[PATCH] soc: rockchip: disable jtag switching for RK3328 Soc

Shawn Lin shawn.lin at rock-chips.com
Thu May 25 00:58:24 PDT 2017


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





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