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Date: Tue, 22 Aug 2017 16:54:55 +0800
From: David Wu <david.wu@...k-chips.com>
To: heiko@...ech.de, linus.walleij@...aro.org
Cc: huangtao@...k-chips.com, andy.yan@...k-chips.com,
linux-rockchip@...ts.infradead.org, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org, David Wu <david.wu@...k-chips.com>
Subject: [PATCH] pinctrl: rockchip: Add rv1108 recalced iomux support
The pins from GPIO1A0 to GPIO1B1 are special, need to recalculate
iomux. And the register offset is larger than the u8 range, so changed
to u32.
Signed-off-by: David Wu <david.wu@...k-chips.com>
---
drivers/pinctrl/pinctrl-rockchip.c | 68 +++++++++++++++++++++++++++++++++++++-
1 file changed, 67 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index c6f472e..9f411b5 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -301,7 +301,7 @@ struct rockchip_pin_bank {
struct rockchip_mux_recalced_data {
u8 num;
u8 pin;
- u8 reg;
+ u32 reg;
u8 bit;
u8 mask;
};
@@ -614,6 +614,70 @@ static void rockchip_dt_free_map(struct pinctrl_dev *pctldev,
},
};
+static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = {
+ {
+ .num = 1,
+ .pin = 0,
+ .reg = 0x418,
+ .bit = 0,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 1,
+ .reg = 0x418,
+ .bit = 2,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 2,
+ .reg = 0x418,
+ .bit = 4,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 3,
+ .reg = 0x418,
+ .bit = 6,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 4,
+ .reg = 0x418,
+ .bit = 8,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 5,
+ .reg = 0x418,
+ .bit = 10,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 6,
+ .reg = 0x418,
+ .bit = 12,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 7,
+ .reg = 0x418,
+ .bit = 14,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 8,
+ .reg = 0x41c,
+ .bit = 0,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 9,
+ .reg = 0x41c,
+ .bit = 2,
+ .mask = 0x3
+ },
+};
+
static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin,
int *reg, u8 *bit, int *mask)
{
@@ -3162,6 +3226,8 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev)
.type = RV1108,
.grf_mux_offset = 0x10,
.pmu_mux_offset = 0x0,
+ .iomux_recalced = rv1108_mux_recalced_data,
+ .niomux_recalced = ARRAY_SIZE(rv1108_mux_recalced_data),
.pull_calc_reg = rv1108_calc_pull_reg_and_bit,
.drv_calc_reg = rv1108_calc_drv_reg_and_bit,
.schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit,
--
1.9.1
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