11  * QUICC Engine (QE).
30 #include <soc/fsl/qe/immap_qe.h>
31 #include <soc/fsl/qe/qe.h>
54 	struct device_node *qe;  in qe_get_device_node()  local
57 	 * Newer device trees have an "fsl,qe" compatible property for the QE  in qe_get_device_node()
60 	qe = of_find_compatible_node(NULL, NULL, "fsl,qe");  in qe_get_device_node()
61 	if (qe)  in qe_get_device_node()
62 		return qe;  in qe_get_device_node()
63 	return of_find_node_by_type(NULL, "qe");  in qe_get_device_node()
68 	struct device_node *qe;  in get_qe_base()  local
75 	qe = qe_get_device_node();  in get_qe_base()
76 	if (!qe)  in get_qe_base()
79 	ret = of_address_to_resource(qe, 0, &res);  in get_qe_base()
82 	of_node_put(qe);  in get_qe_base()
146  * 16 BRGs, which can be connected to the QE channels or output
149  * The BRG clock is the QE clock divided by 2.
162 	struct device_node *qe;  in qe_get_brg_clk()  local
169 	qe = qe_get_device_node();  in qe_get_brg_clk()
170 	if (!qe)  in qe_get_brg_clk()
173 	if (!of_property_read_u32(qe, "brg-frequency", &brg))  in qe_get_brg_clk()
176 	of_node_put(qe);  in qe_get_brg_clk()
241 /* Convert a string to a QE clock source enum
280  * QE Module Control chapter, SNUM table
304 	struct device_node *qe;  in qe_snums_init()  local
310 	qe = qe_get_device_node();  in qe_snums_init()
311 	if (qe) {  in qe_snums_init()
312 		i = of_property_read_variable_u8_array(qe, "fsl,qe-snums",  in qe_snums_init()
315 			of_node_put(qe);  in qe_snums_init()
321 		 * fsl,qe-num-snums to choose one of the static arrays  in qe_snums_init()
324 		of_property_read_u32(qe, "fsl,qe-num-snums", &qe_num_of_snum);  in qe_snums_init()
325 		of_node_put(qe);  in qe_snums_init()
333 		pr_err("QE: unsupported value of fsl,qe-num-snums: %u\n", qe_num_of_snum);  in qe_snums_init()
394  * Set to 1 if QE firmware has been uploaded, and therefore
400  * Upload a QE microcode
412 		printk(KERN_INFO "qe-firmware: "  in qe_upload_microcode()
416 		printk(KERN_INFO "qe-firmware: "  in qe_upload_microcode()
433  * See Documentation/arch/powerpc/qe_firmware.rst for information on QE microcode
457 		printk(KERN_ERR "qe-firmware: invalid pointer\n");  in qe_upload_firmware()
467 		printk(KERN_ERR "qe-firmware: not a microcode\n");  in qe_upload_firmware()
473 		printk(KERN_ERR "qe-firmware: unsupported version\n");  in qe_upload_firmware()
479 		printk(KERN_ERR "qe-firmware: invalid data\n");  in qe_upload_firmware()
497 		printk(KERN_ERR "qe-firmware: invalid length\n");  in qe_upload_firmware()
504 		printk(KERN_ERR "qe-firmware: firmware CRC is invalid\n");  in qe_upload_firmware()
516 			"qe-firmware: firmware '%s' for %u V%u.%u\n",  in qe_upload_firmware()
520 		printk(KERN_INFO "qe-firmware: firmware '%s'\n",  in qe_upload_firmware()
524 	 * The QE only supports one microcode per RISC, so clear out all the  in qe_upload_firmware()
570 	struct device_node *qe;  in qe_get_firmware_info()  local
586 	qe = qe_get_device_node();  in qe_get_firmware_info()
587 	if (!qe)  in qe_get_firmware_info()
591 	fw = of_get_child_by_name(qe, "firmware");  in qe_get_firmware_info()
592 	of_node_put(qe);  in qe_get_firmware_info()
620 	struct device_node *qe;  in qe_get_num_of_risc()  local
623 	qe = qe_get_device_node();  in qe_get_num_of_risc()
624 	if (!qe)  in qe_get_num_of_risc()
627 	of_property_read_u32(qe, "fsl,qe-num-riscs", &num_of_risc);  in qe_get_num_of_risc()
629 	of_node_put(qe);  in qe_get_num_of_risc()
645 	np = of_find_compatible_node(NULL, NULL, "fsl,qe");  in qe_init()
668 	{ .compatible = "fsl,qe", },
674 		.name = "fsl-qe",