[U-Boot] [PATCH 1/4] ARM: dts: at91: sam9x60: add onewire node

[U-Boot] [PATCH 1/4] ARM: dts: at91: sam9x60: add onewire node

[Eugen.Hristev at microchip.com]

From: Eugen Hristev <eugen.hristev@microchip.com>

Add onewire node for w1 support.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 arch/arm/dts/sam9x60.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/dts/sam9x60.dtsi b/arch/arm/dts/sam9x60.dtsi
index 9c16ba1..e01539e 100644
--- a/arch/arm/dts/sam9x60.dtsi
+++ b/arch/arm/dts/sam9x60.dtsi
@@ -22,6 +22,7 @@
 		serial0 = &dbgu;
 		gpio0 = &pioA;
 		gpio1 = &pioB;
+		gpio3 = &pioD;
 		spi0 = &qspi;
 	};
 
@@ -155,6 +156,14 @@
 				clocks = <&pioB_clk>;
 			};
 
+			pioD: gpio at fffffa00 {
+				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+				reg = <0xfffffa00 0x200>;
+				#gpio-cells = <2>;
+				gpio-controller;
+				clocks = <&pioD_clk>;
+			};
+
 			pmc: pmc at fffffc00 {
 				compatible = "atmel,at91sam9x5-pmc";
 				reg = <0xfffffc00 0x200>;
@@ -212,6 +221,11 @@
 						reg = <3>;
 					};
 
+					pioD_clk: pioD_clk {
+						#clock-cells = <0>;
+						reg = <44>;
+					};
+
 					sdhci0_clk: sdhci0_clk {
 						#clock-cells = <0>;
 						reg = <12>;
@@ -282,4 +296,9 @@
 			};
 		};
 	};
+
+	onewire_tm: onewire {
+		compatible = "w1-gpio";
+		status = "disabled";
+	};
 };
-- 
2.7.4

[U-Boot] [PATCH 2/4] ARM: dts: at91: sam9x60ek: add onewire support

[Eugen.Hristev at microchip.com]

From: Eugen Hristev <eugen.hristev@microchip.com>

Add support for onewire memory.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 arch/arm/dts/sam9x60ek.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/dts/sam9x60ek.dts b/arch/arm/dts/sam9x60ek.dts
index 6390427..bed59f3 100644
--- a/arch/arm/dts/sam9x60ek.dts
+++ b/arch/arm/dts/sam9x60ek.dts
@@ -17,6 +17,18 @@
 		stdout-path = &dbgu;
 	};
 
+	onewire_tm: onewire {
+		gpios = <&pioD 14 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_onewire_tm_default>;
+		status = "okay";
+
+		w1_eeprom: w1_eeprom at 0 {
+			compatible = "maxim,ds24b33";
+			status = "okay";
+		};
+	};
+
 	ahb {
 		apb {
 			qspi: spi at f0014000 {
@@ -44,6 +56,11 @@
 							 AT91_PIOB 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
 					};
 
+					pinctrl_onewire_tm_default: onewire_tm_default {
+						atmel,pins =
+							<AT91_PIOD 14 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+					};
+
 			};
 		};
 	};
-- 
2.7.4

[U-Boot] [PATCH 3/4] board: atmel: sam9x60ek: add support for PDA detection

[Eugen.Hristev at microchip.com]

From: Eugen Hristev <eugen.hristev@microchip.com>

Automatically detect PDA at boot.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 board/atmel/sam9x60ek/sam9x60ek.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/board/atmel/sam9x60ek/sam9x60ek.c b/board/atmel/sam9x60ek/sam9x60ek.c
index e352afc..182b3ae 100644
--- a/board/atmel/sam9x60ek/sam9x60ek.c
+++ b/board/atmel/sam9x60ek/sam9x60ek.c
@@ -16,6 +16,8 @@
 #include <debug_uart.h>
 #include <asm/mach-types.h>
 
+extern void at91_pda_detect(void);
+
 DECLARE_GLOBAL_DATA_PTR;
 
 void at91_prepare_cpu_var(void);
@@ -80,6 +82,9 @@ static void sam9x60ek_nand_hw_init(void)
 int board_late_init(void)
 {
 	at91_prepare_cpu_var();
+
+	at91_pda_detect();
+
 	return 0;
 }
 #endif
-- 
2.7.4

[U-Boot] [PATCH 4/4] configs: sam9x60ek: enable onewire support

[Eugen.Hristev at microchip.com]

From: Eugen Hristev <eugen.hristev@microchip.com>

Enable support for onewire memories and onewire commands.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 configs/sam9x60ek_mmc_defconfig       | 4 ++++
 configs/sam9x60ek_nandflash_defconfig | 4 ++++
 configs/sam9x60ek_qspiflash_defconfig | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/configs/sam9x60ek_mmc_defconfig b/configs/sam9x60ek_mmc_defconfig
index 6cdc819..0d3746a 100644
--- a/configs/sam9x60ek_mmc_defconfig
+++ b/configs/sam9x60ek_mmc_defconfig
@@ -49,4 +49,8 @@ CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
 CONFIG_TIMER=y
 CONFIG_ATMEL_PIT_TIMER=y
+CONFIG_W1=y
+CONFIG_W1_GPIO=y
+CONFIG_W1_EEPROM=y
+CONFIG_W1_EEPROM_DS24XXX=y
 CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/sam9x60ek_nandflash_defconfig b/configs/sam9x60ek_nandflash_defconfig
index 4858539..d93f944 100644
--- a/configs/sam9x60ek_nandflash_defconfig
+++ b/configs/sam9x60ek_nandflash_defconfig
@@ -48,4 +48,8 @@ CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y
 CONFIG_TIMER=y
 CONFIG_ATMEL_PIT_TIMER=y
+CONFIG_W1=y
+CONFIG_W1_GPIO=y
+CONFIG_W1_EEPROM=y
+CONFIG_W1_EEPROM_DS24XXX=y
 CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/sam9x60ek_qspiflash_defconfig b/configs/sam9x60ek_qspiflash_defconfig
index 8e3bf5e..5c37e6f 100644
--- a/configs/sam9x60ek_qspiflash_defconfig
+++ b/configs/sam9x60ek_qspiflash_defconfig
@@ -70,4 +70,8 @@ CONFIG_DM_SPI=y
 CONFIG_ATMEL_QSPI=y
 CONFIG_TIMER=y
 CONFIG_ATMEL_PIT_TIMER=y
+CONFIG_W1=y
+CONFIG_W1_GPIO=y
+CONFIG_W1_EEPROM=y
+CONFIG_W1_EEPROM_DS24XXX=y
 CONFIG_OF_LIBFDT_OVERLAY=y
-- 
2.7.4

[U-Boot] [PATCH 1/4] ARM: dts: at91: sam9x60: add onewire node

[Eugen.Hristev at microchip.com]

On 30.09.2019 10:28, Eugen Hristev - M18282 wrote:
> From: Eugen Hristev <eugen.hristev@microchip.com>
> 
> Add onewire node for w1 support.
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
> ---

Applied this series to u-boot-atmel/next