +274,11 @@ static int rk3368_clk_probe(struct udevice *dev)
static int rk3368_clk_ofdata_to_platdata(struct udevice *dev) { +#if !CONFIG_IS_ENABLED(OF_PLATDATA) struct rk3368_clk_priv *priv = dev_get_priv(dev);
priv->cru = (struct rk3368_cru *)devfdt_get_addr(dev); +#endif
return 0; } @@ -291,6 +305,9 @@ U_BOOT_DRIVER(rockchip_rk3368_cru) = { .id = UCLASS_CLK, .of_match = rk3368_clk_ids, .priv_auto_alloc_size = sizeof(struct rk3368_clk_priv), +#if CONFIG_IS_ENABLED(OF_PLATDATA) + .platdata_auto_alloc_size = sizeof(struct rk3368_clk_plat), +#endif .ofdata_to_platdata = rk3368_clk_ofdata_to_platdata, .ops = &rk3368_clk_ops, .bind = rk3368_clk_bind,