Disable IO function switching between sdmmc and jtag
for RK3228 and RK3229 SoCs.
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 15e71fd..dd81b87 100644
--- a/drivers/soc/rockchip/grf.c
+++ b/drivers/soc/rockchip/grf.c
@@ -43,6 +43,17 @@ struct rockchip_grf_info {
.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 = {
@@ -92,6 +103,9 @@ struct rockchip_grf_info {
.compatible = "rockchip,rk3036-grf",
.data = (void *)&rk3036_grf,
}, {
+ .compatible = "rockchip,rk3228-grf",
+ .data = (void *)&rk3228_grf,
+ }, {
.compatible = "rockchip,rk3288-grf",
.data = (void *)&rk3288_grf,
}, {
--
1.9.1
