[PATCH 1/2] ARM: u8540: Add Pinctrl Device Tree settings for uart0, uart2

[PATCH 1/2] ARM: u8540: Add Pinctrl Device Tree settings for uart0, uart2

[Gabriel Fernandez]

From: Gabriel Fernandez <gabriel.fernandez@st.com>

This patch adds pinctrl device tree settings for uart0 and uart2
for ccu8540 board.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
---
 arch/arm/boot/dts/ccu8540-pinctrl.dtsi     | 81 +++++++++++++++++++++++++
 arch/arm/boot/dts/ccu8540.dts              | 11 ++++
 arch/arm/boot/dts/ste-nomadik-pinctrl.dtsi | 95 ++++++++++++++++++++++++++++++
 include/dt-bindings/pinctrl/nomadik.h      | 36 +++++++++++
 4 files changed, 223 insertions(+)
 create mode 100644 arch/arm/boot/dts/ccu8540-pinctrl.dtsi
 create mode 100644 arch/arm/boot/dts/ste-nomadik-pinctrl.dtsi
 create mode 100644 include/dt-bindings/pinctrl/nomadik.h

diff --git a/arch/arm/boot/dts/ccu8540-pinctrl.dtsi b/arch/arm/boot/dts/ccu8540-pinctrl.dtsi
new file mode 100644
index 0000000..644b189
--- /dev/null
+++ b/arch/arm/boot/dts/ccu8540-pinctrl.dtsi
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2012 ST-Ericsson
+ *
+ * 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
+ */
+#include "ste-nomadik-pinctrl.dtsi"
+
+/ {
+	soc {
+		pinctrl {
+			uart0 {
+				uart0_default_mux: uart0_mux {
+					default_mux {
+						ste,function = "u0";
+						ste,pins = "u0_a_1";
+					};
+				};
+
+				uart0_default_mode: uart0_default {
+					default_cfg1 {
+						ste,pins = "GPIO0", "GPIO2";
+						ste,config = <&in_pu>;
+					};
+
+					default_cfg2 {
+						ste,pins = "GPIO1", "GPIO3";
+						ste,config = <&out_hi>;
+					};
+				};
+
+				uart0_sleep_mode: uart0_sleep {
+					sleep_cfg1 {
+						ste,pins = "GPIO0", "GPIO2";
+						ste,config = <&slpm_in_pu>;
+					};
+
+					sleep_cfg2 {
+						ste,pins = "GPIO1", "GPIO3";
+						ste,config = <&slpm_out_hi>;
+					};
+				};
+			};
+
+			uart2 {
+				uart2_default_mode: uart2_default {
+					default_mux {
+						ste,function = "u2";
+						ste,pins = "u2txrx_a_1";
+					};
+
+					default_cfg1 {
+						ste,pins = "GPIO120";
+						ste,config = <&in_pu>;
+					};
+
+					default_cfg2 {
+						ste,pins = "GPIO121";
+						ste,config = <&out_hi>;
+					};
+				};
+
+				uart2_sleep_mode: uart2_sleep {
+					sleep_cfg1 {
+						ste,pins = "GPIO120";
+						ste,config = <&slpm_in_pu>;
+					};
+
+					sleep_cfg2 {
+						ste,pins = "GPIO121";
+						ste,config = <&slpm_out_hi>;
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/ccu8540.dts b/arch/arm/boot/dts/ccu8540.dts
index 48ff034..3065fe4 100644
--- a/arch/arm/boot/dts/ccu8540.dts
+++ b/arch/arm/boot/dts/ccu8540.dts
@@ -11,6 +11,7 @@
 
 /dts-v1/;
 #include "dbx5x0.dtsi"
+#include "ccu8540-pinctrl.dtsi"
 
 / {
 	model = "ST-Ericsson U8540 platform with Device Tree";
@@ -21,12 +22,19 @@
 	};
 
 	soc {
+		pinctrl {
+			compatible = "stericsson,db8540-pinctrl";
+		};
+
 		prcmu@80157000 {
 			reg = <0x80157000 0x2000>, <0x801b0000 0x8000>, <0x801b8000 0x3000>;
 			reg-names = "prcmu", "prcmu-tcpm", "prcmu-tcdm";
 		};
 
 		uart@80120000 {
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&uart0_default_mux>, <&uart0_default_mode>;
+			pinctrl-1 = <&uart0_sleep_mode>;
 			status = "okay";
 		};
 
@@ -35,6 +43,9 @@
 		};
 
 		uart@80007000 {
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&uart2_default_mode>;
+			pinctrl-1 = <&uart2_sleep_mode>;
 			status = "okay";
 		};
 	};
diff --git a/arch/arm/boot/dts/ste-nomadik-pinctrl.dtsi b/arch/arm/boot/dts/ste-nomadik-pinctrl.dtsi
new file mode 100644
index 0000000..efddee9
--- /dev/null
+++ b/arch/arm/boot/dts/ste-nomadik-pinctrl.dtsi
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2012 ST-Ericsson
+ *
+ * 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
+ */
+#include <dt-bindings/pinctrl/nomadik.h>
+
+/ {
+	in_nopull: in_nopull {
+		ste,input = <INPUT_NOPULL>;
+	};
+
+	in_pu: input_pull_up {
+		ste,input = <INPUT_PULLUP>;
+	};
+
+	in_pd: input_pull_down {
+		ste,input = <INPUT_PULLDOWN>;
+	};
+
+	out_hi: output_high {
+		ste,output = <OUTPUT_HIGH>;
+	};
+
+	out_lo: output_low {
+		ste,output = <OUTPUT_LOW>;
+	};
+
+	gpio_out_lo: gpio_output_low {
+		ste,gpio = <GPIOMODE_ENABLED>;
+		ste,output = <OUTPUT_LOW>;
+	};
+
+	slpm_in_pu: slpm_in_pu {
+		ste,sleep = <SLPM_ENABLED>;
+		ste,sleep-input = <SLPM_INPUT_PULLUP>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+	};
+
+	slpm_in_wkup_pdis: slpm_in_wkup_pdis {
+		ste,sleep = <SLPM_ENABLED>;
+		ste,sleep-input = <SLPM_DIR_INPUT>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
+	};
+
+	slpm_out_lo: slpm_out_lo {
+		ste,sleep = <SLPM_ENABLED>;
+		ste,sleep-output = <SLPM_OUTPUT_LOW>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+	};
+
+	slpm_out_hi: slpm_out_hi {
+		ste,sleep = <SLPM_ENABLED>;
+		ste,sleep-output = <SLPM_OUTPUT_HIGH>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+	};
+
+	slpm_out_hi_wkup_pdis: slpm_out_hi_wkup_pdis {
+		ste,sleep = <SLPM_ENABLED>;
+		ste,sleep-output = <SLPM_OUTPUT_HIGH>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
+	};
+
+	slpm_out_wkup_pdis: slpm_out_wkup_pdis {
+		ste,sleep = <SLPM_ENABLED>;
+		ste,sleep-output = <SLPM_DIR_OUTPUT>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
+	};
+
+	in_wkup_pdis: in_wkup_pdis {
+		ste,sleep-input = <SLPM_DIR_INPUT>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
+	};
+
+	out_hi_wkup_pdis: out_hi_wkup_pdis {
+		ste,sleep-output = <SLPM_OUTPUT_HIGH>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
+	};
+
+	out_wkup_pdis: out_wkup_pdis {
+		ste,sleep-output = <SLPM_DIR_OUTPUT>;
+		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
+		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
+	};
+};
diff --git a/include/dt-bindings/pinctrl/nomadik.h b/include/dt-bindings/pinctrl/nomadik.h
new file mode 100644
index 0000000..638fb32
--- /dev/null
+++ b/include/dt-bindings/pinctrl/nomadik.h
@@ -0,0 +1,36 @@
+/*
+ * nomadik.h
+ *
+ * Copyright (C) ST-Ericsson SA 2013
+ * Author: Gabriel Fernandez <gabriel.fernandez@st.com> for ST-Ericsson.
+ * License terms:  GNU General Public License (GPL), version 2
+ */
+
+#define INPUT_NOPULL		0
+#define INPUT_PULLUP		1
+#define INPUT_PULLDOWN		2
+
+#define OUTPUT_LOW		0
+#define OUTPUT_HIGH		1
+#define DIR_OUTPUT		2
+
+#define SLPM_DISABLED		0
+#define SLPM_ENABLED		1
+
+#define SLPM_INPUT_NOPULL	0
+#define SLPM_INPUT_PULLUP	1
+#define SLPM_INPUT_PULLDOWN	2
+#define SLPM_DIR_INPUT		3
+
+#define SLPM_OUTPUT_LOW		0
+#define SLPM_OUTPUT_HIGH	1
+#define SLPM_DIR_OUTPUT		2
+
+#define SLPM_WAKEUP_DISABLE	0
+#define SLPM_WAKEUP_ENABLE	1
+
+#define GPIOMODE_DISABLED	0
+#define GPIOMODE_ENABLED	1
+
+#define SLPM_PDIS_DISABLED	0
+#define SLPM_PDIS_ENABLED	1
-- 
1.8.1.1

[PATCH 2/2] ARM: u8540: DT: Set pinctrl mapping to i2c0,1,2,4 & 5

[Gabriel Fernandez]

From: Gabriel Fernandez <gabriel.fernandez@st.com>

This patch configures pin map in device tree of i2c0,
1,2,4 & 5 for ccu8540 board.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
---
 arch/arm/boot/dts/ccu8540-pinctrl.dtsi | 115 +++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/ccu8540.dts          |  34 ++++++++++
 2 files changed, 149 insertions(+)

diff --git a/arch/arm/boot/dts/ccu8540-pinctrl.dtsi b/arch/arm/boot/dts/ccu8540-pinctrl.dtsi
index 644b189..e079996 100644
--- a/arch/arm/boot/dts/ccu8540-pinctrl.dtsi
+++ b/arch/arm/boot/dts/ccu8540-pinctrl.dtsi
@@ -76,6 +76,121 @@
 					};
 				};
 			};
+
+			i2c0 {
+				i2c0_default_mux: i2c_mux {
+					default_mux {
+						ste,function = "i2c0";
+						ste,pins = "i2c0_a_1";
+					};
+				};
+
+				i2c0_default_mode: i2c_default {
+					default_cfg1 {
+						ste,pins = "GPIO147", "GPIO148";
+						ste,config = <&in_pu>;
+					};
+				};
+
+				i2c0_sleep_mode: i2c_sleep {
+					sleep_cfg1 {
+						ste,pins = "GPIO147", "GPIO148";
+						ste,config = <&slpm_in_pu>;
+					};
+				};
+			};
+
+			i2c1 {
+				i2c1_default_mux: i2c_mux {
+					default_mux {
+						ste,function = "i2c1";
+						ste,pins = "i2c1_b_2";
+					};
+				};
+
+				i2c1_default_mode: i2c_default {
+					default_cfg1 {
+						ste,pins = "GPIO16", "GPIO17";
+						ste,config = <&in_pu>;
+					};
+				};
+
+				i2c1_sleep_mode: i2c_sleep {
+					sleep_cfg1 {
+						ste,pins = "GPIO16", "GPIO17";
+						ste,config = <&slpm_in_pu>;
+					};
+				};
+			};
+
+			i2c2 {
+				i2c2_default_mux: i2c_mux {
+					default_mux {
+						ste,function = "i2c2";
+						ste,pins = "i2c2_b_2";
+					};
+				};
+
+				i2c2_default_mode: i2c_default {
+					default_cfg1 {
+						ste,pins = "GPIO10", "GPIO11";
+						ste,config = <&in_pu>;
+					};
+				};
+
+				i2c2_sleep_mode: i2c_sleep {
+					sleep_cfg1 {
+						ste,pins = "GPIO11", "GPIO11";
+						ste,config = <&slpm_in_pu>;
+					};
+				};
+			};
+
+			i2c4 {
+				i2c4_default_mux: i2c_mux {
+					default_mux {
+						ste,function = "i2c4";
+						ste,pins = "i2c4_b_2";
+					};
+				};
+
+				i2c4_default_mode: i2c_default {
+					default_cfg1 {
+						ste,pins = "GPIO122", "GPIO123";
+						ste,config = <&in_pu>;
+					};
+				};
+
+				i2c4_sleep_mode: i2c_sleep {
+					sleep_cfg1 {
+						ste,pins = "GPIO122", "GPIO123";
+						ste,config = <&slpm_in_pu>;
+					};
+				};
+			};
+
+			i2c5 {
+				i2c5_default_mux: i2c_mux {
+					default_mux {
+						ste,function = "i2c5";
+						ste,pins = "i2c5_c_2";
+					};
+				};
+
+				i2c5_default_mode: i2c_default {
+					default_cfg1 {
+						ste,pins = "GPIO118", "GPIO119";
+						ste,config = <&in_pu>;
+					};
+				};
+
+				i2c5_sleep_mode: i2c_sleep {
+					sleep_cfg1 {
+						ste,pins = "GPIO118", "GPIO119";
+						ste,config = <&slpm_in_pu>;
+					};
+				};
+			};
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/ccu8540.dts b/arch/arm/boot/dts/ccu8540.dts
index 3065fe4..7df65f0 100644
--- a/arch/arm/boot/dts/ccu8540.dts
+++ b/arch/arm/boot/dts/ccu8540.dts
@@ -48,5 +48,39 @@
 			pinctrl-1 = <&uart2_sleep_mode>;
 			status = "okay";
 		};
+
+		i2c0: i2c@80004000 {
+			pinctrl-names = "default","sleep";
+			pinctrl-0 = <&i2c0_default_mux>, <&i2c0_default_mode>;
+			pinctrl-1 = <&i2c0_sleep_mode>;
+		};
+
+		i2c1: i2c@80122000 {
+			pinctrl-names = "default","sleep";
+			pinctrl-0 = <&i2c1_default_mux>, <&i2c1_default_mode>;
+			pinctrl-1 = <&i2c1_sleep_mode>;
+		};
+
+		i2c2: i2c@80128000 {
+			pinctrl-names = "default","sleep";
+			pinctrl-0 = <&i2c2_default_mux>, <&i2c2_default_mode>;
+			pinctrl-1 = <&i2c2_sleep_mode>;
+		};
+
+		i2c3: i2c@80110000 {
+			status = "disabled";
+		};
+
+		i2c4: i2c@8012a000 {
+			pinctrl-names = "default","sleep";
+			pinctrl-0 = <&i2c4_default_mux>, <&i2c4_default_mode>;
+			pinctrl-1 = <&i2c4_sleep_mode>;
+		};
+
+		i2c5: i2c@80001000 {
+			pinctrl-names = "default","sleep";
+			pinctrl-0 = <&i2c5_default_mux>, <&i2c5_default_mode>;
+			pinctrl-1 = <&i2c5_sleep_mode>;
+		};
 	};
 };
-- 
1.8.1.1

Re: [PATCH 1/2] ARM: u8540: Add Pinctrl Device Tree settings for uart0, uart2

[Linus Walleij]

On Wed, Jun 12, 2013 at 4:35 PM, Gabriel Fernandez
<gabriel.fernandez.st@gmail.com> wrote:

> From: Gabriel Fernandez <gabriel.fernandez@st.com>
>
> This patch adds pinctrl device tree settings for uart0 and uart2
> for ccu8540 board.
>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>

Patch applied to the ux500-devicetree branch in my tree, sorry for the delay!

> +++ b/include/dt-bindings/pinctrl/nomadik.h

I'll try to fix a patch using this for the old Nomadik as well.

Yours,
Linus Walleij

Re: [PATCH 2/2] ARM: u8540: DT: Set pinctrl mapping to i2c0,1,2,4 & 5

[Linus Walleij]

On Wed, Jun 12, 2013 at 4:35 PM, Gabriel Fernandez
<gabriel.fernandez.st@gmail.com> wrote:

> From: Gabriel Fernandez <gabriel.fernandez@st.com>
>
> This patch configures pin map in device tree of i2c0,
> 1,2,4 & 5 for ccu8540 board.
>
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>

Patch applied to my ux500-devicetree branch.

Yours,
Linus Walleij