ARM: ux500: move AB8500 GPIOs to device tree
Move the AB8500 muxing and biasing settings over from the board
file to the device tree, include it in the reference designs using
the AB8500: HREF prior to v60, v60plus and Snowball. Set up these
GPIO lines using hogs, just like in the board file.
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/boot/dts/ste-href-ab8500.dtsi b/arch/arm/boot/dts/ste-href-ab8500.dtsi
new file mode 100644
index 0000000..58b00d0
--- /dev/null
+++ b/arch/arm/boot/dts/ste-href-ab8500.dtsi
@@ -0,0 +1,253 @@
+/*
+ * Copyright 2014 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/ {
+ soc {
+ prcmu@80157000 {
+ ab8500 {
+ ab8500-gpio {
+ /* Hog a few default settings */
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio2_default_mode>,
+ <&gpio4_default_mode>,
+ <&gpio10_default_mode>,
+ <&gpio11_default_mode>,
+ <&gpio12_default_mode>,
+ <&gpio13_default_mode>,
+ <&gpio16_default_mode>,
+ <&gpio24_default_mode>,
+ <&gpio25_default_mode>,
+ <&gpio36_default_mode>,
+ <&gpio37_default_mode>,
+ <&gpio38_default_mode>,
+ <&gpio39_default_mode>,
+ <&gpio42_default_mode>,
+ <&gpio26_default_mode>,
+ <&gpio35_default_mode>;
+
+ /*
+ * Pins 2, 4, 10, 11, 12, 13, 16, 24, 25, 36, 37, 38, 39 and 42
+ * are muxed in as GPIO, and configured as INPUT PULL DOWN
+ */
+ gpio2 {
+ gpio2_default_mode: gpio2_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio2_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO2_T9";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio4 {
+ gpio4_default_mode: gpio4_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio4_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO4_W2";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio10 {
+ gpio10_default_mode: gpio10_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio10_d_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO10_U17";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio11 {
+ gpio11_default_mode: gpio11_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio11_d_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO11_AA18";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio12 {
+ gpio12_default_mode: gpio12_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio12_d_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO12_U16";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio13 {
+ gpio13_default_mode: gpio13_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio13_d_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO13_W17";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio16 {
+ gpio16_default_mode: gpio16_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio16_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO16_F15";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio24 {
+ gpio24_default_mode: gpio24_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio24_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO24_T14";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio25 {
+ gpio25_default_mode: gpio25_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio25_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO25_R16";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio36 {
+ gpio36_default_mode: gpio36_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio36_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO36_A17";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio37 {
+ gpio37_default_mode: gpio37_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio37_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO37_E15";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio38 {
+ gpio38_default_mode: gpio38_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio38_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO38_C17";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio39 {
+ gpio39_default_mode: gpio39_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio39_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO39_E16";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ gpio42 {
+ gpio42_default_mode: gpio42_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio42_a_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO42_U2";
+ input-enable;
+ bias-pull-down;
+ };
+ };
+ };
+ /*
+ * Pins 26 and 35 muxed in as GPIO, and configured as OUTPUT LOW
+ */
+ gpio26 {
+ gpio26_default_mode: gpio26_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio26_d_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO26_M16";
+ output-low;
+ };
+ };
+ };
+ gpio35 {
+ gpio35_default_mode: gpio35_default {
+ default_mux {
+ ste,function = "gpio";
+ ste,pins = "gpio35_d_1";
+ };
+ default_cfg {
+ ste,pins = "GPIO35_W15";
+ output-low;
+ };
+ };
+ };
+ };
+ };
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/ste-hrefprev60.dtsi b/arch/arm/boot/dts/ste-hrefprev60.dtsi
index 40f0ecd..abc762e 100644
--- a/arch/arm/boot/dts/ste-hrefprev60.dtsi
+++ b/arch/arm/boot/dts/ste-hrefprev60.dtsi
@@ -12,6 +12,7 @@
*/
#include "ste-dbx5x0.dtsi"
+#include "ste-href-ab8500.dtsi"
#include "ste-href.dtsi"
/ {
diff --git a/arch/arm/boot/dts/ste-hrefv60plus.dtsi b/arch/arm/boot/dts/ste-hrefv60plus.dtsi
index 3b6d118..c234106 100644
--- a/arch/arm/boot/dts/ste-hrefv60plus.dtsi
+++ b/arch/arm/boot/dts/ste-hrefv60plus.dtsi
@@ -10,6 +10,7 @@
*/
#include "ste-dbx5x0.dtsi"
+#include "ste-href-ab8500.dtsi"
#include "ste-href.dtsi"
/ {
diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts
index 97d5d21..a2f632d 100644
--- a/arch/arm/boot/dts/ste-snowball.dts
+++ b/arch/arm/boot/dts/ste-snowball.dts
@@ -11,6 +11,7 @@
/dts-v1/;
#include "ste-dbx5x0.dtsi"
+#include "ste-href-ab8500.dtsi"
#include "ste-href-family-pinctrl.dtsi"
/ {
diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index f63619b..1392980 100644
--- a/arch/arm/mach-ux500/board-mop500-pins.c
+++ b/arch/arm/mach-ux500/board-mop500-pins.c
@@ -18,7 +18,6 @@
/* These simply sets bias for pins */
#define BIAS(a,b) static unsigned long a[] = { b }
-BIAS(abx500_out_lo, PIN_CONF_PACKED(PIN_CONFIG_OUTPUT, 0));
BIAS(abx500_in_pd, PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_DOWN, 1));
BIAS(abx500_in_nopull, PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_DOWN, 0));
@@ -50,10 +49,6 @@
AB8500_MUX_STATE("gpio1_a_1", "gpio", "regulator.35", PINCTRL_STATE_SLEEP),
AB8500_PIN_STATE("GPIO1_T10", in_pd, "regulator.35", PINCTRL_STATE_SLEEP),
- /* pins 2 is muxed in GPIO, configured in INPUT PULL DOWN */
- AB8500_MUX_HOG("gpio2_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO2_T9", in_pd),
-
/* Sysclkreq4 */
AB8500_MUX_STATE("sysclkreq4_d_1", "sysclkreq", "regulator.36", PINCTRL_STATE_DEFAULT),
AB8500_PIN_STATE("GPIO3_U9", in_nopull, "regulator.36", PINCTRL_STATE_DEFAULT),
@@ -61,10 +56,6 @@
AB8500_MUX_STATE("gpio3_a_1", "gpio", "regulator.36", PINCTRL_STATE_SLEEP),
AB8500_PIN_STATE("GPIO3_U9", in_pd, "regulator.36", PINCTRL_STATE_SLEEP),
- /* pins 4 is muxed in GPIO, configured in INPUT PULL DOWN */
- AB8500_MUX_HOG("gpio4_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO4_W2", in_pd),
-
/*
* pins 6,7,8 and 9 are muxed in YCBCR0123
* configured in INPUT PULL UP
@@ -76,22 +67,6 @@
AB8500_PIN_HOG("GPIO9_AA19", in_nopull),
/*
- * pins 10,11,12 and 13 are muxed in GPIO
- * configured in INPUT PULL DOWN
- */
- AB8500_MUX_HOG("gpio10_d_1", "gpio"),
- AB8500_PIN_HOG("GPIO10_U17", in_pd),
-
- AB8500_MUX_HOG("gpio11_d_1", "gpio"),
- AB8500_PIN_HOG("GPIO11_AA18", in_pd),
-
- AB8500_MUX_HOG("gpio12_d_1", "gpio"),
- AB8500_PIN_HOG("GPIO12_U16", in_pd),
-
- AB8500_MUX_HOG("gpio13_d_1", "gpio"),
- AB8500_PIN_HOG("GPIO13_W17", in_pd),
-
- /*
* pins 14,15 are muxed in PWM1 and PWM2
* configured in INPUT PULL DOWN
*/
@@ -102,13 +77,6 @@
AB8500_PIN_HOG("GPIO15_B17", in_pd),
/*
- * pins 16 is muxed in GPIO
- * configured in INPUT PULL DOWN
- */
- AB8500_MUX_HOG("gpio16_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO14_F14", in_pd),
-
- /*
* pins 17,18,19 and 20 are muxed in AUDIO interface 1
* configured in INPUT PULL DOWN
*/
@@ -128,23 +96,6 @@
AB8500_PIN_HOG("GPIO23_G19", in_pd),
/*
- * pins 24,25 are muxed in GPIO
- * configured in INPUT PULL DOWN
- */
- AB8500_MUX_HOG("gpio24_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO24_T14", in_pd),
-
- AB8500_MUX_HOG("gpio25_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO25_R16", in_pd),
-
- /*
- * pins 26 is muxed in GPIO
- * configured in OUTPUT LOW
- */
- AB8500_MUX_HOG("gpio26_d_1", "gpio"),
- AB8500_PIN_HOG("GPIO26_M16", out_lo),
-
- /*
* pins 27,28 are muxed in DMIC12
* configured in INPUT PULL DOWN
*/
@@ -176,42 +127,12 @@
AB8500_PIN_HOG("GPIO34_R17", in_pd),
/*
- * pins 35 is muxed in GPIO
- * configured in OUTPUT LOW
- */
- AB8500_MUX_HOG("gpio35_d_1", "gpio"),
- AB8500_PIN_HOG("GPIO35_W15", in_pd),
-
- /*
- * pins 36,37,38 and 39 are muxed in GPIO
- * configured in INPUT PULL DOWN
- */
- AB8500_MUX_HOG("gpio36_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO36_A17", in_pd),
-
- AB8500_MUX_HOG("gpio37_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO37_E15", in_pd),
-
- AB8500_MUX_HOG("gpio38_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO38_C17", in_pd),
-
- AB8500_MUX_HOG("gpio39_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO39_E16", in_pd),
-
- /*
* pins 40 and 41 are muxed in MODCSLSDA
* configured INPUT PULL DOWN
*/
AB8500_MUX_HOG("modsclsda_d_1", "modsclsda"),
AB8500_PIN_HOG("GPIO40_T19", in_pd),
AB8500_PIN_HOG("GPIO41_U19", in_pd),
-
- /*
- * pins 42 is muxed in GPIO
- * configured INPUT PULL DOWN
- */
- AB8500_MUX_HOG("gpio42_a_1", "gpio"),
- AB8500_PIN_HOG("GPIO42_U2", in_pd),
};
static struct pinctrl_map __initdata ab8505_pinmap[] = {