[U-Boot] [PATCH 1/4] ARM: dts: at91: sam9x60: add onewire node
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@fffffa00 { + compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio"; + reg = <0xfffffa00 0x200>; + #gpio-cells = <2>; + gpio-controller; + clocks = <&pioD_clk>; + }; + pmc: pmc@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"; + }; };
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@0 { + compatible = "maxim,ds24b33"; + status = "okay"; + }; + }; + ahb { apb { qspi: spi@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>; + }; + }; }; };
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
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
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
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Eugen.Hristev＠microchip.com