Merge tag 'mailbox-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox

Pull mailbox updates from Jassi Brar:

 - imx: add support for TX Doorbell v2

 - mtk: implement runtime PM

 - zynqmp: add destination mailbox compatible

 - qcom:
    - add another clock provider for IPQ
    - add SM8650 compatible

 - misc: use preferred device_get_match_data()

* tag 'mailbox-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox:
  dt-bindings: mailbox: qcom-ipcc: document the SM8650 Inter-Processor Communication Controller
  mailbox: mtk-cmdq-mailbox: Implement Runtime PM with autosuspend
  mailbox: Use device_get_match_data()
  dt-bindings: zynqmp: add destination mailbox compatible
  dt-bindings: mailbox: qcom: add one more clock provider for IPQ mailbox
  mailbox: imx: support channel type tx doorbell v2
  dt-bindings: mailbox: fsl,mu: add new tx doorbell channel

Author: torvalds

Documentation/devicetree/bindings/mailbox/fsl,mu.yaml

@@ -72,16 +72,17 @@ properties:
       type      : Channel type
       channel   : Channel number
 
-      This MU support 5 type of unidirectional channels, each type
+      This MU support 6 type of unidirectional channels, each type
       has 4 channels except RST channel which only has 1 channel.
-      A total of 17 channels.  Following types are
+      A total of 21 channels.  Following types are
       supported:
       0 - TX channel with 32bit transmit register and IRQ transmit
           acknowledgment support.
       1 - RX channel with 32bit receive register and IRQ support
       2 - TX doorbell channel. Without own register and no ACK support.
       3 - RX doorbell channel.
       4 - RST channel
+      5 - Tx doorbell channel. With S/W ACK from the other side.
     const: 2
 
   clocks:

Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml

@@ -125,10 +125,12 @@ allOf:
           items:
             - description: primary pll parent of the clock driver
             - description: XO clock
+            - description: GCC GPLL0 clock source
         clock-names:
           items:
             - const: pll
             - const: xo
+            - const: gpll0
 
   - if:
       properties:

Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml

@@ -34,6 +34,7 @@ properties:
           - qcom,sm8350-ipcc
           - qcom,sm8450-ipcc
           - qcom,sm8550-ipcc
+          - qcom,sm8650-ipcc
       - const: qcom,ipcc
 
   reg:

Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml

@@ -74,6 +74,10 @@ patternProperties:
     type: object  # DT nodes are json objects
     additionalProperties: false
     properties:
+
+      compatible:
+        const: xlnx,zynqmp-ipi-dest-mailbox
+
       xlnx,ipi-id:
         description:
           Remote Xilinx IPI agent ID of which the mailbox is connected to.
@@ -95,6 +99,7 @@ patternProperties:
           - const: remote_response_region
 
     required:
+      - compatible
       - reg
       - reg-names
       - "#mbox-cells"
@@ -124,6 +129,7 @@ examples:
         ranges;
 
         mailbox: mailbox@ff9905c0 {
+          compatible = "xlnx,zynqmp-ipi-dest-mailbox";
           reg = <0x0 0xff9905c0 0x0 0x20>,
                 <0x0 0xff9905e0 0x0 0x20>,
                 <0x0 0xff990e80 0x0 0x20>,

drivers/mailbox/bcm-pdc-mailbox.c

@@ -33,10 +33,9 @@
 #include <linux/interrupt.h>
 #include <linux/wait.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/io.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/mailbox_controller.h>
 #include <linux/mailbox/brcm-message.h>
@@ -1494,7 +1493,6 @@ static int pdc_dt_read(struct platform_device *pdev, struct pdc_state *pdcs)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *dn = pdev->dev.of_node;
-	const struct of_device_id *match;
 	const int *hw_type;
 	int err;
 
@@ -1509,11 +1507,9 @@ static int pdc_dt_read(struct platform_device *pdev, struct pdc_state *pdcs)
 
 	pdcs->hw_type = PDC_HW;
 
-	match = of_match_device(of_match_ptr(pdc_mbox_of_match), dev);
-	if (match != NULL) {
-		hw_type = match->data;
+	hw_type = device_get_match_data(dev);
+	if (hw_type)
 		pdcs->hw_type = *hw_type;
-	}
 
 	return 0;
 }

drivers/mailbox/imx-mailbox.c

@@ -20,7 +20,9 @@
 #include <linux/suspend.h>
 #include <linux/slab.h>
 
-#define IMX_MU_CHANS		17
+#include "mailbox.h"
+
+#define IMX_MU_CHANS		24
 /* TX0/RX0/RXDB[0-3] */
 #define IMX_MU_SCU_CHANS	6
 /* TX0/RX0 */
@@ -39,6 +41,7 @@ enum imx_mu_chan_type {
 	IMX_MU_TYPE_TXDB	= 2, /* Tx doorbell */
 	IMX_MU_TYPE_RXDB	= 3, /* Rx doorbell */
 	IMX_MU_TYPE_RST		= 4, /* Reset */
+	IMX_MU_TYPE_TXDB_V2	= 5, /* Tx doorbell with S/W ACK */
 };
 
 enum imx_mu_xcr {
@@ -226,6 +229,9 @@ static int imx_mu_generic_tx(struct imx_mu_priv *priv,
 		imx_mu_xcr_rmw(priv, IMX_MU_GCR, IMX_MU_xCR_GIRn(priv->dcfg->type, cp->idx), 0);
 		tasklet_schedule(&cp->txdb_tasklet);
 		break;
+	case IMX_MU_TYPE_TXDB_V2:
+		imx_mu_xcr_rmw(priv, IMX_MU_GCR, IMX_MU_xCR_GIRn(priv->dcfg->type, cp->idx), 0);
+		break;
 	default:
 		dev_warn_ratelimited(priv->dev, "Send data on wrong channel type: %d\n", cp->type);
 		return -EINVAL;
@@ -554,6 +560,9 @@ static int imx_mu_startup(struct mbox_chan *chan)
 	int ret;
 
 	pm_runtime_get_sync(priv->dev);
+	if (cp->type == IMX_MU_TYPE_TXDB_V2)
+		return 0;
+
 	if (cp->type == IMX_MU_TYPE_TXDB) {
 		/* Tx doorbell don't have ACK support */
 		tasklet_init(&cp->txdb_tasklet, imx_mu_txdb_tasklet,
@@ -595,6 +604,11 @@ static void imx_mu_shutdown(struct mbox_chan *chan)
 	int ret;
 	u32 sr;
 
+	if (cp->type == IMX_MU_TYPE_TXDB_V2) {
+		pm_runtime_put_sync(priv->dev);
+		return;
+	}
+
 	if (cp->type == IMX_MU_TYPE_TXDB) {
 		tasklet_kill(&cp->txdb_tasklet);
 		pm_runtime_put_sync(priv->dev);
@@ -671,6 +685,7 @@ static struct mbox_chan *imx_mu_specific_xlate(struct mbox_controller *mbox,
 static struct mbox_chan * imx_mu_xlate(struct mbox_controller *mbox,
 				       const struct of_phandle_args *sp)
 {
+	struct mbox_chan *p_chan;
 	u32 type, idx, chan;
 
 	if (sp->args_count != 2) {
@@ -680,14 +695,25 @@ static struct mbox_chan * imx_mu_xlate(struct mbox_controller *mbox,
 
 	type = sp->args[0]; /* channel type */
 	idx = sp->args[1]; /* index */
-	chan = type * 4 + idx;
 
+	/* RST only supports 1 channel */
+	if ((type == IMX_MU_TYPE_RST) && idx) {
+		dev_err(mbox->dev, "Invalid RST channel %d\n", idx);
+		return ERR_PTR(-EINVAL);
+	}
+
+	chan = type * 4 + idx;
 	if (chan >= mbox->num_chans) {
 		dev_err(mbox->dev, "Not supported channel number: %d. (type: %d, idx: %d)\n", chan, type, idx);
 		return ERR_PTR(-EINVAL);
 	}
 
-	return &mbox->chans[chan];
+	p_chan = &mbox->chans[chan];
+
+	if (type == IMX_MU_TYPE_TXDB_V2)
+		p_chan->txdone_method = TXDONE_BY_ACK;
+
+	return p_chan;
 }
 
 static struct mbox_chan *imx_mu_seco_xlate(struct mbox_controller *mbox,

drivers/mailbox/mailbox-sti.c

@@ -17,8 +17,8 @@
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/slab.h>
 
 #include "mailbox.h"
@@ -403,20 +403,18 @@ MODULE_DEVICE_TABLE(of, sti_mailbox_match);
 
 static int sti_mbox_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct mbox_controller *mbox;
 	struct sti_mbox_device *mdev;
 	struct device_node *np = pdev->dev.of_node;
 	struct mbox_chan *chans;
 	int irq;
 	int ret;
 
-	match = of_match_device(sti_mailbox_match, &pdev->dev);
-	if (!match) {
+	pdev->dev.platform_data = (struct sti_mbox_pdata *)device_get_match_data(&pdev->dev);
+	if (!pdev->dev.platform_data) {
 		dev_err(&pdev->dev, "No configuration found\n");
 		return -ENODEV;
 	}
-	pdev->dev.platform_data = (struct sti_mbox_pdata *) match->data;
 
 	mdev = devm_kzalloc(&pdev->dev, sizeof(*mdev), GFP_KERNEL);
 	if (!mdev)