Patchwork [v7,2/3] i2c: nvidia-gpu: Supply CCGx driver the fw build info

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Submitter Ajay Gupta
Date April 12, 2019, 7:06 p.m.
Message ID <20190412190623.26945-3-ajayg@nvidia.com>
Download mbox | patch
Permalink /patch/772107/
State New
Headers show

Comments

Ajay Gupta - April 12, 2019, 7:06 p.m.
From: Heikki Krogerus <heikki.krogerus () linux ! intel ! com>

Adding device property "ccgx,firmware-build" for the CCGx
device, so the CCGx driver knows which firmware binary to
use for a specific vendor.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
---
 drivers/i2c/busses/i2c-nvidia-gpu.c | 7 +++++++
 1 file changed, 7 insertions(+)

Patch

diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c
index 4e67d5ed480e..1c8f708f212b 100644
--- a/drivers/i2c/busses/i2c-nvidia-gpu.c
+++ b/drivers/i2c/busses/i2c-nvidia-gpu.c
@@ -253,6 +253,12 @@  static const struct pci_device_id gpu_i2c_ids[] = {
 };
 MODULE_DEVICE_TABLE(pci, gpu_i2c_ids);
 
+static const struct property_entry ccgx_props[] = {
+	/* Use FW built for NVIDIA (nv) only */
+	PROPERTY_ENTRY_U16("ccgx,firmware-build", ('n' << 8) | 'v'),
+	{ }
+};
+
 static int gpu_populate_client(struct gpu_i2c_dev *i2cd, int irq)
 {
 	struct i2c_client *ccgx_client;
@@ -267,6 +273,7 @@  static int gpu_populate_client(struct gpu_i2c_dev *i2cd, int irq)
 		sizeof(i2cd->gpu_ccgx_ucsi->type));
 	i2cd->gpu_ccgx_ucsi->addr = 0x8;
 	i2cd->gpu_ccgx_ucsi->irq = irq;
+	i2cd->gpu_ccgx_ucsi->properties = ccgx_props;
 	ccgx_client = i2c_new_device(&i2cd->adapter, i2cd->gpu_ccgx_ucsi);
 	if (!ccgx_client)
 		return -ENODEV;