summaryrefslogtreecommitdiffstats
path: root/drivers/pinctrl/aspeed
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/aspeed')
-rw-r--r--drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c19
-rw-r--r--drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c19
-rw-r--r--drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c7
3 files changed, 28 insertions, 17 deletions
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c
index bfed0e2746..774f8d0514 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g4.c
@@ -2563,15 +2563,20 @@ static int aspeed_g4_sig_expr_set(struct aspeed_pinmux_data *ctx,
* deconfigured and is the reason we re-evaluate after writing
* all descriptor bits.
*
- * Port D and port E GPIO loopback modes are the only exception
- * as those are commonly used with front-panel buttons to allow
- * normal operation of the host when the BMC is powered off or
- * fails to boot. Once the BMC has booted, the loopback mode
- * must be disabled for the BMC to control host power-on and
- * reset.
+ * We make two exceptions to the read-only rule:
+ *
+ * - The passthrough mode of GPIO ports D and E are commonly
+ * used with front-panel buttons to allow normal operation
+ * of the host if the BMC is powered off or fails to boot.
+ * Once the BMC has booted, the loopback mode must be
+ * disabled for the BMC to control host power-on and reset.
+ *
+ * - The operating mode of the SPI1 interface is simply
+ * strapped incorrectly on some systems and requires a
+ * software fixup, which we allow to be done via pinctrl.
*/
if (desc->ip == ASPEED_IP_SCU && desc->reg == HW_STRAP1 &&
- !(desc->mask & (BIT(21) | BIT(22))))
+ !(desc->mask & (BIT(22) | BIT(21) | BIT(13) | BIT(12))))
continue;
if (desc->ip == ASPEED_IP_SCU && desc->reg == HW_STRAP2)
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
index 4c0d26606b..5bb8fd0d1e 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
@@ -2742,15 +2742,20 @@ static int aspeed_g5_sig_expr_set(struct aspeed_pinmux_data *ctx,
* deconfigured and is the reason we re-evaluate after writing
* all descriptor bits.
*
- * Port D and port E GPIO loopback modes are the only exception
- * as those are commonly used with front-panel buttons to allow
- * normal operation of the host when the BMC is powered off or
- * fails to boot. Once the BMC has booted, the loopback mode
- * must be disabled for the BMC to control host power-on and
- * reset.
+ * We make two exceptions to the read-only rule:
+ *
+ * - The passthrough mode of GPIO ports D and E are commonly
+ * used with front-panel buttons to allow normal operation
+ * of the host if the BMC is powered off or fails to boot.
+ * Once the BMC has booted, the loopback mode must be
+ * disabled for the BMC to control host power-on and reset.
+ *
+ * - The operating mode of the SPI1 interface is simply
+ * strapped incorrectly on some systems and requires a
+ * software fixup, which we allow to be done via pinctrl.
*/
if (desc->ip == ASPEED_IP_SCU && desc->reg == HW_STRAP1 &&
- !(desc->mask & (BIT(21) | BIT(22))))
+ !(desc->mask & (BIT(22) | BIT(21) | BIT(13) | BIT(12))))
continue;
if (desc->ip == ASPEED_IP_SCU && desc->reg == HW_STRAP2)
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
index 80838dc54b..d376fa7114 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
@@ -1592,9 +1592,10 @@ SIG_EXPR_LIST_DECL_SEMG(A4, USB2ADPDP, USBA, USB2ADP, USB2ADP_DESC,
SIG_DESC_SET(SCUC20, 16));
SIG_EXPR_LIST_DECL_SEMG(A4, USB2ADDP, USBA, USB2AD, USB2AD_DESC);
SIG_EXPR_LIST_DECL_SEMG(A4, USB2AHDP, USBA, USB2AH, USB2AH_DESC);
-SIG_EXPR_LIST_DECL_SEMG(A4, USB2AHPDP, USBA, USB2AHP, USB2AHP_DESC);
+SIG_EXPR_LIST_DECL_SEMG(A4, USB2AHPDP, USBA, USB2AHP, USB2AHP_DESC,
+ SIG_DESC_SET(SCUC20, 16));
PIN_DECL_(A4, SIG_EXPR_LIST_PTR(A4, USB2ADPDP), SIG_EXPR_LIST_PTR(A4, USB2ADDP),
- SIG_EXPR_LIST_PTR(A4, USB2AHDP));
+ SIG_EXPR_LIST_PTR(A4, USB2AHDP), SIG_EXPR_LIST_PTR(A4, USB2AHPDP));
#define B4 253
SIG_EXPR_LIST_DECL_SEMG(B4, USB2ADPDN, USBA, USB2ADP, USB2ADP_DESC);
@@ -1602,7 +1603,7 @@ SIG_EXPR_LIST_DECL_SEMG(B4, USB2ADDN, USBA, USB2AD, USB2AD_DESC);
SIG_EXPR_LIST_DECL_SEMG(B4, USB2AHDN, USBA, USB2AH, USB2AH_DESC);
SIG_EXPR_LIST_DECL_SEMG(B4, USB2AHPDN, USBA, USB2AHP, USB2AHP_DESC);
PIN_DECL_(B4, SIG_EXPR_LIST_PTR(B4, USB2ADPDN), SIG_EXPR_LIST_PTR(B4, USB2ADDN),
- SIG_EXPR_LIST_PTR(B4, USB2AHDN));
+ SIG_EXPR_LIST_PTR(B4, USB2AHDN), SIG_EXPR_LIST_PTR(B4, USB2AHPDN));
GROUP_DECL(USBA, A4, B4);