Re: [PATCH 1/4] ARM: dts: Add TOPEET itop core board SCP package version

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On 08/28/2016 01:21 PM, Randy Li wrote:
> The TOPEET itop is a samsung exnynos 4412 core board, which have
> two package versions. This patch add the support for SCP version.
> 
> Currently supported are USB3503A HSIC, USB OTG, eMMC, rtc and
> PMIC. The future features are in the based board. Also MFC and
> watchdog have been enabled.
> 
> Signed-off-by: Randy Li <ayaka@xxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi | 489 ++++++++++++++++++++++++
>  1 file changed, 489 insertions(+)
>  create mode 100644 arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
> 
> diff --git a/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
> new file mode 100644
> index 0000000..ce5076c
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
> @@ -0,0 +1,489 @@
> +/*
> + * TOPEET's Exynos4412 based itop board device tree source
> + *
> + * Copyright (c) 2016 SUMOMO Computer Association
> + *			https://www.sumomo.mobi
> + *			Randy Li <ayaka@xxxxxxxxxxx>
> + *			
> + * Device tree source file for TOPEET iTop Exynos 4412 SCP package core 
> + * board which is based on Samsung's Exynos4412 SoC.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> +*/
> +
> +#include "exynos4412.dtsi"
> +#include "exynos4412-ppmu-common.dtsi"
> +#include "exynos-mfc-reserved-memory.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>

First system-wide includes, then local ones.

> +
> +/ {
> +	memory {
> +		reg = <0x40000000 0x40000000>;
> +	};
> +
> +	firmware@0203F000 {
> +		compatible = "samsung,secure-firmware";
> +		reg = <0x0203F000 0x1000>;
> +	};
> +
> +	fixed-rate-clocks {
> +		xxti {
> +			compatible = "samsung,clock-xxti";
> +			clock-frequency = <0>;
> +		};
> +
> +		xusbxti {
> +			compatible = "samsung,clock-xusbxti";
> +			clock-frequency = <24000000>;
> +		};
> +
> +		/* Clock from S5M8767A AP32K */
> +		ap32k: xrtcxti {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <32768000>;

1. 32 MHz? Usually it is 32 kHz... Did you test these DTS?
2. Please use existing S5M8767 driver.


> +		};
> +	};
> +
> +	thermal-zones {
> +		cpu_thermal: cpu-thermal {
> +			cooling-maps {
> +				map0 {
> +				     /* Corresponds to 800MHz at freq_table */
> +				     cooling-device = <&cpu0 7 7>;
> +				};
> +				map1 {
> +				     /* Corresponds to 200MHz at freq_table */
> +				     cooling-device = <&cpu0 13 13>;
> +			       };
> +		       };
> +		};
> +	};
> +
> +	usb-hub {

> +		compatible = "smsc,usb3503a";

Floating USB hub? Isn't it connected to SoC through I2C?

> +		reset-gpios = <&gpm2 4 GPIO_ACTIVE_LOW>;
> +		connect-gpios = <&gpm3 3 GPIO_ACTIVE_HIGH>;
> +		intn-gpios = <&gpx2 3 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&hsic_reset>;
> +	};
> +};
> +
> +&bus_dmc {
> +	devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
> +	vdd-supply = <&buck1_reg>;
> +	status = "okay";
> +};
> +
> +&bus_acp {
> +        devfreq = <&bus_dmc>;
> +        status = "okay";
> +};
> +
> +&bus_c2c {
> +        devfreq = <&bus_dmc>;
> +        status = "okay";
> +};
> +
> +&bus_leftbus {
> +        devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
> +        vdd-supply = <&buck3_reg>;
> +        status = "okay";
> +};
> +
> +&bus_rightbus {
> +        devfreq = <&bus_leftbus>;
> +        status = "okay";
> +};
> +
> +&bus_fsys {
> +        devfreq = <&bus_leftbus>;
> +        status = "okay";
> +};
> +
> +&bus_peri {
> +        devfreq = <&bus_leftbus>;
> +        status = "okay";
> +};
> +
> +&bus_mfc {
> +        devfreq = <&bus_leftbus>;
> +        status = "okay";
> +};
> +
> +&cpu0 {
> +	cpu0-supply = <&buck2_reg>;
> +};
> +
> +&i2c_1 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	samsung,i2c-sda-delay = <100>;
> +	samsung,i2c-max-bus-freq = <400000>;
> +	pinctrl-0 = <&i2c1_bus>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +
> +	s5m8767: s5m8767_pmic@66 {
> +		compatible = "samsung,s5m8767-pmic";
> +		reg = <0x66>;
> +
> +		s5m8767,pmic-buck-default-dvs-idx = <3>;
> +
> +		s5m8767,pmic-buck-dvs-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>,
> +						 <&gpb 6 GPIO_ACTIVE_HIGH>,
> +						 <&gpb 7 GPIO_ACTIVE_HIGH>;
> +
> +		s5m8767,pmic-buck-ds-gpios = <&gpm3 5 GPIO_ACTIVE_HIGH>,
> +						<&gpm3 6 GPIO_ACTIVE_HIGH>,
> +						<&gpm3 7 GPIO_ACTIVE_HIGH>;
> +
> +		/* VDD_ARM */
> +		s5m8767,pmic-buck2-dvs-voltage = <1356250>, <1300000>,
> +						 <1243750>, <1118750>,
> +						 <1068750>, <1012500>,
> +						 <956250>, <900000>;
> +		/* VDD_INT */
> +		s5m8767,pmic-buck3-dvs-voltage = <1000000>, <1000000>,
> +						 <925000>, <925000>,
> +						 <887500>, <887500>,
> +						 <850000>, <850000>;
> +		/* VDD_G3D */
> +		s5m8767,pmic-buck4-dvs-voltage = <1081250>, <1081250>,
> +						 <1025000>, <950000>,
> +						 <918750>, <900000>,
> +						 <875000>, <831250>;
> +
> +		regulators {
> +			ldo1_reg: LDO1 {
> +				regulator-name = "VDD_ALIVE";
> +				regulator-min-microvolt = <1100000>;
> +				regulator-max-microvolt = <1100000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			/* SCP uses 1.5v, POP uses 1.2v */
> +			ldo2_reg: LDO2 {
> +				regulator-name = "VDDQ_M12";
> +				regulator-min-microvolt = <1500000>;
> +				regulator-max-microvolt = <1500000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo3_reg: LDO3 {
> +				regulator-name = "VDDIOAP_18";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo4_reg: LDO4 {
> +				regulator-name = "VDDQ_PRE";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo6_reg: LDO6 {
> +				regulator-name = "VDD10_MPLL";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo7_reg: LDO7 {
> +				regulator-name = "VDD10_XPLL";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo8_reg: LDO8 {
> +				regulator-name = "VDD10_MIPI";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo9_reg: LDO9 {
> +				regulator-name = "VDD33_LCD";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo10_reg: LDO10 {
> +				regulator-name = "VDD18_MIPI";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo11_reg: LDO11 {
> +				regulator-name = "VDD18_ABB1";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo12_reg: LDO12 {
> +				regulator-name = "VDD33_UOTG";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo13_reg: LDO13 {
> +				regulator-name = "VDDIOPERI_18";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo14_reg: LDO14 {
> +				regulator-name = "VDD18_ABB02";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo15_reg: LDO15 {
> +				regulator-name = "VDD10_USH";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo16_reg: LDO16 {
> +				regulator-name = "VDD18_HSIC";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo17_reg: LDO17 {
> +				regulator-name = "VDDIOAP_MMC012_28";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			/* Used by HSIC */
> +			ldo18_reg: LDO18 {
> +				regulator-name = "VDDIOPERI_28";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo20_reg: LDO20 {
> +				regulator-name = "VDD28_CAM";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <2800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo21_reg: LDO21 {
> +				regulator-name = "VDD28_AF";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <2800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo22_reg: LDO22 {
> +				regulator-name = "VDDA28_2M";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo23_reg: LDO23 {
> +				regulator-name = "VDD28_TF";
> +				regulator-min-microvolt = <2800000>;
> +				regulator-max-microvolt = <2800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo24_reg: LDO24 {
> +				regulator-name = "VDD33_A31";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo25_reg: LDO25 {
> +				regulator-name = "VDD18_CAM";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo26_reg: LDO26 {
> +				regulator-name = "VDD18_A31";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo27_reg: LDO27 {
> +				regulator-name = "GPS_1V8";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			ldo28_reg: LDO28 {
> +				regulator-name = "DVDD12";
> +				regulator-min-microvolt = <1200000>;
> +				regulator-max-microvolt = <1200000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck1_reg: BUCK1 {
> +				regulator-name = "vdd_mif";
> +				regulator-min-microvolt = <850000>;
> +				regulator-max-microvolt	= <1100000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck2_reg: BUCK2 {
> +				regulator-name = "vdd_arm";
> +				regulator-min-microvolt = <850000>;
> +				regulator-max-microvolt	= <1456250>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck3_reg: BUCK3 {
> +				regulator-name = "vdd_int";
> +				regulator-min-microvolt = <875000>;
> +				regulator-max-microvolt	= <1200000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck4_reg: BUCK4 {
> +				regulator-name = "vdd_g3d";
> +				regulator-min-microvolt = <750000>;
> +				regulator-max-microvolt	= <1500000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck5_reg: BUCK5 {
> +				regulator-name = "vdd_m12";
> +				regulator-min-microvolt = <750000>;
> +				regulator-max-microvolt	= <1500000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck6_reg: BUCK6 {
> +				regulator-name = "vdd12_5m";
> +				regulator-min-microvolt = <750000>;
> +				regulator-max-microvolt	= <1500000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck7_reg: BUCK7 {
> +				regulator-name = "pvdd_buck7";
> +				regulator-min-microvolt = <750000>;
> +				regulator-max-microvolt	= <2000000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck8_reg: BUCK8 {
> +				regulator-name = "pvdd_buck8";
> +				regulator-min-microvolt = <750000>;
> +				regulator-max-microvolt	= <1500000>;
> +				regulator-boot-on;
> +				regulator-always-on;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +
> +			buck9_reg: BUCK9 {
> +				regulator-name = "vddf28_emmc";
> +				regulator-min-microvolt = <750000>;
> +				regulator-max-microvolt	= <3000000>;
> +				op_mode = <1>; /* Normal Mode */
> +			};
> +		};
> +	};
> +};
> +
> +&pinctrl_1 {

Please put it in alphabetical order.

> +	hsic_reset: hsic-reset {
> +		samsung,pins = "gpm2-4";
> +		samsung,pin-function = <1>;
> +		samsung,pin-pud = <0>;
> +		samsung,pin-drv = <3>;
> +	};
> +};
> +
> +&mfc {
> +	status = "okay";
> +};
> +
> +&mshc_0 {
> +	pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
> +	pinctrl-names = "default";
> +	status = "okay";
> +	vmmc-supply = <&buck9_reg>;
> +	num-slots = <1>;
> +	broken-cd;
> +	card-detect-delay = <200>;
> +	samsung,dw-mshc-ciu-div = <3>;
> +	samsung,dw-mshc-sdr-timing = <2 3>;
> +	samsung,dw-mshc-ddr-timing = <1 2>;
> +	bus-width = <8>;
> +	cap-mmc-highspeed;
> +};
> +
> +&hsotg {

Please put it in alphabetical order.

> +	vusb_d-supply = <&ldo15_reg>;
> +	vusb_a-supply = <&ldo12_reg>;
> +};
> +
> +&rtc {
> +	status = "okay";
> +	clocks = <&clock CLK_RTC>, <&ap32k>;

Use S5M8767/S2MPS bindings for AP clock.

> +	clock-names = "rtc", "rtc_src";
> +};
> +
> +&watchdog {

Please put it in alphabetical order.

Best regards,
Krzysztof

> +	status = "okay";
> +};
> +
> +&tmu {
> +	vtmu-supply = <&ldo16_reg>;
> +	status = "okay";
> +};
> 

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