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From:   Colin Foster <colin.foster@in-advantage.com>
To:     linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Cc:     Tony Lindgren <tony@atomide.com>,
        =?UTF-8?q?Beno=C3=AEt=20Cousson?= <bcousson@baylibre.com>,
        soc@kernel.org, Olof Johansson <olof@lixom.net>,
        Arnd Bergmann <arnd@arndb.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Rob Herring <robh+dt@kernel.org>
Subject: [PATCH v2 2/2] arm: dts: omap4: pcm959: add initial support for phytec pcm959
Date:   Wed, 23 Nov 2022 15:32:09 -0800
Message-Id: <20221123233209.1854806-3-colin.foster@in-advantage.com>
In-Reply-To: <20221123233209.1854806-1-colin.foster@in-advantage.com>
References: <20221123233209.1854806-1-colin.foster@in-advantage.com>
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The Phytec PCM-959 is a development platform for the Phytec PCM-049 SOM.
Add initial functionality for the board. The verified interfaces and
peripherals are listed below for the SOM (PCM-049) and the dev board
(PCM-959)

The omap2plus_defconfig was used for testing. Only the On-board LEDs
required CONFIG_LEDS_PCA9532 addition.

PCM-049:
i2c1
  * EEPROM at 0x50
  * TMP102 (hwmon) at 0x4b
twl6030
GPMC
  * Ethernet
  * Flash
Serial (ttyS2 console)

PCM959:
MMC1
On-board LEDs (with CONFIG_LEDS_PCA9532)

Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
---

v1->v2
    * Almost everything moved to the SOM (PCM049)
    * Fix where omap_pmx_wkup were actually getting applied to
      omap_pmx_core.
    * Use hyphens instead of underscores for names
    * Remove unnecessary entries of "status=okay"
    * Use generic "regulator" and "led" names
    * add compatible strings for the dev board and SOM

---
 arch/arm/boot/dts/Makefile                  |   1 +
 arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi | 412 ++++++++++++++++++++
 arch/arm/boot/dts/omap4-phytec-pcm-959.dts  |  48 +++
 3 files changed, 461 insertions(+)
 create mode 100644 arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi
 create mode 100644 arch/arm/boot/dts/omap4-phytec-pcm-959.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6aa7dc4db2fc..ae8338cb5bb1 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -968,6 +968,7 @@ dtb-$(CONFIG_ARCH_OMAP4) += \
 	omap4-panda.dtb \
 	omap4-panda-a4.dtb \
 	omap4-panda-es.dtb \
+	omap4-phytec-pcm-959.dtb \
 	omap4-sdp.dtb \
 	omap4-sdp-es23plus.dtb \
 	omap4-var-dvk-om44.dtb \
diff --git a/arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi b/arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi
new file mode 100644
index 000000000000..314b37e51082
--- /dev/null
+++ b/arch/arm/boot/dts/omap4-phytec-pcm-049.dtsi
@@ -0,0 +1,412 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Innovative Advantage, Inc.
+ */
+#include <dt-bindings/input/input.h>
+
+/ {
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>; /* 1 GB */
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		dsp_memory_region: dsp-memory@98000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x98000000 0x800000>;
+			reusable;
+			status = "okay";
+		};
+
+		ipu_memory_region: ipu-memory@98800000 {
+			compatible = "shared-dma-pool";
+			reg = <0x98800000 0x7000000>;
+			reusable;
+			status = "okay";
+		};
+	};
+
+	chosen {
+		stdout-path = &uart3;
+	};
+
+	leds: leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <
+			&led_gpio_pins
+		>;
+
+		led-0 {
+			label = "modul:red:status1";
+			gpios = <&gpio5 0x18 GPIO_ACTIVE_HIGH>; /* GPIO 152 */
+			linux,default-trigger = "heartbeat";
+		};
+
+		led-1 {
+			label = "modul:green:status2";
+			gpios = <&gpio5 0x19 GPIO_ACTIVE_HIGH>; /* GPIO 153 */
+			linux,default-trigger = "mmc0";
+		};
+	};
+};
+
+&gpio1_target {
+	ti,no-reset-on-init;
+};
+
+&omap4_pmx_core {
+	pinctrl-names = "default";
+	pinctrl-0 = <
+		&tps62361_pins
+	>;
+
+	i2c1_pins: pinmux-i2c1-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x122, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c1_scl */
+			OMAP4_IOPAD(0x124, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c1_sda */
+		>;
+	};
+
+	i2c3_pins: pinmux-i2c3-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x12a, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c3_scl */
+			OMAP4_IOPAD(0x12c, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c3_sda */
+		>;
+	};
+
+	i2c4_pins: pinmux-i2c4-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x12e, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c4_scl */
+			OMAP4_IOPAD(0x130, PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c4_sda */
+		>;
+	};
+
+	uart1_pins: pinmux_uart1_pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x126, PIN_INPUT_PULLUP | MUX_MODE1)	/* uart1_rx */
+			OMAP4_IOPAD(0x128, PIN_INPUT_PULLUP | MUX_MODE1)	/* uart1_tx */
+		>;
+	};
+
+	uart2_pins: pinmux-uart2-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0)	/* uart2_cts */
+			OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0)		/* uart2_rts */
+			OMAP4_IOPAD(0x11c, PIN_INPUT | MUX_MODE0)		/* uart2_rx */
+			OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0)		/* uart2_tx */
+		>;
+	};
+
+	uart3_pins: pinmux-uart3-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x140, PIN_INPUT_PULLUP | MUX_MODE0)	/* uart3_cts */
+			OMAP4_IOPAD(0x142, PIN_OUTPUT | MUX_MODE0)		/* uart3_rts */
+			OMAP4_IOPAD(0x144, PIN_INPUT | MUX_MODE0)		/* uart3_rx */
+			OMAP4_IOPAD(0x146, PIN_OUTPUT | MUX_MODE0)		/* uart3_tx */
+		>;
+	};
+
+	led_gpio_pins: pinmux-leds-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x156, PIN_OUTPUT | MUX_MODE3)	/* gpio_152 */
+			OMAP4_IOPAD(0x158, PIN_OUTPUT | MUX_MODE3)	/* gpio_153 */
+		>;
+	};
+
+	pinctrl_tempsense: pinmux-pinctrl-tempsense-pins{
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x154, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpio_151 */
+		>;
+	};
+
+	gpmc_pins: gpmc-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x40, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad0 */
+			OMAP4_IOPAD(0x42, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad1 */
+			OMAP4_IOPAD(0x44, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad2 */
+			OMAP4_IOPAD(0x46, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad3 */
+			OMAP4_IOPAD(0x48, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad4 */
+			OMAP4_IOPAD(0x4a, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad5 */
+			OMAP4_IOPAD(0x4c, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad6 */
+			OMAP4_IOPAD(0x4e, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad7 */
+			OMAP4_IOPAD(0x50, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad8 */
+			OMAP4_IOPAD(0x52, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad9 */
+			OMAP4_IOPAD(0x54, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad10 */
+			OMAP4_IOPAD(0x56, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad11 */
+			OMAP4_IOPAD(0x58, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad12 */
+			OMAP4_IOPAD(0x5a, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad13 */
+			OMAP4_IOPAD(0x5c, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad14 */
+			OMAP4_IOPAD(0x5e, PIN_INPUT_PULLDOWN | MUX_MODE0)	/* gpmc_ad15 */
+
+			OMAP4_IOPAD(0x60, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a16 */
+			OMAP4_IOPAD(0x62, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a17 */
+			OMAP4_IOPAD(0x64, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a18 */
+			OMAP4_IOPAD(0x66, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a19 */
+			OMAP4_IOPAD(0x68, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a20 */
+			OMAP4_IOPAD(0x6a, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a21 */
+			OMAP4_IOPAD(0x6c, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a22 */
+			OMAP4_IOPAD(0x6e, PIN_OUTPUT | MUX_MODE0)		/* gpmc_a23 */
+
+			OMAP4_IOPAD(0x82, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* gpmc_noe */
+			OMAP4_IOPAD(0x84, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* gpmc_nwe */
+
+			OMAP4_IOPAD(0x7c, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* gpmc_nwp */
+			OMAP4_IOPAD(0x80, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* gpmc_nadv_ale */
+			OMAP4_IOPAD(0x86, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* gpmc_nbe0_cle */
+			OMAP4_IOPAD(0x8a, PIN_INPUT_PULLUP | MUX_MODE0)		/* gpmc_wait0 */
+			OMAP4_IOPAD(0x8c, PIN_INPUT_PULLUP | MUX_MODE0)		/* gpmc_wait1 */
+
+			OMAP4_IOPAD(0x74, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_ncs0 */
+			OMAP4_IOPAD(0x76, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_ncs1 */
+			OMAP4_IOPAD(0x92, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* gpmc_ncs5 */
+		>;
+	};
+
+	ethernet_pins: ethernet-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x114, PIN_INPUT | MUX_MODE3)		/* gpio_121 */
+		>;
+	};
+
+	tps62361_pins: pinmux-tps62361-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x19c, PIN_OUTPUT_PULLUP | MUX_MODE3)	/* gpio_182 */
+		>;
+	};
+
+	mmc1_pins: pinmux-mmc1-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x0e2, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_clk */
+			OMAP4_IOPAD(0x0e4, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_cmd */
+			OMAP4_IOPAD(0x0e6, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_dat0 */
+			OMAP4_IOPAD(0x0e8, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_dat1 */
+			OMAP4_IOPAD(0x0ea, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_dat2 */
+			OMAP4_IOPAD(0x0ec, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc1_dat3 */
+		>;
+	};
+};
+
+&omap4_pmx_wkup {
+	pinctrl-names = "default";
+	pinctrl-0= <
+		&smartreflex_i2c_pins
+		&fref_xtal_in_pins
+		&fref_clk3_out_pins
+		&sys_pins
+	>;
+
+	ethernet_wkgpio_pins: pinmux-ethernet-wkup-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x66, PIN_OUTPUT | MUX_MODE3)		/* gpio_wk29 */
+		>;
+	};
+
+	smartreflex_i2c_pins: pinmux-smartreflex-i2c-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x4a, PIN_INPUT_PULLUP | MUX_MODE0)		/* sr_scl */
+			OMAP4_IOPAD(0x4c, PIN_INPUT_PULLUP | MUX_MODE0)		/* sr_sda */
+		>;
+	};
+
+	fref_xtal_in_pins: pinmux-fref-xtal-in-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x4e, PIN_OUTPUT | MUX_MODE0)		/* fref_xtal_in */
+		>;
+	};
+
+	fref_clk3_out_pins: pinmux-usb-refclk-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x58, PIN_OUTPUT | MUX_MODE0)		/* fref_clk3_out */
+		>;
+	};
+
+	sys_pins: pinmux-sys-pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x5e, PIN_INPUT | MUX_MODE0)		/* sys_32k */
+			OMAP4_IOPAD(0x60, PIN_OUTPUT | MUX_MODE0)		/* sys_nrespwron */
+			OMAP4_IOPAD(0x62, PIN_OUTPUT | MUX_MODE0)		/* sys_nreswarm */
+			OMAP4_IOPAD(0x64, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* sys_pwr_req */
+			OMAP4_IOPAD(0x68, PIN_INPUT | MUX_MODE0)		/* sys_boot6 */
+			OMAP4_IOPAD(0x6a, PIN_INPUT | MUX_MODE0)		/* sys_boot7 */
+		>;
+	};
+};
+
+&i2c1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins>;
+
+	clock-frequency = <400000>;
+
+	twl: twl@48 {
+		compatible = "ti,twl6030";
+		reg = <0x48>;
+		interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* IRQ_SYS_1N cascaded to gic */
+	};
+
+	core_vdd_reg: regulator@60 {
+		compatible = "ti,tps62361";
+		reg = <0x60>;
+
+		regulator-name = "tps62361-vout";
+		regulator-min-microvolt = <500000>;
+		regulator-max-microvolt = <1500000>;
+		regulator-coupled-max-spread = <300000>;
+		regulator-max-step-microvolt = <100000>;
+		regulator-boot-on;
+		regulator-always-on;
+		ti,vsel0-gpio = <&gpio5 22 GPIO_ACTIVE_HIGH>;
+		ti,vsel0-state-high;
+	};
+
+	temperature-sensor@4b {
+		compatible = "ti,tmp102";
+		reg = <0x4b>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_tempsense>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+		#thermal-sensor-cells = <1>;
+	};
+
+	eeprom@50 {
+		compatible = "atmel,24c32";
+		reg = <0x50>;
+	};
+};
+
+#include "twl6030.dtsi"
+#include "twl6030_omap4.dtsi"
+
+&i2c2 {
+	status = "disabled";
+};
+
+&i2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c3_pins>;
+	status = "okay";
+
+	clock-frequency = <100000>;
+};
+
+&i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c4_pins>;
+	status = "disabled";
+
+	clock-frequency = <400000>;
+};
+
+&vmmc {
+	ti,retain-on-reset;
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc1_pins>;
+
+	vmmc-supply = <&vmmc>;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&mmc2 {
+	status = "disabled";
+};
+
+&mmc3 {
+	status = "disabled";
+};
+
+&mmc4 {
+	status = "disabled";
+};
+
+&mmc5 {
+	status = "disabled";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart3_pins>;
+	status = "okay";
+};
+
+&uart4 {
+	status = "disabled";
+};
+
+&elm {
+	status = "okay";
+};
+
+#include "omap-gpmc-smsc9221.dtsi"
+
+&gpmc {
+	ranges = <5 0 0x2c000000 0x01000000>,
+		 <0 0 0x08000000 0x01000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <
+		&gpmc_pins
+		>;
+	status = "okay";
+
+	nandflash: nand@0,0 {
+		compatible = "ti,omap2-nand";
+		reg = <0 0 4>;
+		interrupt-parent = <&gpmc>;
+		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>;
+		nand-bus-width = <16>;
+		ti,nand-ecc-opt = "bch8";
+		ti,elm-id=<&elm>;
+		linux,mtd-name = "micron,nand";
+		gpmc,device-nand = "true";
+		gpmc,device-width = <1>;
+
+		gpmc,sync-clk-ps = <0>;
+		gpmc,cs-on-ns = <0>;
+		gpmc,cs-rd-off-ns = <44>;
+		gpmc,cs-wr-off-ns = <44>;
+		gpmc,adv-rd-off-ns = <34>;
+		gpmc,adv-wr-off-ns = <44>;
+		gpmc,we-off-ns = <40>;
+		gpmc,oe-off-ns = <54>;
+		gpmc,access-ns = <64>;
+		gpmc,rd-cycle-ns = <82>;
+		gpmc,wr-cycle-ns = <82>;
+		gpmc,wr-access-ns = <40>;
+		gpmc,wr-data-mux-bus-ns = <0>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+
+	ethernet@gpmc {
+		reg = <5 0 0xff>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <
+			&ethernet_pins
+			&ethernet_wkgpio_pins
+		>;
+
+		/* Either GPIO 103 or GPIO 121. Use 121 to match the reference design */
+		interrupt-parent = <&gpio4>;
+		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
diff --git a/arch/arm/boot/dts/omap4-phytec-pcm-959.dts b/arch/arm/boot/dts/omap4-phytec-pcm-959.dts
new file mode 100644
index 000000000000..f323d64660d7
--- /dev/null
+++ b/arch/arm/boot/dts/omap4-phytec-pcm-959.dts
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Innovative Advantage, Inc.
+ */
+/dts-v1/;
+
+#include <dt-bindings/leds/leds-pca9532.h>
+#include "omap4460.dtsi"
+#include "omap4-phytec-pcm-049.dtsi"
+
+/ {
+	model = "Phytec PCM-959 Eval Board";
+	compatible = "phytec,pcm959", "phytec,pcm049", "ti,omap4460", "ti,omap4430", "ti,omap4";
+};
+
+&i2c4 {
+	status = "okay";
+
+	leddim: led@62 {
+		compatible = "nxp,pca9533";
+		reg = <0x62>;
+
+		led-1 {
+			label = "board:red:free_use1";
+			linux,default-trigger = "none";
+			type = <PCA9532_TYPE_LED>;
+		};
+
+		led-2 {
+			label = "board:yellow:free_use2";
+			linux,default-trigger = "none";
+			type = <PCA9532_TYPE_LED>;
+		};
+
+		led-3 {
+			label = "board:yellow:free_use3";
+			linux,default-trigger = "none";
+			type = <PCA9532_TYPE_LED>;
+		};
+
+		led-4 {
+			label = "board:green:free_use4";
+			linux,default-trigger = "none";
+			type = <PCA9532_TYPE_LED>;
+		};
+	};
+};
+
-- 
2.25.1