15 #include <dt-bindings/soc/qcom,gsbi.h>
132 	struct gsbi_info *gsbi;  in gsbi_probe()  local
137 	gsbi = devm_kzalloc(&pdev->dev, sizeof(*gsbi), GFP_KERNEL);  in gsbi_probe()
139 	if (!gsbi)  in gsbi_probe()
148 	gsbi->tcsr = syscon_regmap_lookup_by_phandle(node, "syscon-tcsr");  in gsbi_probe()
150 	if (!IS_ERR(gsbi->tcsr)) {  in gsbi_probe()
173 	if (of_property_read_u32(node, "qcom,mode", &gsbi->mode)) {  in gsbi_probe()
179 	of_property_read_u32(node, "qcom,crci", &gsbi->crci);  in gsbi_probe()
181 	dev_info(&pdev->dev, "GSBI port protocol: %d crci: %d\n",  in gsbi_probe()
182 		 gsbi->mode, gsbi->crci);  in gsbi_probe()
183 	gsbi->hclk = devm_clk_get(&pdev->dev, "iface");  in gsbi_probe()
184 	if (IS_ERR(gsbi->hclk))  in gsbi_probe()
185 		return PTR_ERR(gsbi->hclk);  in gsbi_probe()
187 	clk_prepare_enable(gsbi->hclk);  in gsbi_probe()
189 	writel_relaxed((gsbi->mode << GSBI_PROTOCOL_SHIFT) | gsbi->crci,  in gsbi_probe()
194 	 * Each gsbi contains a pair of bits, one for RX and one for TX  in gsbi_probe()
201 			if (gsbi->mode == GSBI_PROT_SPI)  in gsbi_probe()
202 				regmap_update_bits(gsbi->tcsr,  in gsbi_probe()
205 				regmap_update_bits(gsbi->tcsr,  in gsbi_probe()
211 	/* make sure the gsbi control write is not reordered */  in gsbi_probe()
214 	platform_set_drvdata(pdev, gsbi);  in gsbi_probe()
218 		clk_disable_unprepare(gsbi->hclk);  in gsbi_probe()
224 	struct gsbi_info *gsbi = platform_get_drvdata(pdev);  in gsbi_remove()  local
226 	clk_disable_unprepare(gsbi->hclk);  in gsbi_remove()
232 	{ .compatible = "qcom,gsbi-v1.0.0", },
240 		.name		= "gsbi",
250 MODULE_DESCRIPTION("QCOM GSBI driver");