From e17ee5f08b9849b9f80fadab96364121c6bdd207 Mon Sep 17 00:00:00 2001 From: Shawn Lin Date: Wed, 7 Feb 2018 14:20:03 +0800 Subject: soc: rockchip: disable jtag switching for RK3228/RK3229 SoCs Disable IO function switching between sdmmc and jtag for RK3228 and RK3229 SoCs. Signed-off-by: Shawn Lin Signed-off-by: Heiko Stuebner --- drivers/soc/rockchip/grf.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/soc') diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c index 15e71fd6c513..dd81b87d79f0 100644 --- a/drivers/soc/rockchip/grf.c +++ b/drivers/soc/rockchip/grf.c @@ -43,6 +43,17 @@ static const struct rockchip_grf_info rk3036_grf __initconst = { .num_values = ARRAY_SIZE(rk3036_defaults), }; +#define RK3228_GRF_SOC_CON6 0x418 + +static const struct rockchip_grf_value rk3228_defaults[] __initconst = { + { "jtag switching", RK3228_GRF_SOC_CON6, HIWORD_UPDATE(0, 1, 8) }, +}; + +static const struct rockchip_grf_info rk3228_grf __initconst = { + .values = rk3228_defaults, + .num_values = ARRAY_SIZE(rk3228_defaults), +}; + #define RK3288_GRF_SOC_CON0 0x244 static const struct rockchip_grf_value rk3288_defaults[] __initconst = { @@ -91,6 +102,9 @@ static const struct of_device_id rockchip_grf_dt_match[] __initconst = { { .compatible = "rockchip,rk3036-grf", .data = (void *)&rk3036_grf, + }, { + .compatible = "rockchip,rk3228-grf", + .data = (void *)&rk3228_grf, }, { .compatible = "rockchip,rk3288-grf", .data = (void *)&rk3288_grf, -- cgit v1.2.3