linux-kernel - [PATCH] arm64: dts: meson-g12-common: add spicc controller nodes

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Date:   Fri, 13 Mar 2020 10:14:01 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com
Cc:     linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH] arm64: dts: meson-g12-common: add spicc controller nodes

This adds the controller and pinctrl nodes for the Amlogic G12A SPICC
controllers.

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
Kevin,

This depends on the CLKID_SPICC0_SCLK and CLKID_SPICC1_SCLK introduced
in https://lore.kernel.org/linux-arm-kernel/20200219084928.28707-2-narmstrong@baylibre.com/

Neil

 .../boot/dts/amlogic/meson-g12-common.dtsi    | 75 +++++++++++++++++++
 1 file changed, 75 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index abe04f4ad7d8..3e1dfa80651d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -957,6 +957,57 @@
 						};
 					};
 
+					spicc0_x_pins: spicc0-x {
+						mux {
+							groups = "spi0_mosi_x",
+							       "spi0_miso_x",
+							       "spi0_clk_x";
+							function = "spi0";
+							drive-strength-microamp = <4000>;
+							bias-disable;
+						};
+					};
+
+					spicc0_ss0_x_pins: spicc0-ss0-x {
+						mux {
+							groups = "spi0_ss0_x";
+							function = "spi0";
+							drive-strength-microamp = <4000>;
+							bias-disable;
+						};
+					};
+
+					spicc0_c_pins: spicc0-c {
+						mux {
+							groups = "spi0_mosi_c",
+							       "spi0_miso_c",
+							       "spi0_ss0_c",
+							       "spi0_clk_c";
+							function = "spi0";
+							drive-strength-microamp = <4000>;
+							bias-disable;
+						};
+					};
+
+					spicc1_pins: spicc1 {
+						mux {
+							groups = "spi1_mosi",
+							       "spi1_miso",
+							       "spi1_clk";
+							function = "spi1";
+							drive-strength-microamp = <4000>;
+						};
+					};
+
+					spicc1_ss0_pins: spicc1-ss0 {
+						mux {
+							groups = "spi1_ss0";
+							function = "spi1";
+							drive-strength-microamp = <4000>;
+							bias-disable;
+						};
+					};
+
 					tdm_a_din0_pins: tdm-a-din0 {
 						mux {
 							groups = "tdm_a_din0";
@@ -2051,6 +2102,30 @@
 				amlogic,channel-interrupts = <64 65 66 67 68 69 70 71>;
 			};
 
+			spicc0: spi@...00 {
+				compatible = "amlogic,meson-g12a-spicc";
+				reg = <0x0 0x13000 0x0 0x44>;
+				interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clkc CLKID_SPICC0>,
+					 <&clkc CLKID_SPICC0_SCLK>;
+				clock-names = "core", "pclk";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
+			spicc1: spi@...00 {
+				compatible = "amlogic,meson-g12a-spicc";
+				reg = <0x0 0x15000 0x0 0x44>;
+				interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clkc CLKID_SPICC1>,
+					 <&clkc CLKID_SPICC1_SCLK>;
+				clock-names = "core", "pclk";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
 			pwm_ef: pwm@...00 {
 				compatible = "amlogic,meson-g12a-ee-pwm";
 				reg = <0x0 0x19000 0x0 0x20>;
-- 
2.22.0