linux-kernel - [PATCH v3 2/3] pinctrl: Ingenic: Correct the pullup and pulldown parameters of JZ4780

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Date:   Sat, 12 Sep 2020 14:04:24 +0800
From:   周琰杰 (Zhou Yanjie) 
        <zhouyanjie@...yeetech.com>
To:     linus.walleij@...aro.org, paul@...pouillou.net
Cc:     linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        dongsheng.qiu@...enic.com, aric.pzqi@...enic.com,
        rick.tyliu@...enic.com, yanfei.li@...enic.com,
        sernia.zhou@...mail.com, zhenwenjin@...il.com
Subject: [PATCH v3 2/3] pinctrl: Ingenic: Correct the pullup and pulldown parameters of JZ4780

Correct the pullup and pulldown parameters of JZ4780 to make them
consistent with the parameters on the datasheet.

Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
---

Notes:
    v2:
    New patch.
    
    v2->v3:
    Fix bug about PE15's pull-up parameter.

 drivers/pinctrl/pinctrl-ingenic.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index 00f29fd684fa..d5ac8489ba3d 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -1035,6 +1035,14 @@ static const struct ingenic_chip_info jz4770_chip_info = {
 	.pull_downs = jz4770_pull_downs,
 };
 
+static const u32 jz4780_pull_ups[6] = {
+	0x3fffffff, 0xfff0f3fc, 0x0fffffff, 0xffff4fff, 0xfffffb7c, 0x7fa7f00f,
+};
+
+static const u32 jz4780_pull_downs[6] = {
+	0x00000000, 0x000f0c03, 0x00000000, 0x0000b000, 0x00000483, 0x00580ff0,
+};
+
 static int jz4780_uart2_data_pins[] = { 0x66, 0x67, };
 static int jz4780_uart2_hwflow_pins[] = { 0x65, 0x64, };
 static int jz4780_uart4_data_pins[] = { 0x54, 0x4a, };
@@ -1301,8 +1309,8 @@ static const struct ingenic_chip_info jz4780_chip_info = {
 	.num_groups = ARRAY_SIZE(jz4780_groups),
 	.functions = jz4780_functions,
 	.num_functions = ARRAY_SIZE(jz4780_functions),
-	.pull_ups = jz4770_pull_ups,
-	.pull_downs = jz4770_pull_downs,
+	.pull_ups = jz4780_pull_ups,
+	.pull_downs = jz4780_pull_downs,
 };
 
 static const u32 x1000_pull_ups[4] = {
-- 
2.11.0