diff options
| author | Caleb Connolly | 2024-04-09 20:03:04 +0200 |
|---|---|---|
| committer | Caleb Connolly | 2024-04-23 13:29:08 +0200 |
| commit | 6a0b9d887e7093ab43add9b56848715c9d97955f (patch) | |
| tree | 7dd29d37a23e556d507903a81ae761236a82bf21 /drivers/clk | |
| parent | 86c6093327e8777ac896d5073cc5853205535e82 (diff) | |
clk/qcom: sdm845: enable SDCC2 core clock
Allow setting the clock rate for the SD card core clock. This is
required for SD card support on SDM845 devices.
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/qcom/clock-qcom.h | 1 | ||||
| -rw-r--r-- | drivers/clk/qcom/clock-sdm845.c | 17 |
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clock-qcom.h b/drivers/clk/qcom/clock-qcom.h index cc170d8e3f9..f6445c8f566 100644 --- a/drivers/clk/qcom/clock-qcom.h +++ b/drivers/clk/qcom/clock-qcom.h @@ -13,6 +13,7 @@ #define CFG_CLK_SRC_GPLL9 (2 << 8) #define CFG_CLK_SRC_GPLL6 (4 << 8) #define CFG_CLK_SRC_GPLL7 (3 << 8) +#define CFG_CLK_SRC_GPLL4 (5 << 8) #define CFG_CLK_SRC_GPLL0_EVEN (6 << 8) #define CFG_CLK_SRC_MASK (7 << 8) diff --git a/drivers/clk/qcom/clock-sdm845.c b/drivers/clk/qcom/clock-sdm845.c index e9c61eb480d..782df7da844 100644 --- a/drivers/clk/qcom/clock-sdm845.c +++ b/drivers/clk/qcom/clock-sdm845.c @@ -24,6 +24,7 @@ #define USB30_PRIM_MASTER_CLK_CMD_RCGR 0xf018 #define USB30_PRIM_MOCK_UTMI_CLK_CMD_RCGR 0xf030 #define USB3_PRIM_PHY_AUX_CMD_RCGR 0xf05c +#define SDCC2_APPS_CLK_CMD_RCGR 0x1400c static const struct freq_tbl ftbl_gcc_qupv3_wrap0_s0_clk_src[] = { F(7372800, CFG_CLK_SRC_GPLL0_EVEN, 1, 384, 15625), @@ -44,6 +45,17 @@ static const struct freq_tbl ftbl_gcc_qupv3_wrap0_s0_clk_src[] = { { } }; +static const struct freq_tbl ftbl_gcc_sdcc2_apps_clk_src[] = { + F(400000, CFG_CLK_SRC_CXO, 12, 1, 4), + F(9600000, CFG_CLK_SRC_CXO, 2, 0, 0), + F(19200000, CFG_CLK_SRC_CXO, 1, 0, 0), + F(25000000, CFG_CLK_SRC_GPLL0_EVEN, 12, 0, 0), + F(50000000, CFG_CLK_SRC_GPLL0_EVEN, 6, 0, 0), + F(100000000, CFG_CLK_SRC_GPLL0, 6, 0, 0), + F(201500000, CFG_CLK_SRC_GPLL4, 4, 0, 0), + { } +}; + static ulong sdm845_clk_set_rate(struct clk *clk, ulong rate) { struct msm_clk_priv *priv = dev_get_priv(clk->dev); @@ -55,6 +67,11 @@ static ulong sdm845_clk_set_rate(struct clk *clk, ulong rate) clk_rcg_set_rate_mnd(priv->base, SE9_UART_APPS_CMD_RCGR, freq->pre_div, freq->m, freq->n, freq->src, 16); return freq->freq; + case GCC_SDCC2_APPS_CLK: + freq = qcom_find_freq(ftbl_gcc_sdcc2_apps_clk_src, rate); + clk_rcg_set_rate_mnd(priv->base, SDCC2_APPS_CLK_CMD_RCGR, + freq->pre_div, freq->m, freq->n, freq->src, 8); + return freq->freq; default: return 0; } |