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authorShawn Lin <shawn.lin@rock-chips.com>2017-05-25 10:58:24 +0300
committerHeiko Stuebner <heiko@sntech.de>2017-07-16 18:08:12 +0300
commit887758c325487ac747e03d552de42ec0ceaf214d (patch)
tree67574f881bf075705f0cc9c739a9b6362e0cd889 /drivers/soc
parent5771a8c08880cdca3bfb4a3fc6d309d6bba20877 (diff)
downloadlinux-887758c325487ac747e03d552de42ec0ceaf214d.tar.xz
soc: rockchip: disable jtag switching for RK3328 Soc
Disable IO function switching between sdmmc and jtag for RK3328 Soc. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'drivers/soc')
-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 d61db34ad6dd..15e71fd6c513 100644
--- a/drivers/soc/rockchip/grf.c
+++ b/drivers/soc/rockchip/grf.c
@@ -54,6 +54,17 @@ static const struct rockchip_grf_info rk3288_grf __initconst = {
.num_values = ARRAY_SIZE(rk3288_defaults),
};
+#define RK3328_GRF_SOC_CON4 0x410
+
+static const struct rockchip_grf_value rk3328_defaults[] __initconst = {
+ { "jtag switching", RK3328_GRF_SOC_CON4, HIWORD_UPDATE(0, 1, 12) },
+};
+
+static const struct rockchip_grf_info rk3328_grf __initconst = {
+ .values = rk3328_defaults,
+ .num_values = ARRAY_SIZE(rk3328_defaults),
+};
+
#define RK3368_GRF_SOC_CON15 0x43c
static const struct rockchip_grf_value rk3368_defaults[] __initconst = {
@@ -84,6 +95,9 @@ static const struct of_device_id rockchip_grf_dt_match[] __initconst = {
.compatible = "rockchip,rk3288-grf",
.data = (void *)&rk3288_grf,
}, {
+ .compatible = "rockchip,rk3328-grf",
+ .data = (void *)&rk3328_grf,
+ }, {
.compatible = "rockchip,rk3368-grf",
.data = (void *)&rk3368_grf,
}, {