[PATCH] soc: rockchip: disable jtag switching for RK3128 SoCs
Heiko Stuebner
heiko at sntech.de
Fri Mar 2 04:20:31 PST 2018
From: Xiao Yao <xiaoyao at rock-chips.com>
Disable IO function switching between sdmmc and jtag
for RK3128 SoCs.
Signed-off-by: Xiao Yao <xiaoyao at rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko at sntech.de>
---
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 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 = {
@@ -102,6 +113,9 @@ 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,
--
2.16.1
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