From: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Date: Mon, 20 Nov 2023 04:39:44 +0000 (+0900)
Subject: generic/starfive: Add syscrg reg base compatible string
X-Git-Tag: accepted/tizen/unified/riscv/20231123.095152^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0393f8e32faabd5f86b1ff3434d66c027b22347a;p=platform%2Fkernel%2Fopensbi.git

generic/starfive: Add syscrg reg base compatible string

Add "starfive,jh7110-syscrg" used for setting clk_reg_base. clkgen
uses syscrg reg base. If clkgen does not find a compatible string, it
searches for the syscrg compatible string and get the syscrg reg base.

Change-Id: I9eadbf349eab0c14c27b9db97981820e4a940b70
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
---

diff --git a/platform/generic/starfive/jh7110.c b/platform/generic/starfive/jh7110.c
index 6f87303..5eee472 100644
--- a/platform/generic/starfive/jh7110.c
+++ b/platform/generic/starfive/jh7110.c
@@ -255,6 +255,13 @@ static int starfive_jh7110_inst_init(void *fdt)
 	}
 
 	noff = fdt_node_offset_by_compatible(fdt, -1, "starfive,jh7110-clkgen");
+	/*
+	 * clkgen uses syscrg reg base with index 0.
+	 * If clkgen does not find a compatible string, it searches for
+	 * the syscrg compatible string and get the syscrg reg base.
+	 */
+	if (noff == -FDT_ERR_NOTFOUND)
+		noff = fdt_node_offset_by_compatible(fdt, -1, "starfive,jh7110-syscrg");
 	if (-1 < noff) {
 		rc = fdt_get_node_addr_size(fdt, noff, 0, &addr, NULL);
 		if (rc)