Amlogic 64-bit DT changes for v4.13 (round 2)

- support new SPI controller driver
 - several more leaf clocks exposed to DT
 - New board: S905x LibreTech CC board
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Merge tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt64

Pull "Amlogic 64-bit DT changes for v4.13 (round 2)" from Kevin Hilman:

- support new SPI controller driver
- several more leaf clocks exposed to DT
- New board: S905x LibreTech CC board

* tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: dts: meson-gxl: Add Libre Technology CC support
  dt-bindings: arm: amlogic: Add Libre Technology CC board
  dt-bindings: add Libre Technology vendor prefix
  ARM64: dts: meson-gx: Add SPICC nodes
  clk: meson-gxbb: un-export the CPU clock
  clk: meson-gxbb: expose UART clocks
  clk: meson-gxbb: expose SPICC gate
  clk: meson-gxbb: expose spdif master clock
  clk: meson-gxbb: expose i2s master clock
  clk: meson-gxbb: expose spdif clock gates

Documentation/devicetree/bindings/arm/amlogic.txt

@@ -52,6 +52,7 @@ Board compatible values (alphabetically, grouped by SoC):
   - "amlogic,p212" (Meson gxl s905x)
   - "hwacom,amazetv" (Meson gxl s905x)
   - "khadas,vim" (Meson gxl s905x)
+  - "libretech,cc" (Meson gxl s905x)
 
   - "amlogic,p230" (Meson gxl s905d)
   - "amlogic,p231" (Meson gxl s905d)

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -173,6 +173,7 @@ lantiq	Lantiq Semiconductor
 lego	LEGO Systems A/S
 lenovo	Lenovo Group Ltd.
 lg	LG Corporation
+libretech	Shenzhen Libre Technology Co., Ltd
 licheepi	Lichee Pi
 linaro	Linaro Limited
 linux	Linux-specific binding

arch/arm64/boot/dts/amlogic/Makefile

@@ -10,6 +10,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-wetek-hub.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-wetek-play2.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-hwacom-amazetv.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-khadas-vim.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-nexbox-a95x.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-p212.dtb
 dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905d-p230.dtb

arch/arm64/boot/dts/amlogic/meson-gx.dtsi

@@ -304,6 +304,15 @@
 				status = "disabled";
 			};
 
+			spicc: spi@8d80 {
+				compatible = "amlogic,meson-gx-spicc";
+				reg = <0x0 0x08d80 0x0 0x80>;
+				interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
 			spifc: spi@8c80 {
 				compatible = "amlogic,meson-gx-spifc", "amlogic,meson-gxbb-spifc";
 				reg = <0x0 0x08c80 0x0 0x80>;

arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi

@@ -671,6 +671,13 @@
 	clock-names = "core", "clkin0", "clkin1";
 };
 
+&spicc {
+	clocks = <&clkc CLKID_SPICC>;
+	clock-names = "core";
+	resets = <&reset RESET_PERIPHS_SPICC>;
+	num-cs = <1>;
+};
+
 &spifc {
 	clocks = <&clkc CLKID_SPI>;
 };

arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2017 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ * Author: Jerome Brunet <jbrunet@baylibre.com>
+ *
+ * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+
+#include "meson-gxl-s905x-p212.dtsi"
+
+/ {
+	compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
+	model = "Libre Technology CC";
+
+	cvbs-connector {
+		compatible = "composite-video-connector";
+
+		port {
+			cvbs_connector_in: endpoint {
+				remote-endpoint = <&cvbs_vdac_out>;
+			};
+		};
+	};
+
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&hdmi_tx_tmds_out>;
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		system {
+			label = "librecomputer:system-status";
+			gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+			panic-indicator;
+		};
+
+		blue {
+			label = "librecomputer:blue";
+			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};
+
+&cvbs_vdac_port {
+	cvbs_vdac_out: endpoint {
+		remote-endpoint = <&cvbs_connector_in>;
+	};
+};
+
+&hdmi_tx {
+	status = "okay";
+	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
+	pinctrl-names = "default";
+};
+
+&hdmi_tx_tmds_port {
+	hdmi_tx_tmds_out: endpoint {
+		remote-endpoint = <&hdmi_connector_in>;
+	};
+};
+
+/*
+ * The following devices exists but are exposed on the general
+ * purpose GPIO header. End user may well decide to use those pins
+ * for another purpose
+ */
+
+&sd_emmc_a {
+	status = "disabled";
+};
+
+&uart_A {
+	status = "disabled";
+};
+
+&wifi32k {
+	status = "disabled";
+};

arch/arm64/boot/dts/amlogic/meson-gxl.dtsi

@@ -612,6 +612,13 @@
 	clock-names = "core", "clkin0", "clkin1";
 };
 
+&spicc {
+	clocks = <&clkc CLKID_SPICC>;
+	clock-names = "core";
+	resets = <&reset RESET_PERIPHS_SPICC>;
+	num-cs = <1>;
+};
+
 &spifc {
 	clocks = <&clkc CLKID_SPI>;
 };

drivers/clk/meson/gxbb.h

@@ -171,7 +171,7 @@
  * to be exposed to client nodes in DT: include/dt-bindings/clock/gxbb-clkc.h
  */
 #define CLKID_SYS_PLL		  0
-/* CLKID_CPUCLK */
+#define CLKID_CPUCLK		  1
 /* CLKID_HDMI_PLL */
 #define CLKID_FIXED_PLL		  3
 /* CLKID_FCLK_DIV2 */
@@ -191,12 +191,12 @@
 #define CLKID_ISA		  18
 #define CLKID_PL301		  19
 #define CLKID_PERIPHS		  20
-#define CLKID_SPICC		  21
+/* CLKID_SPICC */
 /* CLKID_I2C */
 /* #define CLKID_SAR_ADC */
 #define CLKID_SMART_CARD	  24
 /* CLKID_RNG0 */
-#define CLKID_UART0		  26
+/* CLKID_UART0 */
 #define CLKID_SDHC		  27
 #define CLKID_STREAM		  28
 #define CLKID_ASYNC_FIFO	  29
@@ -209,7 +209,7 @@
 /* CLKID_ETH */
 #define CLKID_DEMUX		  37
 /* CLKID_AIU_GLUE */
-#define CLKID_IEC958		  39
+/* CLKID_IEC958 */
 /* CLKID_I2S_OUT */
 #define CLKID_AMCLK		  41
 #define CLKID_AIFIFO2		  42
@@ -218,7 +218,7 @@
 #define CLKID_ADC		  45
 #define CLKID_BLKMV		  46
 /* CLKID_AIU */
-#define CLKID_UART1		  48
+/* CLKID_UART1 */
 #define CLKID_G2D		  49
 /* CLKID_USB0 */
 /* CLKID_USB1 */
@@ -238,7 +238,7 @@
 /* CLKID_USB0_DDR_BRIDGE */
 #define CLKID_MMC_PCLK		  66
 #define CLKID_DVIN		  67
-#define CLKID_UART2		  68
+/* CLKID_UART2 */
 /* #define CLKID_SANA */
 #define CLKID_VPU_INTR		  70
 #define CLKID_SEC_AHB_AHB3_BRIDGE 71
@@ -251,7 +251,7 @@
 #define CLKID_GCLK_VENCI_INT	  78
 #define CLKID_DAC_CLK		  79
 /* CLKID_AOCLK_GATE */
-#define CLKID_IEC958_GATE	  81
+/* CLKID_IEC958_GATE */
 #define CLKID_ENC480P		  82
 #define CLKID_RNG1		  83
 #define CLKID_GCLK_VENCI_INT1	  84
@@ -277,13 +277,13 @@
 #define CLKID_MALI_1_DIV	 104
 /* CLKID_MALI_1	*/
 /* CLKID_MALI	*/
-#define CLKID_CTS_AMCLK		  107
+/* CLKID_CTS_AMCLK */
 #define CLKID_CTS_AMCLK_SEL	  108
 #define CLKID_CTS_AMCLK_DIV	  109
-#define CLKID_CTS_MCLK_I958	  110
+/* CLKID_CTS_MCLK_I958 */
 #define CLKID_CTS_MCLK_I958_SEL	  111
 #define CLKID_CTS_MCLK_I958_DIV	  112
-#define CLKID_CTS_I958		  113
+/* CLKID_CTS_I958 */
 
 #define NR_CLKS			  114
 

include/dt-bindings/clock/gxbb-clkc.h

@@ -5,7 +5,6 @@
 #ifndef __GXBB_CLKC_H
 #define __GXBB_CLKC_H
 
-#define CLKID_CPUCLK		1
 #define CLKID_HDMI_PLL		2
 #define CLKID_FCLK_DIV2		4
 #define CLKID_FCLK_DIV3		5
@@ -13,24 +12,30 @@
 #define CLKID_GP0_PLL		9
 #define CLKID_CLK81		12
 #define CLKID_MPLL2		15
+#define CLKID_SPICC		21
 #define CLKID_I2C		22
 #define CLKID_SAR_ADC		23
 #define CLKID_RNG0		25
+#define CLKID_UART0		26
 #define CLKID_SPI		34
 #define CLKID_ETH		36
 #define CLKID_AIU_GLUE		38
+#define CLKID_IEC958		39
 #define CLKID_I2S_OUT		40
 #define CLKID_MIXER_IFACE	44
 #define CLKID_AIU		47
+#define CLKID_UART1		48
 #define CLKID_USB0		50
 #define CLKID_USB1		51
 #define CLKID_USB		55
 #define CLKID_HDMI_PCLK		63
 #define CLKID_USB1_DDR_BRIDGE	64
 #define CLKID_USB0_DDR_BRIDGE	65
+#define CLKID_UART2		68
 #define CLKID_SANA		69
 #define CLKID_GCLK_VENCI_INT0	77
 #define CLKID_AOCLK_GATE	80
+#define CLKID_IEC958_GATE	81
 #define CLKID_AO_I2C		93
 #define CLKID_SD_EMMC_A		94
 #define CLKID_SD_EMMC_B		95
@@ -42,5 +47,8 @@
 #define CLKID_MALI_1_SEL	103
 #define CLKID_MALI_1		105
 #define CLKID_MALI		106
+#define CLKID_CTS_AMCLK		107
+#define CLKID_CTS_MCLK_I958	110
+#define CLKID_CTS_I958		113
 
 #endif /* __GXBB_CLKC_H */