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authorOndrej Jirman <megi@xff.cz>2023-06-19 03:09:58 +0200
committerHeiko Stuebner <heiko@sntech.de>2023-08-16 23:26:49 +0200
commit6f6878ec6faf16a5f36761c93da6ea9cf09adb33 (patch)
tree6d787e7e127f7a7e03b924539f114c52405b862d /drivers/soc/rockchip/grf.c
parent480a5794949cb853b933193f99df4f59bcb9d336 (diff)
soc: rockchip: grf: Fix SDMMC not working on RK3588 with bus-width > 1
RK3588 has the same issue as other earlier RK SoCs. JTAG functionality muxed to some SDMMC data pins causes issues with SDMMC interface. Without this patch, I can only use SDMMC inteface with bus-width = <1>. (JTAG is muxed to data pins D2 and D3) Signed-off-by: Ondrej Jirman <megi@xff.cz> Link: https://lore.kernel.org/r/20230619011002.2249960-1-megi@xff.cz Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'drivers/soc/rockchip/grf.c')
-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 15a3970e3509..d768c5a70174 100644
--- a/drivers/soc/rockchip/grf.c
+++ b/drivers/soc/rockchip/grf.c
@@ -121,6 +121,17 @@ static const struct rockchip_grf_info rk3566_pipegrf __initconst = {
.num_values = ARRAY_SIZE(rk3566_defaults),
};
+#define RK3588_GRF_SOC_CON6 0x0318
+
+static const struct rockchip_grf_value rk3588_defaults[] __initconst = {
+ { "jtag switching", RK3588_GRF_SOC_CON6, HIWORD_UPDATE(0, 1, 14) },
+};
+
+static const struct rockchip_grf_info rk3588_sysgrf __initconst = {
+ .values = rk3588_defaults,
+ .num_values = ARRAY_SIZE(rk3588_defaults),
+};
+
static const struct of_device_id rockchip_grf_dt_match[] __initconst = {
{
@@ -147,6 +158,9 @@ static const struct of_device_id rockchip_grf_dt_match[] __initconst = {
}, {
.compatible = "rockchip,rk3566-pipe-grf",
.data = (void *)&rk3566_pipegrf,
+ }, {
+ .compatible = "rockchip,rk3588-sys-grf",
+ .data = (void *)&rk3588_sysgrf,
},
{ /* sentinel */ },
};