Disable IO function switching between sdmmc and jtag
for RK3328 Soc.
Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
---
drivers/soc/rockchip/grf.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c
index d61db34..15e71fd 100644
--- a/drivers/soc/rockchip/grf.c
+++ b/drivers/soc/rockchip/grf.c
@@ -54,6 +54,17 @@ struct rockchip_grf_info {
.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 @@ struct rockchip_grf_info {
.compatible = "rockchip,rk3288-grf",
.data = (void *)&rk3288_grf,
}, {
+ .compatible = "rockchip,rk3328-grf",
+ .data = (void *)&rk3328_grf,
+ }, {
.compatible = "rockchip,rk3368-grf",
.data = (void *)&rk3368_grf,
}, {
--
1.9.1
