linux-kernel - [PATCH v2 3/3] arm64: dts: khadas-vim3: add support for the SM1 based VIM3L

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Message-Id: <20190828141157.15503-4-narmstrong@baylibre.com>
Date:   Wed, 28 Aug 2019 16:11:57 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/3] arm64: dts: khadas-vim3: add support for the SM1 based VIM3L

Add the Amlogic SM1 based Khadas VIM3L, sharing all the same features
as the G12B based VIM3, but:
- a different DVFS support since only a single cluster is available
- audio is still not available on SM1

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm64/boot/dts/amlogic/Makefile          |  1 +
 .../dts/amlogic/meson-sm1-khadas-vim3l.dts    | 70 +++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts

diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index edbf128e7707..84afecba9ec0 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -35,3 +35,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q201.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
new file mode 100644
index 000000000000..5233bd7cacfb
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@...libre.com>
+ */
+
+/dts-v1/;
+
+#include "meson-sm1.dtsi"
+#include "meson-khadas-vim3.dtsi"
+
+/ {
+	compatible = "khadas,vim3l", "amlogic,sm1";
+	model = "Khadas VIM3L";
+
+	vddcpu: regulator-vddcpu {
+		/*
+		 * Silergy SY8030DEC Regulator.
+		 */
+		compatible = "pwm-regulator";
+
+		regulator-name = "VDDCPU";
+		regulator-min-microvolt = <690000>;
+		regulator-max-microvolt = <1050000>;
+
+		vin-supply = <&vsys_3v3>;
+
+		pwms = <&pwm_AO_cd 1 1250 0>;
+		pwm-dutycycle-range = <100 0>;
+
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU_CLK>;
+	clock-latency = <50000>;
+};
+
+&cpu1 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU1_CLK>;
+	clock-latency = <50000>;
+};
+
+&cpu2 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU2_CLK>;
+	clock-latency = <50000>;
+};
+
+&cpu3 {
+	cpu-supply = <&vddcpu>;
+	operating-points-v2 = <&cpu_opp_table>;
+	clocks = <&clkc CLKID_CPU3_CLK>;
+	clock-latency = <50000>;
+};
+
+&pwm_AO_cd {
+	pinctrl-0 = <&pwm_ao_d_e_pins>;
+	pinctrl-names = "default";
+	clocks = <&xtal>;
+	clock-names = "clkin1";
+	status = "okay";
+};
-- 
2.22.0