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authorArnd Bergmann <arnd@arndb.de>2018-12-20 16:37:38 +0100
committerArnd Bergmann <arnd@arndb.de>2018-12-20 16:37:44 +0100
commit10f9d7fd56fec2244636dffb122673af663cf383 (patch)
tree9410c6e04eb3486fb9d892bfc07a6e3f59dbec3e
parent826833df4e4b396beef6420647aabe409bd84533 (diff)
parent5da94b50475acaa728560e8c1d3f7291e1062eb3 (diff)
Merge tag 'am654-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux into next/dt
AM65x DT changes for 4.21. Includes: - Pinctrl support - I2C support - ECAP PWM support - Power domain handling for UARTs - McSPI support * tag 'am654-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux: arm64: dts: ti: k3-am654: Enable main domain McSPI0 arm64: dts: ti: k3-am654: Add McSPI DT nodes arm64: dts: ti: k3-am654: Populate power-domain property for UART nodes arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM arm64: dts: ti: k3-am65-main: Add ECAP PWM node arm64: dts: ti: k3-am654-base-board: Add I2C nodes arm64: dts: ti: am654-base-board: Add pinmux for main uart0 arm64: dts: ti: k3-am65: Add pinctrl regions dt-bindings: pinctrl: k3: Introduce pinmux definitions arm64: dts: ti: k3-am654: Fix wakeup_uart reg address Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--MAINTAINERS1
-rw-r--r--arch/arm64/boot/dts/ti/k3-am65-main.dtsi126
-rw-r--r--arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi42
-rw-r--r--arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi22
-rw-r--r--arch/arm64/boot/dts/ti/k3-am65.dtsi7
-rw-r--r--arch/arm64/boot/dts/ti/k3-am654-base-board.dts124
-rw-r--r--include/dt-bindings/pinctrl/k3.h35
7 files changed, 354 insertions, 3 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 6b734c6a4356..0062486672c5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2204,6 +2204,7 @@ S: Supported
F: Documentation/devicetree/bindings/arm/ti/k3.txt
F: arch/arm64/boot/dts/ti/Makefile
F: arch/arm64/boot/dts/ti/k3-*
+F: include/dt-bindings/pinctrl/k3.h
ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
M: Santosh Shilimkar <ssantosh@kernel.org>
diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index adcd6341e40c..272cf8fc8d30 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -48,6 +48,7 @@
interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <48000000>;
current-speed = <115200>;
+ power-domains = <&k3_pds 146>;
};
main_uart1: serial@2810000 {
@@ -57,7 +58,7 @@
reg-io-width = <4>;
interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <48000000>;
- current-speed = <115200>;
+ power-domains = <&k3_pds 147>;
};
main_uart2: serial@2820000 {
@@ -67,6 +68,127 @@
reg-io-width = <4>;
interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <48000000>;
- current-speed = <115200>;
+ power-domains = <&k3_pds 148>;
+ };
+
+ main_pmx0: pinmux@11c000 {
+ compatible = "pinctrl-single";
+ reg = <0x0 0x11c000 0x0 0x2e4>;
+ #pinctrl-cells = <1>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ };
+
+ main_pmx1: pinmux@11c2e8 {
+ compatible = "pinctrl-single";
+ reg = <0x0 0x11c2e8 0x0 0x24>;
+ #pinctrl-cells = <1>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ };
+
+ main_i2c0: i2c@2000000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2000000 0x0 0x100>;
+ interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 110 1>;
+ power-domains = <&k3_pds 110>;
+ };
+
+ main_i2c1: i2c@2010000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2010000 0x0 0x100>;
+ interrupts = <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 111 1>;
+ power-domains = <&k3_pds 111>;
+ };
+
+ main_i2c2: i2c@2020000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2020000 0x0 0x100>;
+ interrupts = <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 112 1>;
+ power-domains = <&k3_pds 112>;
+ };
+
+ main_i2c3: i2c@2030000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2030000 0x0 0x100>;
+ interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 113 1>;
+ power-domains = <&k3_pds 113>;
+ };
+
+ ecap0: pwm@3100000 {
+ compatible = "ti,am654-ecap", "ti,am3352-ecap";
+ #pwm-cells = <3>;
+ reg = <0x0 0x03100000 0x0 0x60>;
+ power-domains = <&k3_pds 39>;
+ clocks = <&k3_clks 39 0>;
+ clock-names = "fck";
+ };
+
+ main_spi0: spi@2100000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x2100000 0x0 0x400>;
+ interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 137 1>;
+ power-domains = <&k3_pds 137>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ main_spi1: spi@2110000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x2110000 0x0 0x400>;
+ interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 138 1>;
+ power-domains = <&k3_pds 138>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ assigned-clocks = <&k3_clks 137 1>;
+ assigned-clock-rates = <48000000>;
+ };
+
+ main_spi2: spi@2120000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x2120000 0x0 0x400>;
+ interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 139 1>;
+ power-domains = <&k3_pds 139>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ main_spi3: spi@2130000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x2130000 0x0 0x400>;
+ interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 140 1>;
+ power-domains = <&k3_pds 140>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ main_spi4: spi@2140000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x2140000 0x0 0x400>;
+ interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 141 1>;
+ power-domains = <&k3_pds 141>;
+ #address-cells = <1>;
+ #size-cells = <0>;
};
};
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 8c611d16df44..593f718e8fb5 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -14,5 +14,47 @@
interrupts = <GIC_SPI 565 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <96000000>;
current-speed = <115200>;
+ power-domains = <&k3_pds 149>;
+ };
+
+ mcu_i2c0: i2c@40b00000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x40b00000 0x0 0x100>;
+ interrupts = <GIC_SPI 564 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 114 1>;
+ power-domains = <&k3_pds 114>;
+ };
+
+ mcu_spi0: spi@40300000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x40300000 0x0 0x400>;
+ interrupts = <GIC_SPI 560 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 142 1>;
+ power-domains = <&k3_pds 142>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ mcu_spi1: spi@40310000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x40310000 0x0 0x400>;
+ interrupts = <GIC_SPI 561 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 143 1>;
+ power-domains = <&k3_pds 143>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ mcu_spi2: spi@40320000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x40320000 0x0 0x400>;
+ interrupts = <GIC_SPI 562 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 144 1>;
+ power-domains = <&k3_pds 144>;
+ #address-cells = <1>;
+ #size-cells = <0>;
};
};
diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
index affc3c309353..7cbdc0912ab7 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
@@ -34,13 +34,33 @@
};
};
+ wkup_pmx0: pinmux@4301c000 {
+ compatible = "pinctrl-single";
+ reg = <0x4301c000 0x118>;
+ #pinctrl-cells = <1>;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ };
+
wkup_uart0: serial@42300000 {
compatible = "ti,am654-uart";
- reg = <0x00 0x42300000 0x00 0x100>;
+ reg = <0x42300000 0x100>;
reg-shift = <2>;
reg-io-width = <4>;
interrupts = <GIC_SPI 697 IRQ_TYPE_LEVEL_HIGH>;
clock-frequency = <48000000>;
current-speed = <115200>;
+ power-domains = <&k3_pds 150>;
+ };
+
+ wkup_i2c0: i2c@42120000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x42120000 0x100>;
+ interrupts = <GIC_SPI 696 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 115 1>;
+ power-domains = <&k3_pds 115>;
};
};
diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
index 3d4bf369d030..50f4be2047a9 100644
--- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
@@ -8,6 +8,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/k3.h>
/ {
model = "Texas Instruments K3 AM654 SoC";
@@ -22,6 +23,12 @@
serial2 = &main_uart0;
serial3 = &main_uart1;
serial4 = &main_uart2;
+ i2c0 = &wkup_i2c0;
+ i2c1 = &mcu_i2c0;
+ i2c2 = &main_i2c0;
+ i2c3 = &main_i2c1;
+ i2c4 = &main_i2c2;
+ i2c5 = &main_i2c3;
};
chosen { };
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index e146ac2ad781..e41fc3a5987b 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -35,7 +35,131 @@
};
};
+&wkup_pmx0 {
+ wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
+ AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
+ >;
+ };
+};
+
+&main_pmx0 {
+ main_uart0_pins_default: main-uart0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x01e4, PIN_INPUT, 0) /* (AF11) UART0_RXD */
+ AM65X_IOPAD(0x01e8, PIN_OUTPUT, 0) /* (AE11) UART0_TXD */
+ AM65X_IOPAD(0x01ec, PIN_INPUT, 0) /* (AG11) UART0_CTSn */
+ AM65X_IOPAD(0x01f0, PIN_OUTPUT, 0) /* (AD11) UART0_RTSn */
+ >;
+ };
+
+ main_i2c2_pins_default: main-i2c2-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0074, PIN_INPUT, 5) /* (T27) GPMC0_CSn3.I2C2_SCL */
+ AM65X_IOPAD(0x0070, PIN_INPUT, 5) /* (R25) GPMC0_CSn2.I2C2_SDA */
+ >;
+ };
+
+ main_spi0_pins_default: main-spi0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x01c4, PIN_INPUT, 0) /* (AH13) SPI0_CLK */
+ AM65X_IOPAD(0x01c8, PIN_INPUT, 0) /* (AE13) SPI0_D0 */
+ AM65X_IOPAD(0x01cc, PIN_INPUT, 0) /* (AD13) SPI0_D1 */
+ AM65X_IOPAD(0x01bc, PIN_OUTPUT, 0) /* (AG13) SPI0_CS0 */
+ >;
+ };
+};
+
+&main_pmx1 {
+ main_i2c0_pins_default: main-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0000, PIN_INPUT, 0) /* (D20) I2C0_SCL */
+ AM65X_IOPAD(0x0004, PIN_INPUT, 0) /* (C21) I2C0_SDA */
+ >;
+ };
+
+ main_i2c1_pins_default: main-i2c1-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0008, PIN_INPUT, 0) /* (B21) I2C1_SCL */
+ AM65X_IOPAD(0x000c, PIN_INPUT, 0) /* (E21) I2C1_SDA */
+ >;
+ };
+
+ ecap0_pins_default: ecap0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0010, PIN_INPUT, 0) /* (D21) ECAP0_IN_APWM_OUT */
+ >;
+ };
+};
+
&wkup_uart0 {
/* Wakeup UART is used by System firmware */
status = "disabled";
};
+
+&main_uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart0_pins_default>;
+};
+
+&wkup_i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ pca9554: gpio@39 {
+ compatible = "nxp,pca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
+&main_i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ pca9555: gpio@21 {
+ compatible = "nxp,pca9555";
+ reg = <0x21>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
+&main_i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c1_pins_default>;
+ clock-frequency = <400000>;
+};
+
+&main_i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c2_pins_default>;
+ clock-frequency = <400000>;
+};
+
+&ecap0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ecap0_pins_default>;
+};
+
+&main_spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_spi0_pins_default>;
+ #address-cells = <1>;
+ #size-cells= <0>;
+ ti,pindir-d0-out-d1-in = <1>;
+
+ flash@0{
+ compatible = "jedec,spi-nor";
+ reg = <0x0>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <1>;
+ spi-max-frequency = <48000000>;
+ #address-cells = <1>;
+ #size-cells= <1>;
+ };
+};
diff --git a/include/dt-bindings/pinctrl/k3.h b/include/dt-bindings/pinctrl/k3.h
new file mode 100644
index 000000000000..45e11b6170ca
--- /dev/null
+++ b/include/dt-bindings/pinctrl/k3.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides constants for pinctrl bindings for TI's K3 SoC
+ * family.
+ *
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ */
+#ifndef _DT_BINDINGS_PINCTRL_TI_K3_H
+#define _DT_BINDINGS_PINCTRL_TI_K3_H
+
+#define PULLUDEN_SHIFT (16)
+#define PULLTYPESEL_SHIFT (17)
+#define RXACTIVE_SHIFT (18)
+
+#define PULL_DISABLE (1 << PULLUDEN_SHIFT)
+#define PULL_ENABLE (0 << PULLUDEN_SHIFT)
+
+#define PULL_UP (1 << PULLTYPESEL_SHIFT | PULL_ENABLE)
+#define PULL_DOWN (0 << PULLTYPESEL_SHIFT | PULL_ENABLE)
+
+#define INPUT_EN (1 << RXACTIVE_SHIFT)
+#define INPUT_DISABLE (0 << RXACTIVE_SHIFT)
+
+/* Only these macros are expected be used directly in device tree files */
+#define PIN_OUTPUT (INPUT_DISABLE | PULL_DISABLE)
+#define PIN_OUTPUT_PULLUP (INPUT_DISABLE | PULL_UP)
+#define PIN_OUTPUT_PULLDOWN (INPUT_DISABLE | PULL_DOWN)
+#define PIN_INPUT (INPUT_EN | PULL_DISABLE)
+#define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP)
+#define PIN_INPUT_PULLDOWN (INPUT_EN | PULL_DOWN)
+
+#define AM65X_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode))
+#define AM65X_WKUP_IOPAD(pa, val, muxmode) (((pa) & 0x1fff)) ((val) | (muxmode))
+
+#endif