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Message-id: <4767fc2a-95b7-ee0d-f51a-7a5d6ca89d8f@samsung.com>
Date: Mon, 22 Aug 2016 08:50:02 +0200
From: Marek Szyprowski <m.szyprowski@...sung.com>
To: Randy Li <ayaka@...lik.info>, devicetree@...r.kernel.org
Cc: robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
kgene@...nel.org, krzk@...nel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: Add TOPEET itop core board SCP package
version
Dear Randy,
On 2016-08-21 22:04, 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@...lik.info>
> ---
> arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi | 434 ++++++++++++++++++++++++
> 1 file changed, 434 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..0860ee6
> --- /dev/null
> +++ b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
> @@ -0,0 +1,434 @@
> +/*
> + * TOPEET's Exynos4412 based itop board device tree source
> + *
> + * Copyright (c) 2016 SUMOMO Computer Association
> + * https://www.sumomo.mobi
> + * Randy Li <ayaka@...lik.info>
> + *
> + * 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 <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + memory {
> + reg = <0x40000000 0x40000000>;
> + };
> +
> + firmware@...3F000 {
> + compatible = "samsung,secure-firmware";
> + reg = <0x0203F000 0x1000>;
> + };
> +
> + display-timings {
> + native-mode = <&timing0>;
> + timing0: timing {
> + clock-frequency = <47500000>;
> + hactive = <1024>;
> + vactive = <600>;
> + hfront-porch = <64>;
> + hback-porch = <16>;
> + hsync-len = <48>;
> + vback-porch = <64>;
> + vfront-porch = <16>;
> + vsync-len = <3>;
> + };
> + };
> +
> + fixed-rate-clocks {
> + xxti {
> + compatible = "samsung,clock-xxti";
> + clock-frequency = <0>;
> + };
> +
> + xusbxti {
> + compatible = "samsung,clock-xusbxti";
> + clock-frequency = <24000000>;
> + };
> + };
> +
> + usb-hub {
> + compatible = "smsc,usb3503a";
> + 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>;
> + };
> +};
> +
> +&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_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 {
> + hsic_reset: hsic-reset {
> + samsung,pins = "gpm2-4";
> + samsung,pin-function = <1>;
> + samsung,pin-pud = <0>;
> + samsung,pin-drv = <3>;
> + };
> +};
> +
> +&mfc {
> + samsung,mfc-r = <0x43000000 0x800000>;
> + samsung,mfc-l = <0x51000000 0x800000>;
> + status = "okay";
> +};
Since v4.8-rc1 MFC driver has been converted to generic reserved memory
bindings,
so samsung,mfc-* properties are obsoleted and no longer used. If you
want to use
MFC driver with reserved memory, please just add following line to your dts:
#include "exynos-mfc-reserved-memory.dtsi"
Please refer to dts of other boards for more examples.
> +
> +&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;
> +};
> +
> +&rtc {
> + status = "okay";
> +};
> +
> +&hsotg {
> + vusb_d-supply = <&ldo15_reg>;
> + vusb_a-supply = <&ldo12_reg>;
> +};
> +
> +&watchdog {
> + status = "okay";
> +};
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
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