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Message-Id: <20180729182551.19383-3-sravanhome@gmail.com>
Date: Sun, 29 Jul 2018 20:25:48 +0200
From: Saravanan Sekar <sravanhome@...il.com>
To: manivannan.sadhasivam@...aro.org, linus.walleij@...aro.org,
robh+dt@...nel.org, mark.rutland@....com, afaerber@...e.de,
catalin.marinas@....com, will.deacon@....com
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
pn@...x.de, mp-cs@...ions-semi.com, jeff.chen@...ions-semi.com,
thomas.liau@...ions-semi.com, linux@...ietech.com,
Saravanan Sekar <sravanhome@...il.com>
Subject: [PATCH v2 2/5] pinctrl: actions: define pad control configurtion to SoC specific
pad control for s900 and s700 are differs in number of
pull control configuraions
s900 has 4 pull controls - high impedence, pull up, pull down, repeater
s700, s500 has 2 pull controls - pull up and pull down
so pad control configuration has to SoC specific, moved out from pinctrl
common to s700, s900 specific.
Signed-off-by: Parthiban Nallathambi <pn@...x.de>
Signed-off-by: Saravanan Sekar <sravanhome@...il.com>
---
drivers/pinctrl/actions/pinctrl-owl.c | 64 ++++---------------------
drivers/pinctrl/actions/pinctrl-owl.h | 6 +++
drivers/pinctrl/actions/pinctrl-s900.c | 66 +++++++++++++++++++++++++-
3 files changed, 79 insertions(+), 57 deletions(-)
diff --git a/drivers/pinctrl/actions/pinctrl-owl.c b/drivers/pinctrl/actions/pinctrl-owl.c
index 4fa9cc377b3b..004bdc66e158 100644
--- a/drivers/pinctrl/actions/pinctrl-owl.c
+++ b/drivers/pinctrl/actions/pinctrl-owl.c
@@ -246,60 +246,6 @@ static int owl_pad_pinconf_reg(const struct owl_padinfo *info,
return 0;
}
-static int owl_pad_pinconf_arg2val(const struct owl_padinfo *info,
- unsigned int param,
- u32 *arg)
-{
- switch (param) {
- case PIN_CONFIG_BIAS_BUS_HOLD:
- *arg = OWL_PINCONF_PULL_HOLD;
- break;
- case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
- *arg = OWL_PINCONF_PULL_HIZ;
- break;
- case PIN_CONFIG_BIAS_PULL_DOWN:
- *arg = OWL_PINCONF_PULL_DOWN;
- break;
- case PIN_CONFIG_BIAS_PULL_UP:
- *arg = OWL_PINCONF_PULL_UP;
- break;
- case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
- *arg = (*arg >= 1 ? 1 : 0);
- break;
- default:
- return -ENOTSUPP;
- }
-
- return 0;
-}
-
-static int owl_pad_pinconf_val2arg(const struct owl_padinfo *padinfo,
- unsigned int param,
- u32 *arg)
-{
- switch (param) {
- case PIN_CONFIG_BIAS_BUS_HOLD:
- *arg = *arg == OWL_PINCONF_PULL_HOLD;
- break;
- case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
- *arg = *arg == OWL_PINCONF_PULL_HIZ;
- break;
- case PIN_CONFIG_BIAS_PULL_DOWN:
- *arg = *arg == OWL_PINCONF_PULL_DOWN;
- break;
- case PIN_CONFIG_BIAS_PULL_UP:
- *arg = *arg == OWL_PINCONF_PULL_UP;
- break;
- case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
- *arg = *arg == 1;
- break;
- default:
- return -ENOTSUPP;
- }
-
- return 0;
-}
-
static int owl_pin_config_get(struct pinctrl_dev *pctrldev,
unsigned int pin,
unsigned long *config)
@@ -318,7 +264,10 @@ static int owl_pin_config_get(struct pinctrl_dev *pctrldev,
arg = owl_read_field(pctrl, reg, bit, width);
- ret = owl_pad_pinconf_val2arg(info, param, &arg);
+ if (!pctrl->soc->padctl_val2arg)
+ return -ENOTSUPP;
+
+ ret = pctrl->soc->padctl_val2arg(info, param, &arg);
if (ret)
return ret;
@@ -349,7 +298,10 @@ static int owl_pin_config_set(struct pinctrl_dev *pctrldev,
if (ret)
return ret;
- ret = owl_pad_pinconf_arg2val(info, param, &arg);
+ if (!pctrl->soc->padctl_arg2val)
+ return -ENOTSUPP;
+
+ ret = pctrl->soc->padctl_arg2val(info, param, &arg);
if (ret)
return ret;
diff --git a/drivers/pinctrl/actions/pinctrl-owl.h b/drivers/pinctrl/actions/pinctrl-owl.h
index a7bcacad11d5..dae2e8363fd5 100644
--- a/drivers/pinctrl/actions/pinctrl-owl.h
+++ b/drivers/pinctrl/actions/pinctrl-owl.h
@@ -298,6 +298,12 @@ struct owl_pinctrl_soc_data {
unsigned int ngpios;
const struct owl_gpio_port *ports;
unsigned int nports;
+ int (*padctl_val2arg)(const struct owl_padinfo *padinfo,
+ unsigned int param,
+ u32 *arg);
+ int (*padctl_arg2val)(const struct owl_padinfo *info,
+ unsigned int param,
+ u32 *arg);
};
int owl_pinctrl_probe(struct platform_device *pdev,
diff --git a/drivers/pinctrl/actions/pinctrl-s900.c b/drivers/pinctrl/actions/pinctrl-s900.c
index 0597009d8369..2e19fecbe5e9 100644
--- a/drivers/pinctrl/actions/pinctrl-s900.c
+++ b/drivers/pinctrl/actions/pinctrl-s900.c
@@ -13,6 +13,7 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinconf-generic.h>
#include "pinctrl-owl.h"
/* Pinctrl registers offset */
@@ -1717,6 +1718,67 @@ static const struct owl_gpio_port s900_gpio_ports[] = {
OWL_GPIO_PORT(F, 0x00F0, 8, 0x0, 0x4, 0x8, 0x460, 0x140, 0x144, 0x178, 0)
};
+enum owl_pinconf_pull {
+ OWL_PINCONF_PULL_HIZ,
+ OWL_PINCONF_PULL_DOWN,
+ OWL_PINCONF_PULL_UP,
+ OWL_PINCONF_PULL_HOLD,
+};
+
+static int s900_pad_pinconf_arg2val(const struct owl_padinfo *info,
+ unsigned int param,
+ u32 *arg)
+{
+ switch (param) {
+ case PIN_CONFIG_BIAS_BUS_HOLD:
+ *arg = OWL_PINCONF_PULL_HOLD;
+ break;
+ case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
+ *arg = OWL_PINCONF_PULL_HIZ;
+ break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ *arg = OWL_PINCONF_PULL_DOWN;
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ *arg = OWL_PINCONF_PULL_UP;
+ break;
+ case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ *arg = (*arg >= 1 ? 1 : 0);
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static int s900_pad_pinconf_val2arg(const struct owl_padinfo *padinfo,
+ unsigned int param,
+ u32 *arg)
+{
+ switch (param) {
+ case PIN_CONFIG_BIAS_BUS_HOLD:
+ *arg = *arg == OWL_PINCONF_PULL_HOLD;
+ break;
+ case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
+ *arg = *arg == OWL_PINCONF_PULL_HIZ;
+ break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ *arg = *arg == OWL_PINCONF_PULL_DOWN;
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ *arg = *arg == OWL_PINCONF_PULL_UP;
+ break;
+ case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ *arg = *arg == 1;
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
static struct owl_pinctrl_soc_data s900_pinctrl_data = {
.padinfo = s900_padinfo,
.pins = (const struct pinctrl_pin_desc *)s900_pads,
@@ -1727,7 +1789,9 @@ static struct owl_pinctrl_soc_data s900_pinctrl_data = {
.ngroups = ARRAY_SIZE(s900_groups),
.ngpios = NUM_GPIOS,
.ports = s900_gpio_ports,
- .nports = ARRAY_SIZE(s900_gpio_ports)
+ .nports = ARRAY_SIZE(s900_gpio_ports),
+ .padctl_arg2val = s900_pad_pinconf_arg2val,
+ .padctl_val2arg = s900_pad_pinconf_val2arg,
};
static int s900_pinctrl_probe(struct platform_device *pdev)
--
2.18.0
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