ARM64: dts: meson: add mmc clk gate pins

Add the pinctrl to switch mmc clk pins in gpio (pulled down) mode. This
is necessary to be able to gate the clk outside of the SoC while
keeping it running in the controller

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
index d4f9c5b..4157987 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
@@ -168,7 +168,8 @@
 &sd_emmc_a {
        status = "okay";
        pinctrl-0 = <&sdio_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
        #address-cells = <1>;
        #size-cells = <0>;
 
@@ -194,7 +195,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -212,7 +214,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
index 7dae6ac..60d5f2d 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
@@ -250,7 +250,8 @@
 &sd_emmc_a {
        status = "okay";
        pinctrl-0 = <&sdio_pins>, <&sdio_irq_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
        #address-cells = <1>;
        #size-cells = <0>;
 
@@ -276,7 +277,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -294,7 +296,8 @@
 &sd_emmc_c {
        status = "disabled";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        max-frequency = <200000000>;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
index a690956..38dfdde 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts
@@ -51,7 +51,7 @@
 / {
        compatible = "nexbox,a95x", "amlogic,meson-gxbb";
        model = "NEXBOX A95X";
-       
+
        aliases {
                serial0 = &uart_AO;
        };
@@ -232,7 +232,8 @@
 &sd_emmc_a {
        status = "okay";
        pinctrl-0 = <&sdio_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
        #address-cells = <1>;
        #size-cells = <0>;
 
@@ -253,7 +254,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -271,7 +273,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index a12303b..1ffa1c2 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -50,7 +50,7 @@
 / {
        compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
        model = "Hardkernel ODROID-C2";
-       
+
        aliases {
                serial0 = &uart_AO;
        };
@@ -253,7 +253,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -271,7 +272,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        max-frequency = <200000000>;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
index d77e195..704b214 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
@@ -194,7 +194,8 @@
 &sd_emmc_a {
        status = "okay";
        pinctrl-0 = <&sdio_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
        #address-cells = <1>;
        #size-cells = <0>;
 
@@ -220,7 +221,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -238,7 +240,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
index 0262ef8..f2bc6de 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
@@ -155,7 +155,8 @@
 &sd_emmc_a {
        status = "okay";
        pinctrl-0 = <&sdio_pins &sdio_irq_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
        #address-cells = <1>;
        #size-cells = <0>;
 
@@ -181,7 +182,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -198,7 +200,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 8f0c0cb..af834cd 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -392,6 +392,17 @@
                        };
                };
 
+               emmc_clk_gate_pins: emmc_clk_gate {
+                       mux {
+                               groups = "BOOT_8";
+                               function = "gpio_periphs";
+                       };
+                       cfg-pull-down {
+                               pins = "BOOT_8";
+                               bias-pull-down;
+                       };
+               };
+
                nor_pins: nor {
                        mux {
                                groups = "nor_d",
@@ -430,6 +441,17 @@
                        };
                };
 
+               sdcard_clk_gate_pins: sdcard_clk_gate {
+                       mux {
+                               groups = "CARD_2";
+                               function = "gpio_periphs";
+                       };
+                       cfg-pull-down {
+                               pins = "CARD_2";
+                               bias-pull-down;
+                       };
+               };
+
                sdio_pins: sdio {
                        mux {
                                groups = "sdio_d0",
@@ -442,6 +464,17 @@
                        };
                };
 
+               sdio_clk_gate_pins: sdio_clk_gate {
+                       mux {
+                               groups = "GPIOX_4";
+                               function = "gpio_periphs";
+                       };
+                       cfg-pull-down {
+                               pins = "GPIOX_4";
+                               bias-pull-down;
+                       };
+               };
+
                sdio_irq_pins: sdio_irq {
                        mux {
                                groups = "sdio_irq";

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-hwacom-amazetv.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-hwacom-amazetv.dts
index f779a98..977b424 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-hwacom-amazetv.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-hwacom-amazetv.dts
@@ -123,7 +123,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -141,7 +142,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index 69ca14a..a014c05 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -197,7 +197,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -215,7 +216,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts
index 21274a6..1b8f328 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts
@@ -189,7 +189,8 @@
 &sd_emmc_a {
        status = "okay";
        pinctrl-0 = <&sdio_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
        #address-cells = <1>;
        #size-cells = <0>;
 
@@ -210,7 +211,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -228,7 +230,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
index 8899121..129af90 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi
@@ -95,7 +95,8 @@
 &sd_emmc_a {
        status = "okay";
        pinctrl-0 = <&sdio_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
        #address-cells = <1>;
        #size-cells = <0>;
 
@@ -116,7 +117,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -134,7 +136,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index 829d84d..d8dd329 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -281,6 +281,17 @@
                        };
                };
 
+               emmc_clk_gate_pins: emmc_clk_gate {
+                       mux {
+                               groups = "BOOT_8";
+                               function = "gpio_periphs";
+                       };
+                       cfg-pull-down {
+                               pins = "BOOT_8";
+                               bias-pull-down;
+                       };
+               };
+
                nor_pins: nor {
                        mux {
                                groups = "nor_d",
@@ -319,6 +330,17 @@
                        };
                };
 
+               sdcard_clk_gate_pins: sdcard_clk_gate {
+                       mux {
+                               groups = "CARD_2";
+                               function = "gpio_periphs";
+                       };
+                       cfg-pull-down {
+                               pins = "CARD_2";
+                               bias-pull-down;
+                       };
+               };
+
                sdio_pins: sdio {
                        mux {
                                groups = "sdio_d0",
@@ -331,6 +353,17 @@
                        };
                };
 
+               sdio_clk_gate_pins: sdio_clk_gate {
+                       mux {
+                               groups = "GPIOX_4";
+                               function = "gpio_periphs";
+                       };
+                       cfg-pull-down {
+                               pins = "GPIOX_4";
+                               bias-pull-down;
+                       };
+               };
+
                sdio_irq_pins: sdio_irq {
                        mux {
                                groups = "sdio_irq";

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
index ff8a9f7..22c6977 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts
@@ -175,7 +175,8 @@
 &sd_emmc_b {
        status = "okay";
        pinctrl-0 = <&sdcard_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&sdcard_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <4>;
        cap-sd-highspeed;
@@ -193,7 +194,8 @@
 &sd_emmc_c {
        status = "okay";
        pinctrl-0 = <&emmc_pins>;
-       pinctrl-names = "default";
+       pinctrl-1 = <&emmc_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
 
        bus-width = <8>;
        cap-mmc-highspeed;