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authorXiao Yao <xiaoyao@rock-chips.com>2018-01-18 12:56:45 +0300
committerHeiko Stuebner <heiko@sntech.de>2018-03-05 21:42:23 +0300
commit6e61c891a0bbe3cede4157b4ecdfbd1617098b5a (patch)
treead28261b9d9e554aa21387e401da2369791d293f /drivers/soc/rockchip
parente17ee5f08b9849b9f80fadab96364121c6bdd207 (diff)
downloadlinux-6e61c891a0bbe3cede4157b4ecdfbd1617098b5a.tar.xz
soc: rockchip: disable jtag switching for RK3128 SoCs
Disable IO function switching between sdmmc and jtag for RK3128 SoCs. Signed-off-by: Xiao Yao <xiaoyao@rock-chips.com> Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'drivers/soc/rockchip')
-rw-r--r--drivers/soc/rockchip/grf.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c
index dd81b87d79f0..96882ffde67e 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 RK3128_GRF_SOC_CON0 0x140
+
+static const struct rockchip_grf_value rk3128_defaults[] __initconst = {
+ { "jtag switching", RK3128_GRF_SOC_CON0, HIWORD_UPDATE(0, 1, 8) },
+};
+
+static const struct rockchip_grf_info rk3128_grf __initconst = {
+ .values = rk3128_defaults,
+ .num_values = ARRAY_SIZE(rk3128_defaults),
+};
+
#define RK3228_GRF_SOC_CON6 0x418
static const struct rockchip_grf_value rk3228_defaults[] __initconst = {
@@ -103,6 +114,9 @@ static const struct of_device_id rockchip_grf_dt_match[] __initconst = {
.compatible = "rockchip,rk3036-grf",
.data = (void *)&rk3036_grf,
}, {
+ .compatible = "rockchip,rk3128-grf",
+ .data = (void *)&rk3128_grf,
+ }, {
.compatible = "rockchip,rk3228-grf",
.data = (void *)&rk3228_grf,
}, {