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Date: Tue, 18 Jul 2017 14:54:53 +0930
From: Andrew Jeffery <andrew@...id.au>
To: linus.walleij@...aro.org
Cc: Andrew Jeffery <andrew@...id.au>, robh+dt@...nel.org,
mark.rutland@....com, joel@....id.au, benh@...nel.crashing.org,
ryan_chen@...eedtech.com, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-aspeed@...ts.ozlabs.org
Subject: [PATCH v2 4/4] pinctrl: aspeed: g5: Add USB device and host support
Implement the AST2500 USB functions as described by the devicetree
bindings. The AST2500 exposes five USB controllers through two USB
ports. Similar to the AST2400, the pins exposing USB are outliers with
respect to the rest of the pinmux as they not capable of GPIO.
Signed-off-by: Andrew Jeffery <andrew@...id.au>
---
drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c | 58 +++++++++++++++++++++++++++++-
1 file changed, 57 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
index 68aa04664a62..634b371da43a 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c
@@ -25,7 +25,7 @@
#include "../pinctrl-utils.h"
#include "pinctrl-aspeed.h"
-#define ASPEED_G5_NR_PINS 232
+#define ASPEED_G5_NR_PINS 236
#define COND1 { ASPEED_IP_SCU, SCU90, BIT(6), 0, 0 }
#define COND2 { ASPEED_IP_SCU, SCU94, GENMASK(1, 0), 0, 0 }
@@ -1724,6 +1724,48 @@ FUNC_GROUP_DECL(LPCRST, G22);
FUNC_GROUP_DECL(ESPI, G21, G20, D22, E22, C22, F21, F22, G22);
+#define A7 232
+SIG_EXPR_LIST_DECL_SINGLE(USB2AHDP, USB2AH, SIG_DESC_SET(SCU90, 29));
+SIG_EXPR_LIST_DECL_SINGLE(USB2ADDP, USB2AD, SIG_DESC_BIT(SCU90, 29, 0));
+MS_PIN_DECL_(A7, SIG_EXPR_LIST_PTR(USB2AHDP), SIG_EXPR_LIST_PTR(USB2ADDP));
+
+#define A8 233
+SIG_EXPR_LIST_DECL_SINGLE(USB2AHDN, USB2AH, SIG_DESC_SET(SCU90, 29));
+SIG_EXPR_LIST_DECL_SINGLE(USB2ADDN, USB2AD, SIG_DESC_BIT(SCU90, 29, 0));
+MS_PIN_DECL_(A8, SIG_EXPR_LIST_PTR(USB2AHDN), SIG_EXPR_LIST_PTR(USB2ADDN));
+
+FUNC_GROUP_DECL(USB2AH, A7, A8);
+FUNC_GROUP_DECL(USB2AD, A7, A8);
+
+#define USB11BHID_DESC { ASPEED_IP_SCU, SCU94, GENMASK(14, 13), 0, 0 }
+#define USB2BD_DESC { ASPEED_IP_SCU, SCU94, GENMASK(14, 13), 1, 0 }
+#define USB2BH1_DESC { ASPEED_IP_SCU, SCU94, GENMASK(14, 13), 2, 0 }
+#define USB2BH2_DESC { ASPEED_IP_SCU, SCU94, GENMASK(14, 13), 3, 0 }
+
+#define B6 234
+SIG_EXPR_LIST_DECL_SINGLE(USB11BDP, USB11BHID, USB11BHID_DESC);
+SIG_EXPR_LIST_DECL_SINGLE(USB2BDDP, USB2BD, USB2BD_DESC);
+SIG_EXPR_DECL(USB2BHDP1, USB2BH, USB2BH1_DESC);
+SIG_EXPR_DECL(USB2BHDP2, USB2BH, USB2BH2_DESC);
+SIG_EXPR_LIST_DECL(USB2BHDP, SIG_EXPR_PTR(USB2BHDP1, USB2BH),
+ SIG_EXPR_PTR(USB2BHDP2, USB2BH));
+MS_PIN_DECL_(B6, SIG_EXPR_LIST_PTR(USB11BDP), SIG_EXPR_LIST_PTR(USB2BDDP),
+ SIG_EXPR_LIST_PTR(USB2BHDP));
+
+#define A6 235
+SIG_EXPR_LIST_DECL_SINGLE(USB11BDN, USB11BHID, USB11BHID_DESC);
+SIG_EXPR_LIST_DECL_SINGLE(USB2BDN, USB2BD, USB2BD_DESC);
+SIG_EXPR_DECL(USB2BHDN1, USB2BH, USB2BH1_DESC);
+SIG_EXPR_DECL(USB2BHDN2, USB2BH, USB2BH2_DESC);
+SIG_EXPR_LIST_DECL(USB2BHDN, SIG_EXPR_PTR(USB2BHDN1, USB2BH),
+ SIG_EXPR_PTR(USB2BHDN2, USB2BH));
+MS_PIN_DECL_(A6, SIG_EXPR_LIST_PTR(USB11BDN), SIG_EXPR_LIST_PTR(USB2BDN),
+ SIG_EXPR_LIST_PTR(USB2BHDN));
+
+FUNC_GROUP_DECL(USB11BHID, B6, A6);
+FUNC_GROUP_DECL(USB2BD, B6, A6);
+FUNC_GROUP_DECL(USB2BH, B6, A6);
+
/* Pins, groups and functions are sort(1):ed alphabetically for sanity */
static struct pinctrl_pin_desc aspeed_g5_pins[ASPEED_G5_NR_PINS] = {
@@ -1743,6 +1785,9 @@ static struct pinctrl_pin_desc aspeed_g5_pins[ASPEED_G5_NR_PINS] = {
ASPEED_PINCTRL_PIN(A3),
ASPEED_PINCTRL_PIN(A4),
ASPEED_PINCTRL_PIN(A5),
+ ASPEED_PINCTRL_PIN(A6),
+ ASPEED_PINCTRL_PIN(A7),
+ ASPEED_PINCTRL_PIN(A8),
ASPEED_PINCTRL_PIN(A9),
ASPEED_PINCTRL_PIN(AA1),
ASPEED_PINCTRL_PIN(AA19),
@@ -1777,6 +1822,7 @@ static struct pinctrl_pin_desc aspeed_g5_pins[ASPEED_G5_NR_PINS] = {
ASPEED_PINCTRL_PIN(B3),
ASPEED_PINCTRL_PIN(B4),
ASPEED_PINCTRL_PIN(B5),
+ ASPEED_PINCTRL_PIN(B6),
ASPEED_PINCTRL_PIN(B9),
ASPEED_PINCTRL_PIN(C1),
ASPEED_PINCTRL_PIN(C11),
@@ -2111,6 +2157,11 @@ static const struct aspeed_pin_group aspeed_g5_groups[] = {
ASPEED_PINCTRL_GROUP(TXD3),
ASPEED_PINCTRL_GROUP(TXD4),
ASPEED_PINCTRL_GROUP(UART6),
+ ASPEED_PINCTRL_GROUP(USB11BHID),
+ ASPEED_PINCTRL_GROUP(USB2AD),
+ ASPEED_PINCTRL_GROUP(USB2AH),
+ ASPEED_PINCTRL_GROUP(USB2BD),
+ ASPEED_PINCTRL_GROUP(USB2BH),
ASPEED_PINCTRL_GROUP(USBCKI),
ASPEED_PINCTRL_GROUP(VGABIOSROM),
ASPEED_PINCTRL_GROUP(VGAHS),
@@ -2275,6 +2326,11 @@ static const struct aspeed_pin_function aspeed_g5_functions[] = {
ASPEED_PINCTRL_FUNC(TXD3),
ASPEED_PINCTRL_FUNC(TXD4),
ASPEED_PINCTRL_FUNC(UART6),
+ ASPEED_PINCTRL_FUNC(USB11BHID),
+ ASPEED_PINCTRL_FUNC(USB2AD),
+ ASPEED_PINCTRL_FUNC(USB2AH),
+ ASPEED_PINCTRL_FUNC(USB2BD),
+ ASPEED_PINCTRL_FUNC(USB2BH),
ASPEED_PINCTRL_FUNC(USBCKI),
ASPEED_PINCTRL_FUNC(VGABIOSROM),
ASPEED_PINCTRL_FUNC(VGAHS),
--
2.11.0
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