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| author | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-06-22 23:51:37 +0200 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-08-13 17:12:30 +0200 |
| commit | bee61801264988d4250e8536bf62336621d2e9fb (patch) | |
| tree | b9d7b2d29986c1e31059ba5c7540f7e7241f0670 /drivers | |
| parent | ddfe77df15bc1db9180b261b9c701abf4712452c (diff) | |
| download | u-boot-bee61801264988d4250e8536bf62336621d2e9fb.tar.gz u-boot-bee61801264988d4250e8536bf62336621d2e9fb.tar.bz2 u-boot-bee61801264988d4250e8536bf62336621d2e9fb.zip | |
rockchip: clk: rk3368: support OF_PLATDATA for the RK3368 clk driver
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/rockchip/clk_rk3368.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/clk_rk3368.c b/drivers/clk/rockchip/clk_rk3368.c index d8f06d5856..809ad1990f 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, |